J T Cramer

Summary

Affiliation: University of Oklahoma
Country: USA

Publications

  1. pmc Minimal nutrition intervention with high-protein/low-carbohydrate and low-fat, nutrient-dense food supplement improves body composition and exercise benefits in overweight adults: A randomized controlled trial
    Christopher M Lockwood
    Metabolic and Body Composition Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    Nutr Metab (Lond) 5:11. 2008
  2. pmc Total body water estimations in healthy men and women using bioimpedance spectroscopy: a deuterium oxide comparison
    Jordan R Moon
    Metabolic and Body Composition Laboratories, Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA
    Nutr Metab (Lond) 5:7. 2008
  3. pmc Effects of beta-alanine supplementation and high-intensity interval training on endurance performance and body composition in men; a double-blind trial
    Abbie E Smith
    Metabolic and Body Composition Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    J Int Soc Sports Nutr 6:5. 2009
  4. pmc The effects of four weeks of creatine supplementation and high-intensity interval training on cardiorespiratory fitness: a randomized controlled trial
    Jennifer L Graef
    Department of Health and Exercise Science, University of Oklahoma, Huston Huffman Center, 1401 Asp Avenue, Norman, OK 73019, USA
    J Int Soc Sports Nutr 6:18. 2009
  5. pmc Percent body fat estimations in college women using field and laboratory methods: a three-compartment model approach
    Jordan R Moon
    Department of Health and Exercise Science, University of Oklahoma, Norman, USA
    J Int Soc Sports Nutr 4:16. 2007
  6. pmc Effects of creatine loading on electromyographic fatigue threshold during cycle ergometry in college-aged women
    Abbie E Smith
    Metabolic and Body Composition Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    J Int Soc Sports Nutr 4:20. 2007
  7. pmc Mechanomyographic amplitude and frequency responses during dynamic muscle actions: a comprehensive review
    Travis W Beck
    Department of Nutrition and Health Sciences, University of Nebraska Lincoln, NE 68583, USA
    Biomed Eng Online 4:67. 2005
  8. ncbi request reprint Acute effects of static stretching on maximal eccentric torque production in women
    Joel T Cramer
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma 73019, USA
    J Strength Cond Res 20:354-8. 2006
  9. pmc Acute effects of a thermogenic nutritional supplement on cycling time to exhaustion and muscular strength in college-aged men
    Ashley A Walter
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Int Soc Sports Nutr 6:15. 2009
  10. ncbi request reprint An acute bout of static stretching does not affect maximal eccentric isokinetic peak torque, the joint angle at peak torque, mean power, electromyography, or mechanomyography
    Joel T Cramer
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    J Orthop Sports Phys Ther 37:130-9. 2007

Collaborators

Detail Information

Publications92

  1. pmc Minimal nutrition intervention with high-protein/low-carbohydrate and low-fat, nutrient-dense food supplement improves body composition and exercise benefits in overweight adults: A randomized controlled trial
    Christopher M Lockwood
    Metabolic and Body Composition Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    Nutr Metab (Lond) 5:11. 2008
    ....
  2. pmc Total body water estimations in healthy men and women using bioimpedance spectroscopy: a deuterium oxide comparison
    Jordan R Moon
    Metabolic and Body Composition Laboratories, Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA
    Nutr Metab (Lond) 5:7. 2008
    ..The purpose of this study was to examine the validity of the SFB7 for estimating total body water in healthy college-age men and women compared to the 4000B and deuterium oxide (D2O)...
  3. pmc Effects of beta-alanine supplementation and high-intensity interval training on endurance performance and body composition in men; a double-blind trial
    Abbie E Smith
    Metabolic and Body Composition Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    J Int Soc Sports Nutr 6:5. 2009
    ....
  4. pmc The effects of four weeks of creatine supplementation and high-intensity interval training on cardiorespiratory fitness: a randomized controlled trial
    Jennifer L Graef
    Department of Health and Exercise Science, University of Oklahoma, Huston Huffman Center, 1401 Asp Avenue, Norman, OK 73019, USA
    J Int Soc Sports Nutr 6:18. 2009
    ....
  5. pmc Percent body fat estimations in college women using field and laboratory methods: a three-compartment model approach
    Jordan R Moon
    Department of Health and Exercise Science, University of Oklahoma, Norman, USA
    J Int Soc Sports Nutr 4:16. 2007
    ..abstract:..
  6. pmc Effects of creatine loading on electromyographic fatigue threshold during cycle ergometry in college-aged women
    Abbie E Smith
    Metabolic and Body Composition Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    J Int Soc Sports Nutr 4:20. 2007
    ..2 kg +/- 0.2 kg). These findings suggest that 5 days of Cr loading in women may be an effective strategy for delaying the onset of neuromuscular fatigue during cycle ergometry...
  7. pmc Mechanomyographic amplitude and frequency responses during dynamic muscle actions: a comprehensive review
    Travis W Beck
    Department of Nutrition and Health Sciences, University of Nebraska Lincoln, NE 68583, USA
    Biomed Eng Online 4:67. 2005
    ..Thus, it is important to investigate the unique applications of MMG amplitude and frequency responses with different experimental designs/methodologies to continually reassess the uses/limitations of MMG...
  8. ncbi request reprint Acute effects of static stretching on maximal eccentric torque production in women
    Joel T Cramer
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma 73019, USA
    J Strength Cond Res 20:354-8. 2006
    ..In conjunction with previous studies, these findings suggested that static stretching may affect torque production during concentric, but not eccentric, muscle actions...
  9. pmc Acute effects of a thermogenic nutritional supplement on cycling time to exhaustion and muscular strength in college-aged men
    Ashley A Walter
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Int Soc Sports Nutr 6:15. 2009
    ..The purpose of the present study was to examine the acute effects of a thermogenic nutritional supplement containing caffeine, capsaicin, bioperine, and niacin on muscular strength and endurance performance...
  10. ncbi request reprint An acute bout of static stretching does not affect maximal eccentric isokinetic peak torque, the joint angle at peak torque, mean power, electromyography, or mechanomyography
    Joel T Cramer
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    J Orthop Sports Phys Ther 37:130-9. 2007
    ..Repeated-measures experimental design...
  11. ncbi request reprint Acute effects of static stretching on characteristics of the isokinetic angle - torque relationship, surface electromyography, and mechanomyography
    Joel T Cramer
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    J Sports Sci 25:687-98. 2007
    ....
  12. ncbi request reprint Acute effects of passive stretching and vibration on the electromechanical delay and musculotendinous stiffness of the plantar flexors
    T J Herda
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    Electromyogr Clin Neurophysiol 50:277-88. 2010
    ....
  13. ncbi request reprint Effects of static stretching on the hamstrings-to-quadriceps ratio and electromyographic amplitude in men
    P B Costa
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA
    J Sports Med Phys Fitness 49:401-9. 2009
    ....
  14. ncbi request reprint Effects of creatine supplementation and three days of resistance training on muscle strength, power output, and neuromuscular function
    Joel T Cramer
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma 73019, USA
    J Strength Cond Res 21:668-77. 2007
    ....
  15. doi request reprint Dynamics of viscoelastic creep during repeated stretches
    E D Ryan
    Applied Musculoskeletal and Human Physiology Laboratory, Department of Health and Human Performance, Oklahoma State University, Stillwater, Oklahoma, USA
    Scand J Med Sci Sports 22:179-84. 2012
    ..These data indicate that the amount and rate of viscoelastic creep were similar during practical durations of constant-torque stretching despite no change in ankle joint position following three 30-s stretches...
  16. doi request reprint Reliability of absolute versus log-transformed regression models for examining the torque-related patterns of response for mechanomyographic amplitude
    Trent J Herda
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    J Neurosci Methods 179:240-6. 2009
    ..Thus, the log-transformed MMG(RMS) versus TQ relationships may offer an attractive alternative method for reliably quantifying and tracking changes in the TQ-related patterns of response for MMG(RMS) on a subject-by-subject basis...
  17. ncbi request reprint Effects of creatine loading on electromyographic fatigue threshold in cycle ergometry in college-age men
    Ashley A Walter
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA
    Int J Sport Nutr Exerc Metab 18:142-51. 2008
    ..In addition, a significant increase (p = .009) in weight was observed in the Cr group. These data suggest that there was a minimal influence of Cr loading on EMG FT for the participants in this study...
  18. doi request reprint An examination of innervation zone movement with increases in isometric torque production
    Jason M Defreitas
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK 73019, USA
    Clin Neurophysiol 119:2795-9. 2008
    ....
  19. doi request reprint Acute effects of passive stretching vs vibration on the neuromuscular function of the plantar flexors
    T J Herda
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma 73019 6081, USA
    Scand J Med Sci Sports 19:703-13. 2009
    ..e., gamma loop impairment) that may have been responsible for the strength losses. However, mechanical factors related to PROM and MTS cannot be ruled out as contributors to the stretching-induced force deficit...
  20. doi request reprint Reliability of mechanomyographic amplitude and mean power frequency during isometric step and ramp muscle actions
    Trent J Herda
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    J Neurosci Methods 171:104-9. 2008
    ..36 to 0.80, while the SEM (% of mean) ranged from 14.9 to 33.9% and 6.9 to18.9% for MMG RMS and MMG MPF, respectively. Thus, MMG RMS and MMG MPF demonstrated reliability that was comparable to that of the surface electromyographic signal...
  21. doi request reprint The consistency of ordinary least-squares and generalized least-squares polynomial regression on characterizing the mechanomyographic amplitude versus torque relationship
    Trent J Herda
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    Physiol Meas 30:115-28. 2009
    ..Future studies should examine alternative methods for improving the consistency and reliability of the patterns of response for the MMG(RMS) versus isometric torque relationship...
  22. ncbi request reprint Wavelet-based analysis of surface mechanomyographic signals from subjects with differences in myosin heavy chain isoform content
    T W Beck
    Department of Health and Exercise Science, Biophysics Laboratory, University of Oklahoma, Norman, Oklahoma 73019 6081, USA
    Electromyogr Clin Neurophysiol 49:167-75. 2009
    ..It is possible that factors such as the thicknesses of the subcutaneous adipose tissue and/or iliotibial band reduced the potential influence of differences in % MHC isoform content on the MMG signal...
  23. doi request reprint Effects of stretching on peak torque and the H:Q ratio
    P B Costa
    Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, United States
    Int J Sports Med 30:60-5. 2009
    ..47 +/- 0.04 and 0.44 +/- 0.03, respectively). Our findings suggested that despite the stretching-induced decreases in leg flexion PT, leg extension PT and the H : Q ratios were unaltered by the stretching...
  24. doi request reprint The effects of beta-alanine supplementation and high-intensity interval training on neuromuscular fatigue and muscle function
    Abbie E Smith
    Department of Health and Exercise Science, Metabolic and Body Composition Laboratory, University of Oklahoma, Norman, OK 73019, USA
    Eur J Appl Physiol 105:357-63. 2009
    ..In conclusion, HIIT appeared to be the primary stimulus effecting EMG(FT) or EEA, suggesting adaptations from HIIT may be more influential than increasing skeletal muscle carnosine levels on delaying fatigue in recreationally active men...
  25. doi request reprint Passive properties of the muscle-tendon unit: the influence of muscle cross-sectional area
    Eric D Ryan
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, HHC Room 12, Norman, Oklahoma 73019 6081, USA
    Muscle Nerve 39:227-9. 2009
    ..05; r = 0.765). Since passive stiffness and the ability to absorb passive energy decreases with many diseases, these findings may support the need to maintain or increase muscle CSA...
  26. ncbi request reprint Inter-individual variability among the mechanomyographic and electromyographic amplitude and mean power frequency responses during isometric ramp muscle actions
    E D Ryan
    Department of Health and Exercise Science, Biophysics Laboratory, University of Oklahoma, Norman, OK 73019, USA
    Electromyogr Clin Neurophysiol 47:161-73. 2007
    ..isometric torque relationships should be examined on a subject-by-subject and muscle-by-muscle basis during isometric ramp muscle actions...
  27. ncbi request reprint Effects of beta-alanine supplementation on the onset of neuromuscular fatigue and ventilatory threshold in women
    J R Stout
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    Amino Acids 32:381-6. 2007
    ..In conclusion, beta-alanine supplementation appears to improve submaximal cycle ergometry performance and TTE in young women, perhaps as a result of an increased buffering capacity due to elevated muscle carnosine concentrations...
  28. ncbi request reprint Effects of creatine supplementation on the onset of neuromuscular fatigue threshold and muscle strength in elderly men and women (64 - 86 years)
    J R Stout
    Department of Health and Exercise Science, University of Oklahoma, 115 Huston Huffman Center, 1401 Asp Ave, Norman, OK 73019, USA
    J Nutr Health Aging 11:459-64. 2007
    ..This study examined the effects of 14 days of creatine supplementation on the physical working capacity at fatigue threshold (PWCFT), maximal isometric grip strength (GRIP), sit-to-stand (STS), and body weight (BW) in elderly men and women...
  29. doi request reprint Acute effects of static versus dynamic stretching on isometric peak torque, electromyography, and mechanomyography of the biceps femoris muscle
    Trent J Herda
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 22:809-17. 2008
    ..Overall, an acute bout of dynamic stretching may be less detrimental to muscle strength than static stretching for the hamstrings...
  30. doi request reprint A comparison of techniques for estimating training-induced changes in muscle cross-sectional area
    Jason M Defreitas
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 24:2383-9. 2010
    ..It is the authors' hope that the present study will increase awareness among practitioners of these useful field methods for estimating training-induced changes in muscle CSA...
  31. doi request reprint Six weeks of high-intensity interval training with and without beta-alanine supplementation for improving cardiovascular fitness in women
    Ashley A Walter
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 24:1199-207. 2010
    ..Overall, these results suggested that HIIT may be an effective and time-efficient method of training to improve maximal oxygen uptake...
  32. doi request reprint Innervation zone location of the biceps brachii, a comparison between genders and correlation with anthropometric measurements
    Jason M Defreitas
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    J Electromyogr Kinesiol 20:76-80. 2010
    ..The shift in IZ location with changes in elbow joint angle was not, however, related to height, weight, or humerus length...
  33. doi request reprint The influence of electrode shift over the innervation zone and normalization on the electromyographic amplitude and mean power frequency versus isometric torque relationships for the vastus medialis muscle
    Travis W Beck
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, United States
    J Neurosci Methods 169:100-8. 2008
    ..Future studies should examine the potential for movement of the IZ during isometric muscle actions...
  34. doi request reprint An examination of the relationships among myosin heavy chain isoform content, isometric strength, and mechanomyographic median frequency
    Travis W Beck
    Department of Health and Exercise Science, Biophysics Laboratory, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 23:2683-8. 2009
    ..4%. These findings indicated that a simple, time-efficient, and noninvasive test that simultaneously measures isometric strength and MMG MDF could be useful for estimating the % MHC Type II isoform content in well-trained men...
  35. doi request reprint Effects of creatine monohydrate and polyethylene glycosylated creatine supplementation on muscular strength, endurance, and power output
    Trent J Herda
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 23:818-26. 2009
    ..Thus, PEG creatine may have ergogenic effects that are comparable to those of CM, but with a smaller dose of creatine...
  36. doi request reprint Electrode placement over the innervation zone affects the low-, not the high-frequency portion of the EMG frequency spectrum
    Travis W Beck
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, HHC Room 104, Norman, OK 73019 6081, United States
    J Electromyogr Kinesiol 19:660-6. 2009
    ..Thus, these findings indicated that electrode placement over the IZ affected primarily the low-, rather than the high-frequency portion of the EMG frequency spectrum...
  37. doi request reprint A wavelet-based analysis of surface mechanomyographic signals from the quadriceps femoris
    Travis W Beck
    Department of Health and Exercise Science, Biophysics Laboratory, University of Oklahoma, 1401 Asp Avenue, 110 Huston Huffman Center, Norman, Oklahoma 73019 6081, USA
    Muscle Nerve 39:355-63. 2009
    ....
  38. ncbi request reprint Time and frequency domain responses of the mechanomyogram and electromyogram during isometric ramp contractions: a comparison of the short-time Fourier and continuous wavelet transforms
    Eric D Ryan
    Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK 73019 6081, USA
    J Electromyogr Kinesiol 18:54-67. 2008
    ..In addition, although the STFT frequency patterns were more pronounced than the CWT, both algorithms produced similar time-frequency representations for tracking changes in MMG or EMG frequency...
  39. ncbi request reprint Inter-individual variability in the torque-related patterns of responses for mechanomyographic amplitude and mean power frequency
    Eric D Ryan
    Department of Health and Exercise Science, Biophysics Laboratory, University of Oklahoma, 1401 Asp Avenue, Norman, OK 73019 6081, USA
    J Neurosci Methods 161:212-9. 2007
    ..Therefore, future studies should examine the individual patterns of response to draw conclusions about motor control strategies...
  40. ncbi request reprint Acute effects of static stretching on peak torque and mean power output in National Collegiate Athletic Association Division I women's basketball players
    Alison D Egan
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    J Strength Cond Res 20:778-82. 2006
    ..In conjunction with previous studies, these findings suggested that trained athletes may be less susceptible to the stretching-induced force deficit than untrained, nonathletes...
  41. ncbi request reprint Effects of twenty-eight days of beta-alanine and creatine monohydrate supplementation on the physical working capacity at neuromuscular fatigue threshold
    Jeffrey R Stout
    Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA
    J Strength Cond Res 20:928-31. 2006
    ..CrBA groups (p > 0.05). These findings suggested that b-Ala supplementation may delay the onset of neuromuscular fatigue. Furthermore, there appeared to be no additive or unique effects of CrM vs. b-Ala alone on PWC(FT)...
  42. ncbi request reprint Effects of age and ACL reconstruction on quadriceps gamma loop function
    Michael S Richardson
    University of Oklahoma, Department of Health and Exercise Science, Neuromuscular Research Laboratory, 401 Asp Avenue, Norman, OK 73019, USA
    J Geriatr Phys Ther 29:28-34. 2006
    ..Appropriately applied vibration can affect the gamma loop by causing disruption of afferent feedback to a muscle and result in decreased force capabilities. We investigated the effect of age and ACL reconstruction on gamma loop function...
  43. doi request reprint A comparison of adaptive and notch filtering for removing electromagnetic noise from monopolar surface electromyographic signals
    Travis W Beck
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma 73019, USA
    Physiol Meas 30:353-61. 2009
    ..Thus, adaptive filtering may be the best method for removing electromagnetic noise from monopolar surface EMG signals...
  44. doi request reprint Validity of electromyographic fatigue threshold as a noninvasive method for tracking changes in ventilatory threshold in college-aged men
    Kristina L Kendall
    Metabolic and Body Composition Lab, Department of Health and Exercise Science, Huston Huffman Center, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 24:109-13. 2010
    ..However, the use of EMG(FT) to predict VT does not seem to be valid for tracking changes after 6 weeks of HIIT. At this time, it is not recommended that EMG(FT) be used to predict and track changes in VT...
  45. doi request reprint Effects of 6 weeks of periodized squat training with or without whole-body vibration on short-term adaptations in jump performance within recreationally resistance trained men
    Hugh S Lamont
    Neuromuscular Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 22:1882-93. 2008
    ..Baseline squat strength, resistance training experience, and amplitude, frequency, and duration of application of WBLFV seem to be important factors that need to be controlled for...
  46. ncbi request reprint Mechanomyographic amplitude and mean power frequency responses during isometric ramp vs. step muscle actions
    Eric D Ryan
    Department of Health and Exercise Science, Biophysics Laboratory, University of Oklahoma, Norman, OK 73019, USA
    J Neurosci Methods 168:293-305. 2008
    ..Overall, these findings indicated that the torque-related patterns of responses for MMG(RMS) and MMG(MPF) were different among subjects (i.e., inter-individual variability) and were muscle- (VL vs. RF) and mode-specific (ramp vs. step)...
  47. doi request reprint The time course of musculotendinous stiffness responses following different durations of passive stretching
    Eric D Ryan
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    J Orthop Sports Phys Ther 38:632-9. 2008
    ..Repeated-measures experimental design...
  48. doi request reprint Determining the minimum number of passive stretches necessary to alter musculotendinous stiffness
    Eric D Ryan
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma 73019 6081, USA
    J Sports Sci 27:957-61. 2009
    ..These findings suggest that two 30-s bouts of constant-torque passive stretching may be necessary to cause a significant decrease in musculotendinous stiffness of the plantar flexor muscles...
  49. doi request reprint Do practical durations of stretching alter muscle strength? A dose-response study
    Eric D Ryan
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019 6081, USA
    Med Sci Sports Exerc 40:1529-37. 2008
    ....
  50. doi request reprint Acute effects of passive stretching on the electromechanical delay and evoked twitch properties
    Pablo B Costa
    Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA
    Eur J Appl Physiol 108:301-10. 2010
    ..These results may help to explain the mechanisms underlying the stretching-induced force deficit that have been reported as either "mechanical" or "electrical" in origin...
  51. doi request reprint Low-calorie energy drink improves physiological response to exercise in previously sedentary men: a placebo-controlled efficacy and safety study
    Christopher M Lockwood
    Human Performance Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 24:2227-38. 2010
    ..However, when combined with exercise, preworkout energy drink consumption may significantly improve some physiological adaptations to combined aerobic and resistance training...
  52. doi request reprint Acute effects of a thermogenic nutritional supplement on energy expenditure and cardiovascular function at rest, during low-intensity exercise, and recovery from exercise
    Eric D Ryan
    Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 23:807-17. 2009
    ..These results suggested that the combination of thermogenic ingredients in this nutritional supplement may be useful to help maintain a negative caloric balance but may not influence substrate use or perceived exertion...
  53. doi request reprint The effects of creatine loading and gender on anaerobic running capacity
    David H Fukuda
    Metabolic and Body Composition Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA
    J Strength Cond Res 24:1826-33. 2010
    ..Creatine loading may be used before competition by athletes to provide improvements in high-intensity, short-duration activities...
  54. doi request reprint MMG-EMG cross spectrum and muscle fiber type
    T W Beck
    Department of Health and Exercise Science, University of Oklahoma, Huston Huffman Center, Norman, OK 73019 6081, United States
    Int J Sports Med 30:538-44. 2009
    ..Thus, the differences in fiber type characteristics were not manifested in the patterns of responses for MMG-EMG cross spectrum MPF...
  55. doi request reprint Physiological effects of caffeine, epigallocatechin-3-gallate, and exercise in overweight and obese women
    Abbie E Smith
    Department of Health and Exercise Science, University of Oklahoma, 1401 Asp Avenue, Norman, OK 73019, USA
    Appl Physiol Nutr Metab 35:607-16. 2010
    ..The current study suggests that implementing a caffeine-EGCG-containing drink prior to exercise may improve MM, fitness, and lipid profiles in overweight women...
  56. doi request reprint Anthropometric estimations of percent body fat in NCAA Division I female athletes: a 4-compartment model validation
    Jordan R Moon
    Metabolic and Body Composition Laboratories, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma 73019, USA
    J Strength Cond Res 23:1068-76. 2009
    ..Additionally, more than 3 skinfold sites did not improve %fat values. Therefore, the Jackson et al. sum of 3 skinfold equation is the suggested skinfold equation in the white female NCAA Division I athletes...
  57. doi request reprint Estimating body fat in NCAA Division I female athletes: a five-compartment model validation of laboratory methods
    Jordan R Moon
    Metabolic and Body Composition Laboratories, Department of Health and Exercise Science, University of Oklahoma, 115 Huston Huffman Center, 1401 Asp Ave, Norman, OK, 73019, USA
    Eur J Appl Physiol 105:119-30. 2009
    ....
  58. doi request reprint Total body water changes after an exercise intervention tracked using bioimpedance spectroscopy: a deuterium oxide comparison
    Jordan R Moon
    Metabolic and Body Composition Laboratories, University of Oklahoma, Norman, OK 73019, USA
    Clin Nutr 28:516-25. 2009
    ..The aim of the current study was to determine the validity of a BIS device (Imp SFB7) for tracking changes in overfat and obese individuals...
  59. doi request reprint Effects of four weeks of high-intensity interval training and creatine supplementation on critical power and anaerobic working capacity in college-aged men
    Kristina L Kendall
    Metabolic and Body Composition Laboratory, Department of Health and Exercise Science, University of Oklahoma, Huston Huffman Center, Norman, Oklahoma 73019, USA
    J Strength Cond Res 23:1663-9. 2009
    ..38%). Furthermore, no changes in AWC were observed in any of the groups after treatment. The current findings suggest that Cr supplementation may enhance the effects of intense interval endurance training on endurance performance changes...
  60. ncbi request reprint Gender, muscle, and velocity comparisons of mechanomyographic and electromyographic responses during isokinetic muscle actions
    Joel T Cramer
    Department of Health and Human Performance, Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, Lincoln, NE 68588 0229, USA
    Scand J Med Sci Sports 14:116-27. 2004
    ....
  61. ncbi request reprint Mechanomyographic amplitude and mean power frequency versus torque relationships during isokinetic and isometric muscle actions of the biceps brachii
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, 110 Ruth Leverton Hall, Lincoln, NE 68583 0806, USA
    J Electromyogr Kinesiol 14:555-64. 2004
    ..These findings suggested that the time and frequency domains of the MMG signal may be useful for describing the unique motor control strategies that modulate dynamic versus isometric torque production...
  62. ncbi request reprint The relationships among peak torque, mean power output, mechanomyography, and electromyography in men and women during maximal, eccentric isokinetic muscle actions
    Joel T Cramer
    Department of Health and Human Performance, Centre for Youth Fitness and Sports Research, University of Nebraska Lincoln, 68588 0229, USA
    Eur J Appl Physiol 86:226-32. 2002
    ..During maximal, eccentric isokinetic muscle actions, EMG and MMG signals provided unique information regarding the electrical and mechanical aspects of muscle strength and power...
  63. ncbi request reprint MMG and EMG responses during fatiguing isokinetic muscle contractions at different velocities
    Sharon R Perry-Rana
    School of Recreation and Sport Sciences, College of Health and Human Services, Ohio University, Grover E175, Athens, OH 45701, USA
    Muscle Nerve 26:367-73. 2002
    ..Therefore, MMG amplitude may be clinically useful for detecting abnormal force contributions of individual muscles during dynamic contractions, and determining whether various treatments are successful at correcting such abnormalities...
  64. ncbi request reprint Acute effects of static stretching on peak torque in women
    Joel T Cramer
    Department of Health and Human Performance, Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, Lincoln, Nebraska 68588, USA
    J Strength Cond Res 18:236-41. 2004
    ..Future studies are needed to identify the underlying mechanisms that influence the time course of stretching-induced decreases in maximal force production for athletes and nonathletes across the age span...
  65. ncbi request reprint Mechanomyographic and electromyographic time and frequency domain responses during submaximal to maximal isokinetic muscle actions of the biceps brachii
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, Lincoln, NE 68588 0229, USA
    Eur J Appl Physiol 92:352-9. 2004
    ..Furthermore, the results indicated that dynamic muscle actions can be used when applying techniques that require a linear EMG amplitude versus torque relationship...
  66. ncbi request reprint Mechanomyographic and electromyographic responses to unilateral isometric training
    Kyle T Ebersole
    Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, Lincoln, Nebraska 68588, USA
    J Strength Cond Res 16:192-201. 2002
    ..Furthermore, hypertrophy may have had counteractive effects on the MMG signal that could be responsible for the lack of a training-induced change in the MMG amplitude...
  67. ncbi request reprint Comparison of Fourier and wavelet transform procedures for examining the mechanomyographic and electromyographic frequency domain responses during fatiguing isokinetic muscle actions of the biceps brachii
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, 104K Ruth Leverton Hall, Lincoln, NE 68588 0229, USA
    J Electromyogr Kinesiol 15:190-9. 2005
    ....
  68. ncbi request reprint Power output, mechanomyographic, and electromyographic responses to maximal, concentric, isokinetic muscle actions in men and women
    Joel T Cramer
    Department of Health and Human Performance, University of Nebraska Lincoln, Lincoln 68588, USA
    J Strength Cond Res 16:399-408. 2002
    ..With additional examination and validation, however, MMG may prove useful to practitioners for monitoring training-induced changes in muscle power output...
  69. ncbi request reprint Neuromuscular responses to three days of velocity-specific isokinetic training
    Jared W Coburn
    Department of Kinesiology, California State University Fullerton, Fullerton, CA 92834, USA
    J Strength Cond Res 20:892-8. 2006
    ....
  70. ncbi request reprint MMG and EMG responses during 25 maximal, eccentric, isokinetic muscle actions
    Sharon R Perry-Rana
    Ohio University, College of Health and Human Services, School of Recreation and Sport Sciences, Athens 45701, USA
    Med Sci Sports Exerc 35:2048-54. 2003
    ....
  71. ncbi request reprint A proposed test for determining physical working capacity at the oxygen consumption threshold (PWCVO2)
    Joshua M Miller
    Department of Health and Human Performance, University of Nebraska Lincoln, 68506, USA
    J Strength Cond Res 18:618-24. 2004
    ....
  72. ncbi request reprint Mechanomyographic and electromyographic responses to eccentric muscle contractions
    Jared W Coburn
    Department of Kinesiology, California State University, Fullerton, 800 N State College Blvd, KHS 235, Fullerton, California 92834 6870, USA
    Muscle Nerve 33:664-71. 2006
    ..These results suggested that eccentric torque is primarily modulated through changes in motor unit firing rate...
  73. doi request reprint The influence of myosin heavy chain isoform composition and training status on the patterns of responses for mechanomyographic amplitude versus isometric torque
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska, Lincoln, Nebraska, USA
    J Strength Cond Res 22:818-25. 2008
    ..Thus, differences in MHC isoform composition and training status did not explain the unique torque-related patterns for MMG amplitude...
  74. ncbi request reprint Effects of leucine and whey protein supplementation during eight weeks of unilateral resistance training
    Jared W Coburn
    Department of Kinesiology, California State University, Fullerton, Fullerton, California 92834, USA
    J Strength Cond Res 20:284-91. 2006
    ..The current findings suggest that leucine and whey protein supplementation may provide an ergogenic effect which enhances the acquisition of strength beyond that achieved with resistance training and a carbohydrate placebo...
  75. ncbi request reprint Effects of a drink containing creatine, amino acids, and protein combined with ten weeks of resistance training on body composition, strength, and anaerobic performance
    Travis W Beck
    Department of Nutrition and Health Sciences, University of Nebraska Lincoln, 68588, USA
    J Strength Cond Res 21:100-4. 2007
    ..The TEST drink was, however, more effective than carbohydrates alone for improving anaerobic power production...
  76. ncbi request reprint The effects of electrode placement and innervation zone location on the electromyographic amplitude and mean power frequency versus isometric torque relationships for the vastus lateralis muscle
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, 104K Ruth Leverton Hall, University of Nebraska Lincoln, Lincoln, NE 68583, USA
    J Electromyogr Kinesiol 18:317-28. 2008
    ..In addition, absolute and relative (to femur length) estimates of IZ location for the VL resulted in similar inter-subject variability...
  77. ncbi request reprint The effects of the innervation zone and interelectrode distance on the patterns of responses for electromyographic amplitude and mean power frequency versus isometric torque for the vastus lateralis muscle
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, Lincoln, NE 68583 0806, USA
    Electromyogr Clin Neurophysiol 48:13-25. 2008
    ..Thus, these findings supported normalization, and indicated that it is useful for reducing the influences of the IZ and differences in IED on absolute EMG amplitude and MPF data...
  78. ncbi request reprint The effect of the estimated innervation zone on EMG amplitude and center frequency
    Travis W Beck
    Human Performance Laboratory, Department of Nutrition and Health Sciences, University of Nebraska Lincoln, Lincoln, NE 68583 0806, USA
    Med Sci Sports Exerc 39:1282-90. 2007
    ....
  79. ncbi request reprint A comparison of monopolar and bipolar recording techniques for examining the patterns of responses for electromyographic amplitude and mean power frequency versus isometric torque for the vastus lateralis muscle
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, Lincoln, NE 68588 0229, USA
    J Neurosci Methods 166:159-67. 2007
    ....
  80. ncbi request reprint Effects of two days of isokinetic training on strength and electromyographic amplitude in the agonist and antagonist muscles
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, Lincoln, Nebraska 68583, USA
    J Strength Cond Res 21:757-62. 2007
    ..These results may have implications for the number of visits that are required for rehabilitation after injury, surgery, or both...
  81. ncbi request reprint An examination of the Runs Test, Reverse Arrangements Test, and modified Reverse Arrangements Test for assessing surface EMG signal stationarity
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, Lincoln, NE 68583 0806, USA
    J Neurosci Methods 156:242-8. 2006
    ..Thus, the Runs Test, Reverse Arrangements Test, and modified Reverse Arrangements Test may not be appropriate for assessing stationarity in surface EMG signals...
  82. ncbi request reprint Mechanomyographic and electromyographic responses during submaximal to maximal eccentric isokinetic muscle actions of the biceps brachii
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, 68588, USA
    J Strength Cond Res 20:184-91. 2006
    ..These findings contribute to current knowledge of motor-control strategies during eccentric isokinetic muscle actions and could be useful in the design of training programs...
  83. ncbi request reprint Does the frequency content of the surface mechanomyographic signal reflect motor unit firing rates? A brief review
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, 104K Ruth Leverton Hall, Lincoln, NE 68583 0806, United States
    J Electromyogr Kinesiol 17:1-13. 2007
    ..It is likely, however, that this information is qualitative, rather than quantitative in nature, and reflects the global motor unit firing rate, rather than the firing rates of a particular group of motor units...
  84. ncbi request reprint Mechanomyographic responses of the vastus medialis to isometric and eccentric muscle actions
    Jared W Coburn
    Department of Nutrition and Health Sciences, University of Nebraska Lincoln, Lincoln, NE 68583 0806, USA
    Med Sci Sports Exerc 36:1916-22. 2004
    ..Therefore, the purpose of this study was to examine the MMG amplitude and mean power frequency (MPF) versus torque relationships during isometric and eccentric isokinetic muscle actions...
  85. ncbi request reprint Mechanomyographic and electromyographic responses of the vastus medialis muscle during isometric and concentric muscle actions
    Jared W Coburn
    University of Nebraska Lincoln, Lincoln, Nebraska 68583, USA
    J Strength Cond Res 19:412-20. 2005
    ..These results support the findings of others and suggest that isometric torque production was modulated by a combination of recruitment and firing rate, whereas dynamic torque production was modulated primarily through recruitment...
  86. ncbi request reprint The effects of interelectrode distance on electromyographic amplitude and mean power frequency during isokinetic and isometric muscle actions of the biceps brachii
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, Lincoln, NE 68588 0229, USA
    J Electromyogr Kinesiol 15:482-95. 2005
    ..Thus, normalized EMG data can be compared among previous studies that have utilized different IED arrangements...
  87. ncbi request reprint Comparison of the fast Fourier transform and continuous wavelet transform for examining mechanomyographic frequency versus eccentric torque relationships
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, 104K Ruth Leverton Hall, University of Nebraska at Lincoln, Lincoln, NE 68588 0229, USA
    J Neurosci Methods 150:59-66. 2006
    ..These results suggested that Fourier or wavelet transform procedures can be used to examine the patterns of MMG responses during eccentric muscle actions of the biceps brachii...
  88. ncbi request reprint Gender comparisons of mechanomyographic amplitude and mean power frequency versus isometric torque relationships
    Travis W Beck
    Dept of Nutrition and Health Sciences, University of Nebraska Lincoln, 68588, USA
    J Appl Biomech 21:96-109. 2005
    ....
  89. ncbi request reprint Comparison of a piezoelectric contact sensor and an accelerometer for examining mechanomyographic amplitude and mean power frequency versus torque relationships during isokinetic and isometric muscle actions of the biceps brachii
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, Center for Youth Fitness and Sports Research, University of Nebraska Lincoln, Lincoln, NE 68588 0229, USA
    J Electromyogr Kinesiol 16:324-35. 2006
    ....
  90. ncbi request reprint Electromyographic instantaneous amplitude and instantaneous mean power frequency patterns across a range of motion during a concentric isokinetic muscle action of the biceps brachii
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, Lincoln, NE 68583 0806, USA
    J Electromyogr Kinesiol 16:531-9. 2006
    ....
  91. doi request reprint Effect of diathermy on muscle temperature, electromyography, and mechanomyography
    Sarah M Mitchell
    Athletic Training Education, Texas A and M University Commerce, Commerce, Texas, USA
    Muscle Nerve 38:992-1004. 2008
    ..05). There were no changes in MVC torque, EMG amplitude, or IMF. Diathermy treatments may decrease musculotendinous stiffness, but not absolute strength or motor control strategies that influence force production...
  92. ncbi request reprint The influence of electrode placement over the innervation zone on electromyographic amplitude and mean power frequency versus isokinetic torque relationships
    Travis W Beck
    Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska Lincoln, Lincoln, NE 68588 0229, USA
    J Neurosci Methods 162:72-83. 2007
    ....