Minoru Shinohara

Summary

Affiliation: Georgia Institute of Technology
Country: USA

Publications

  1. ncbi Adaptations in motor unit behavior in elderly adults
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, Atlanta, GA 30332 0356, USA
    Curr Aging Sci 4:200-8. 2011
  2. ncbi Alterations in synergistic muscle activation impact fluctuations in net force
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, 281 Ferst Drive, Atlanta, GA 30332 0356, USA
    Med Sci Sports Exerc 41:191-7. 2009
  3. ncbi Fluctuations in motor output of a hand muscle can be altered by the mechanical properties of the position sensor
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado at Boulder, USA
    J Neurosci Methods 168:164-73. 2008
  4. ncbi Real-time visualization of muscle stiffness distribution with ultrasound shear wave imaging during muscle contraction
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, Atlanta, Georgia 30332 0356, USA
    Muscle Nerve 42:438-41. 2010
  5. ncbi Muscle activation strategies in multiple muscle systems
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, 281 Ferst Drive, Atlanta, GA 30332 0356, USA
    Med Sci Sports Exerc 41:181-3. 2009
  6. ncbi Fluctuations in motor output during steady contractions are weakly related across contraction types and between hands
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado, 354 UCB, Boulder, Colorado 80309 0354, USA
    Muscle Nerve 31:741-50. 2005
  7. ncbi Muscle activation and time to task failure differ with load type and contraction intensity for a human hand muscle
    Katrina S Maluf
    Department of Integrative Physiology, University of Colorado, Boulder, 80309 0354, USA
    Exp Brain Res 167:165-77. 2005
  8. ncbi Contralateral activity in a homologous hand muscle during voluntary contractions is greater in old adults
    Minoru Shinohara
    Department of Kinesiology and Applied Physiology, University of Colorado at Boulder, Boulder, Colorado 80309-0354, USA
    J Appl Physiol 94:966-74. 2003
  9. ncbi The medial gastrocnemius muscle attenuates force fluctuations during plantar flexion
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado, Clare Room 114, 354 UCB, Boulder, 80309 0354, USA
    Exp Brain Res 169:15-23. 2006
  10. ncbi Feature subset selection for age-related changes in EEG and EMG during motor tasks
    Ashley N Johnson
    Department of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30332 0250, USA
    Conf Proc IEEE Eng Med Biol Soc 2010:3285-8. 2010

Detail Information

Publications32

  1. ncbi Adaptations in motor unit behavior in elderly adults
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, Atlanta, GA 30332 0356, USA
    Curr Aging Sci 4:200-8. 2011
    ..By considering studies on disuse in young adults and training in elderly adults, future research directions are proposed to help resolve the problems...
  2. ncbi Alterations in synergistic muscle activation impact fluctuations in net force
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, 281 Ferst Drive, Atlanta, GA 30332 0356, USA
    Med Sci Sports Exerc 41:191-7. 2009
    ..In summary, the fluctuations in net force were influenced by the alteration in muscle activity among agonist muscles in terms of relative contributions to net force and frequency characteristics...
  3. ncbi Fluctuations in motor output of a hand muscle can be altered by the mechanical properties of the position sensor
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado at Boulder, USA
    J Neurosci Methods 168:164-73. 2008
    ..The results provide baseline measures of the fluctuations in motor output during steady contractions with a hand muscle and how the method used to detect displacement alters these measures...
  4. ncbi Real-time visualization of muscle stiffness distribution with ultrasound shear wave imaging during muscle contraction
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, Atlanta, Georgia 30332 0356, USA
    Muscle Nerve 42:438-41. 2010
    ..This technique may assist clinicians in characterizing muscle injuries or neuromuscular disorders...
  5. ncbi Muscle activation strategies in multiple muscle systems
    Minoru Shinohara
    School of Applied Physiology, Georgia Institute of Technology, 281 Ferst Drive, Atlanta, GA 30332 0356, USA
    Med Sci Sports Exerc 41:181-3. 2009
    ..The relevance of these factors to muscle activation strategy in multiple muscle systems is introduced...
  6. ncbi Fluctuations in motor output during steady contractions are weakly related across contraction types and between hands
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado, 354 UCB, Boulder, Colorado 80309 0354, USA
    Muscle Nerve 31:741-50. 2005
    ..Because the activity in a motor unit population differed across contraction types and hands during steady contractions, the central nervous system likely employed distinct strategies to accomplish these different tasks...
  7. ncbi Muscle activation and time to task failure differ with load type and contraction intensity for a human hand muscle
    Katrina S Maluf
    Department of Integrative Physiology, University of Colorado, Boulder, 80309 0354, USA
    Exp Brain Res 167:165-77. 2005
    ..We propose that the briefer time to failure for the position task during sustained, low-intensity contractions is due to earlier recruitment of the motor unit pool...
  8. ncbi Contralateral activity in a homologous hand muscle during voluntary contractions is greater in old adults
    Minoru Shinohara
    Department of Kinesiology and Applied Physiology, University of Colorado at Boulder, Boulder, Colorado 80309-0354, USA
    J Appl Physiol 94:966-74. 2003
    ..The results indicate that old subjects have a reduced ability to suppress unintended contralateral activity during the performance of goal-directed, unilateral tasks...
  9. ncbi The medial gastrocnemius muscle attenuates force fluctuations during plantar flexion
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado, Clare Room 114, 354 UCB, Boulder, 80309 0354, USA
    Exp Brain Res 169:15-23. 2006
    ..These results indicate that force fluctuations during plantar flexion are attenuated with greater involvement of the medial gastrocnemius muscle...
  10. ncbi Feature subset selection for age-related changes in EEG and EMG during motor tasks
    Ashley N Johnson
    Department of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30332 0250, USA
    Conf Proc IEEE Eng Med Biol Soc 2010:3285-8. 2010
    ..In addition, time domain features were primarily selected over frequency domain features. Validation of the selected subset suggests the approach is appropriate for future investigation...
  11. ncbi Individual muscle control using an exoskeleton robot for muscle function testing
    Jun Ueda
    George W Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332, USA
    IEEE Trans Neural Syst Rehabil Eng 18:339-50. 2010
    ..Simulation and experimental results in healthy individuals justify the use of an exoskeleton robot for future muscle function testing in terms of the variety of muscle activity data...
  12. ncbi Attenuation of corticomuscular coherence with additional motor or non-motor task
    Ashley N Johnson
    School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA
    Clin Neurophysiol 122:356-63. 2011
    ..Additionally, we examined the potential associations between corticomuscular coherence and fine motor performance...
  13. ncbi Mechanomyography for studying force fluctuations and muscle fatigue
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado, Boulder, Colorado 80309 0354, USA
    Exerc Sport Sci Rev 34:59-64. 2006
    ....
  14. ncbi Finger interaction during accurate multi-finger force production tasks in young and elderly persons
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado, CO 80309, Boulder, USA
    Exp Brain Res 156:282-92. 2004
    ..This general result underscores the importance of efforts to analyze motor coordination using control rather than performance variables...
  15. ncbi Effects of prolonged vibration on motor unit activity and motor performance
    Minoru Shinohara
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309 0354, USA
    Med Sci Sports Exerc 37:2120-5. 2005
    ..In summary, prolonged vibration modulates Ia feedback and motor unit activity, which leads to reduced peak force during maximal contractions and altered force fluctuations during submaximal contractions...
  16. ncbi Dual-task motor performance with a tongue-operated assistive technology compared with hand operations
    Ashley N Johnson
    School of Applied Physiology, Georgia Institute of Technology, Atlanta, GA, USA
    J Neuroeng Rehabil 9:1. 2012
    ..The purpose of the study was to compare the influence of a concurrent motor or cognitive task on various aspects of simple movement control between hand and tongue using the TDS technology...
  17. ncbi Effects of additional workload on hand and tongue performance
    Ashley N Johnson
    School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA 30332 0250, USA
    Conf Proc IEEE Eng Med Biol Soc 2010:6611-4. 2010
    ....
  18. ncbi Prolonged muscle vibration increases stretch reflex amplitude, motor unit discharge rate, and force fluctuations in a hand muscle
    Minoru Shinohara
    Dept of Integrative Physiology, Univ of Colorado, Boulder, CO 80309 0354, USA
    J Appl Physiol 99:1835-42. 2005
    ..These adjustments were necessary to achieve the target force due to the vibration-induced decrease in the force capacity of the muscle...
  19. ncbi Fluctuations in acceleration during voluntary contractions lead to greater impairment of movement accuracy in old adults
    Evangelos A Christou
    Department of Kinesiology and Applied Physiology, University of Colorado, Boulder, CO 80309 0354, USA
    J Appl Physiol 95:373-84. 2003
    ....
  20. ncbi Laser-detected lateral muscle displacement is correlated with force fluctuations during voluntary contractions in humans
    Yasuhide Yoshitake
    Department of Health Sciences, Oita University of Nursing and Health Sciences, Oita, Japan
    J Neurosci Methods 173:271-8. 2008
    ..In conclusion, laser-detected lateral displacement of a hand muscle is correlated with force fluctuations across a wide range of contraction intensity during steady voluntary contractions in humans...
  21. ncbi Learning multi-finger synergies: an uncontrolled manifold analysis
    Ning Kang
    Department of Kinesiology, The Pennsylvania State University, Rec. Hall--267L, University Park, PA 16802, USA
    Exp Brain Res 157:336-50. 2004
    ..The approach can be used to test whether new synergies emerge in the process of practice...
  22. ncbi Modulation of muscle activity and force fluctuations in the plantarflexors after bedrest depends on knee position
    Yasuhide Yoshitake
    Department of Health Sciences, Oita University of Nursing and Health Sciences, Oita, Japan
    Muscle Nerve 35:745-55. 2007
    ....
  23. ncbi Force fluctuations are modulated by alternate muscle activity of knee extensor synergists during low-level sustained contraction
    Motoki Kouzaki
    Laboratory of Sports Sciences, Dept of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3 8 1 Komaba, Meguro, Tokyo 153 8902, Japan
    J Appl Physiol 97:2121-31. 2004
    ..It is suggested that modulations in knee extension force fluctuations are caused by the unique muscle activity in RF during the alternate muscle activity, which augments the high-frequency component of the fluctuations...
  24. ncbi Fluctuations in plantar flexion force are reduced after prolonged tendon vibration
    Yasuhide Yoshitake
    Department of Life Sciences, The University of Tokyo, Tokyo 153, Japan
    J Appl Physiol 97:2090-7. 2004
    ..It suggests that Ia afferent inputs contribute to the low-frequency force fluctuations in plantar flexion...
  25. ncbi Characteristics of surface mechanomyogram are dependent on development of fusion of motor units in humans
    Yasuhide Yoshitake
    Laboratory of Applied Physiology, Graduate School of Human and Environmental Studies, Kyoto University, Sakyo ku, Kyoto 606 8501, Japan
    J Appl Physiol 93:1744-52. 2002
    ....
  26. ncbi Effects of age and gender on finger coordination in MVC and submaximal force-matching tasks
    Minoru Shinohara
    Department of Kinesiology, The Pennsylvania State University, University Park 16802, USA
    J Appl Physiol 94:259-70. 2003
    ..These findings suggest that indexes of finger coordination scale with force-generating capabilities across gender and age groups...
  27. ncbi Local blood circulation among knee extensor synergists in relation to alternate muscle activity during low-level sustained contraction
    Motoki Kouzaki
    Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo 153 8902, Japan
    J Appl Physiol 95:49-56. 2003
    ....
  28. ncbi Age effects on force produced by intrinsic and extrinsic hand muscles and finger interaction during MVC tasks
    Minoru Shinohara
    Rec. Hall, 267L, Dept. of Kinesiology, The Pennsylvania State University, University Park, PA 16802, USA
    J Appl Physiol 95:1361-9. 2003
    ..The greater indexes of finger interaction in PP tests with greater involvement of intrinsic hand muscles suggest that the finger interactions are predominantly of a central origin across ages and genders...
  29. ncbi Strength training counteracts motor performance losses during bed rest
    Minoru Shinohara
    Dept of Integrative Physiology, Univ of Colorado, Boulder, CO 80309 0354, USA
    J Appl Physiol 95:1485-92. 2003
    ..The response varied across muscle groups. Alterations in muscle activation may lead to an increase in fluctuations in motor output after bed rest...
  30. ncbi Response to the letter of Quaresima and Ferrari "More on the use of near-infrared spectroscopy to measure muscle oxygenation in humans"
    Minoru Shinohara
    Eur J Appl Physiol 90:226-7. 2003
  31. ncbi The frequency of alternate muscle activity is associated with the attenuation in muscle fatigue
    Motoki Kouzaki
    Dept of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Meguro, Tokyo 153 8902, Japan
    J Appl Physiol 101:715-20. 2006
    ..The results demonstrate that subjects with more frequent alternate muscle activity experience less muscle fatigue. We conclude that the alternate muscle activity between synergist muscles attenuates muscle fatigue...
  32. ncbi Alternate muscle activity observed between knee extensor synergists during low-level sustained contractions
    Motoki Kouzaki
    Laboratory of Sports Sciences, Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Tokyo, 153 8902, Japan
    J Appl Physiol 93:675-84. 2002
    ..0% of mvc...