J Troy Blackburn

Summary

Affiliation: University of North Carolina
Country: USA

Publications

  1. doi request reprint The effects of isometric and isotonic training on hamstring stiffness and anterior cruciate ligament loading mechanisms
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina, Chapel Hill, NC, USA Electronic address
    J Electromyogr Kinesiol 24:98-103. 2014
  2. doi request reprint Geometric and architectural contributions to hamstring musculotendinous stiffness
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina, Chapel Hill, NC, USA Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA Department of Orthopaedics, University of North Carolina, Chapel Hill, NC, USA Program in Human Movement Science, University of North Carolina, Chapel Hill, NC, USA Electronic address
    Clin Biomech (Bristol, Avon) 29:105-10. 2014
  3. ncbi request reprint Kinematic analysis of the hip and trunk during bilateral stance on firm, foam, and multiaxial support surfaces
    J Troy Blackburn
    Neuromuscular Research Laboratory, Musculoskeletal Research Center, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
    Clin Biomech (Bristol, Avon) 18:655-61. 2003
  4. doi request reprint Influences of hamstring stiffness and strength on anterior knee joint stability
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina at Chapel Hill, NC 27599 8700, USA
    Clin Biomech (Bristol, Avon) 26:278-83. 2011
  5. pmc Sagittal-plane trunk position, landing forces, and quadriceps electromyographic activity
    J Troy Blackburn
    The University of North Carolina, Chapel Hill, NC 27599 8605, USA
    J Athl Train 44:174-9. 2009
  6. doi request reprint Sex comparison of hamstring structural and material properties
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina at Chapel Hill, 124 Fetzer, CB 8700, Chapel Hill, NC 27599 8700, USA
    Clin Biomech (Bristol, Avon) 24:65-70. 2009
  7. doi request reprint Comparison of hamstring neuromechanical properties between healthy males and females and the influence of musculotendinous stiffness
    J Troy Blackburn
    Neuromuscular Research Laboratory, The University of North Carolina at Chapel Hill, 124 Fetzer, CB 8700, Chapel Hill, NC 27599 8700, United States
    J Electromyogr Kinesiol 19:e362-9. 2009
  8. pmc Muscle stiffness and spinal stretch reflex sensitivity in the triceps surae
    J Troy Blackburn
    University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 8605, USA
    J Athl Train 43:29-36. 2008
  9. ncbi request reprint Influence of trunk flexion on hip and knee joint kinematics during a controlled drop landing
    J Troy Blackburn
    Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC 27599 8605, USA
    Clin Biomech (Bristol, Avon) 23:313-9. 2008
  10. ncbi request reprint Sex comparison of extensibility, passive, and active stiffness of the knee flexors
    J Troy Blackburn
    Sports Medicine Research Laboratory, University of North Carolina at Chapel Hill, 06 Fetzer, CB 8700, Chapel Hill, NC 27599, USA
    Clin Biomech (Bristol, Avon) 19:36-43. 2004

Collaborators

Detail Information

Publications31

  1. doi request reprint The effects of isometric and isotonic training on hamstring stiffness and anterior cruciate ligament loading mechanisms
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina, Chapel Hill, NC, USA Electronic address
    J Electromyogr Kinesiol 24:98-103. 2014
    ..Future research using larger sample sizes and longer interventions is necessary to determine the effects of enhancing hamstring stiffness on ACL loading and injury risk...
  2. doi request reprint Geometric and architectural contributions to hamstring musculotendinous stiffness
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina, Chapel Hill, NC, USA Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC, USA Department of Orthopaedics, University of North Carolina, Chapel Hill, NC, USA Program in Human Movement Science, University of North Carolina, Chapel Hill, NC, USA Electronic address
    Clin Biomech (Bristol, Avon) 29:105-10. 2014
    ..The purpose of this investigation was to evaluate the contributions of geometric and architectural muscle characteristics to hamstring stiffness...
  3. ncbi request reprint Kinematic analysis of the hip and trunk during bilateral stance on firm, foam, and multiaxial support surfaces
    J Troy Blackburn
    Neuromuscular Research Laboratory, Musculoskeletal Research Center, Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
    Clin Biomech (Bristol, Avon) 18:655-61. 2003
    ..To differentiate hip and trunk motion during double-leg stance...
  4. doi request reprint Influences of hamstring stiffness and strength on anterior knee joint stability
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina at Chapel Hill, NC 27599 8700, USA
    Clin Biomech (Bristol, Avon) 26:278-83. 2011
    ..Stiffness quantifies a muscle's resistance to lengthening, and stiffer hamstrings may resist changes in length induced by anterior tibial translation more effectively...
  5. pmc Sagittal-plane trunk position, landing forces, and quadriceps electromyographic activity
    J Troy Blackburn
    The University of North Carolina, Chapel Hill, NC 27599 8605, USA
    J Athl Train 44:174-9. 2009
    ..The influence of knee kinematics on these risk factors has been investigated extensively, but trunk positioning has received little attention...
  6. doi request reprint Sex comparison of hamstring structural and material properties
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina at Chapel Hill, 124 Fetzer, CB 8700, Chapel Hill, NC 27599 8700, USA
    Clin Biomech (Bristol, Avon) 24:65-70. 2009
    ..It was hypothesized that hamstring stiffness, stress, strain, and elastic modulus would be greater in males than in females, and that hamstring stiffness would be positively correlated with muscle size...
  7. doi request reprint Comparison of hamstring neuromechanical properties between healthy males and females and the influence of musculotendinous stiffness
    J Troy Blackburn
    Neuromuscular Research Laboratory, The University of North Carolina at Chapel Hill, 124 Fetzer, CB 8700, Chapel Hill, NC 27599 8700, United States
    J Electromyogr Kinesiol 19:e362-9. 2009
    ..However, future research is necessary to determine the direct influences of MTS and neuromechanical function on dynamic knee joint stability and ACL injury risk...
  8. pmc Muscle stiffness and spinal stretch reflex sensitivity in the triceps surae
    J Troy Blackburn
    University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 8605, USA
    J Athl Train 43:29-36. 2008
    ..This heightened sensitivity would correspond with a shorter latency and higher-amplitude reflex response, potentially enhancing joint stability...
  9. ncbi request reprint Influence of trunk flexion on hip and knee joint kinematics during a controlled drop landing
    J Troy Blackburn
    Department of Exercise and Sport Science, University of North Carolina, Chapel Hill, NC 27599 8605, USA
    Clin Biomech (Bristol, Avon) 23:313-9. 2008
    ..Identification of a modifiable factor (e.g. trunk flexion) which positively influences kinematics of multiple lower extremity joints would be invaluable for anterior cruciate ligament injury prevention efforts...
  10. ncbi request reprint Sex comparison of extensibility, passive, and active stiffness of the knee flexors
    J Troy Blackburn
    Sports Medicine Research Laboratory, University of North Carolina at Chapel Hill, 06 Fetzer, CB 8700, Chapel Hill, NC 27599, USA
    Clin Biomech (Bristol, Avon) 19:36-43. 2004
    ..To compare extensibility, and passive and active stiffness of the knee flexors between males and females...
  11. pmc The effects of stochastic resonance electrical stimulation and neoprene sleeve on knee proprioception
    Amber T Collins
    Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA
    J Orthop Surg Res 4:3. 2009
    ..abstract:..
  12. pmc Enhanced balance associated with coordination training with stochastic resonance stimulation in subjects with functional ankle instability: an experimental trial
    Scott E Ross
    Department of Health and Human Performance, Virginia Commonwealth University, Richmond, VA, USA
    J Neuroeng Rehabil 4:47. 2007
    ..Improving postural instabilities associated with FAI has implications for increasing ankle joint stability and decreasing recurrent ankle sprains...
  13. doi request reprint The assessment of postural control with stochastic resonance electrical stimulation and a neoprene knee sleeve in the osteoarthritic knee
    Amber T Collins
    Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA
    Arch Phys Med Rehabil 93:1123-8. 2012
    ....
  14. doi request reprint Head impact biomechanics in youth hockey: comparisons across playing position, event types, and impact locations
    Jason P Mihalik
    Matthew A Gfeller Sport Related Traumatic Brain Injury Research Center, Department of Exercise and Sport Science, University of North Carolina, 2207 Stallings Evans Sports Medicine Complex, Campus Box 8700, Chapel Hill, NC 27599 8700, USA
    Ann Biomed Eng 40:141-9. 2012
    ..Since linear and rotational accelerations were observed in all impacts, future hockey helmet design standards should include rotational acceleration limits in addition to the current linear acceleration standards...
  15. ncbi request reprint The effect of menstrual-cycle phase on hamstring extensibility and muscle stiffness
    David R Bell
    Dept of Exercise and Sport Science, University of North Carolina at Chapel Hill, USA
    J Sport Rehabil 18:553-63. 2009
    ..Preventing noncontact ACL injuries has been a major focus of athletic trainers and researchers. One factor that may influence female noncontact ACL injury is the fluctuating concentrations of hormones in the body...
  16. pmc Lower extremity muscle activation and knee flexion during a jump-landing task
    Meghan Walsh
    Campus Health Services, The University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    J Athl Train 47:406-13. 2012
    ..Decreased sagittal-plane motion at the knee during dynamic tasks has been reported to increase impact forces during landing, potentially leading to knee injuries such as anterior cruciate ligament rupture...
  17. doi request reprint Does cervical muscle strength in youth ice hockey players affect head impact biomechanics?
    Jason P Mihalik
    Matthew Gfeller Sport Related Traumatic Brain Injury Research Center, Department of Exercise and Sport Science, The University of North Carolina, Chapel Hill, North Carolina 27599 8605, USA
    Clin J Sport Med 21:416-21. 2011
    ..To evaluate the effect of cervical muscle strength on head impact biomechanics...
  18. doi request reprint Reliability and interpretation of single leg stance and maximum voluntary isometric contraction methods of electromyography normalization
    Marc F Norcross
    Neuromuscular Research Laboratory, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 8700, USA
    J Electromyogr Kinesiol 20:420-5. 2010
    ..However, this method is justified in the GMax, GMed, and ADD and may provide a better representation of coordinated muscle function during a functional task...
  19. doi request reprint The association between lower extremity energy absorption and biomechanical factors related to anterior cruciate ligament injury
    Marc F Norcross
    Neuromuscular Research Laboratory, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    Clin Biomech (Bristol, Avon) 25:1031-6. 2010
    ..However, the relationships between energy absorption and prospectively identified biomechanical factors associated with non-contact anterior cruciate ligament injury have yet to be demonstrated...
  20. doi request reprint Collision type and player anticipation affect head impact severity among youth ice hockey players
    Jason P Mihalik
    Sports Medicine Research Laboratory, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    Pediatrics 125:e1394-401. 2010
    ..We hypothesized that head impact biomechanical features would be more severe in unanticipated collisions and open-ice collisions, compared with anticipated collisions and collisions along the playing boards, respectively...
  21. doi request reprint Changes in infraspinatus cross-sectional area and shoulder range of motion with repetitive eccentric external rotator contraction
    Sakiko Oyama
    University of North Carolina at Chapel Hill, 25799 8700, USA
    Clin Biomech (Bristol, Avon) 26:130-5. 2011
    ..The purpose of the study was to evaluate changes in shoulder range of motion and the infraspinatus cross-sectional area with repetitive eccentric contraction...
  22. doi request reprint The relationship between anterior tibial shear force during a jump landing task and quadriceps and hamstring strength
    Douglas R Bennett
    Department of Athletics, Pennsylvania State University, University Park, PA, USA
    Clin Biomech (Bristol, Avon) 23:1165-71. 2008
    ..The purpose of this investigation was to evaluate relationships between anterior tibial shear force during landing and quadriceps and hamstring strength...
  23. doi request reprint The impact of stochastic resonance electrical stimulation and knee sleeve on impulsive loading and muscle co-contraction during gait in knee osteoarthritis
    Amber Collins
    Department of Biomedical Engineering, University of North Carolina, Chapel Hill, USA
    Clin Biomech (Bristol, Avon) 26:853-8. 2011
    ..Our goal was to determine whether stochastic resonance stimulation combined with a knee sleeve would decrease impulsive loading rates and muscle co-contraction during gait in knee osteoarthritis...
  24. pmc Return of postural control to baseline after anaerobic and aerobic exercise protocols
    Zachary G Fox
    The University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
    J Athl Train 43:456-63. 2008
    ..With regard to sideline concussion testing, the effect of fatigue associated with different types of exercise on postural control is unknown...
  25. doi request reprint Rotator cuff coactivation ratios in participants with subacromial impingement syndrome
    Joseph B Myers
    Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
    J Sci Med Sport 12:603-8. 2009
    ....
  26. doi request reprint Trunk and hip biomechanics influence anterior cruciate loading mechanisms in physically active participants
    Barnett Frank
    Barnett Frank, MA, ATC, Department of Exercise and Sport Science, The University of North Carolina at Chapel Hill, 209 Fetzer Hall, CB 8700, Chapel Hill, NC 27599 8700
    Am J Sports Med 41:2676-83. 2013
    ..However, the relationship between trunk motion, NMC of the lumbopelvic hip complex, and triplanar knee loads during a sidestep cutting task has not been examined...
  27. doi request reprint Stochastic resonance electrical stimulation to improve proprioception in knee osteoarthritis
    Amber T Collins
    Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC 27599, USA
    Knee 18:317-22. 2011
    ..The observed correlations suggest that subjects with larger proprioceptive deficits may benefit most from these therapies...
  28. doi request reprint Effect of infraction type on head impact severity in youth ice hockey
    Jason P Mihalik
    Matthew A Gfeller Sport Related Traumatic Brain Injury Research Center, Department of Exercise and Sport Science, The University of North Carolina, Chapel Hill, NC, USA
    Med Sci Sports Exerc 42:1431-8. 2010
    ..To identify the effects of infractions sustained during participation in youth ice hockey on biomechanical measures of head impact severity...
  29. doi request reprint Gluteal muscle activation during common therapeutic exercises
    Lindsay J DiStefano
    Departmento of Human Movemente Science, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
    J Orthop Sports Phys Ther 39:532-40. 2009
    ..Experimental laboratory study...
  30. doi request reprint Influence of humeral torsion on interpretation of posterior shoulder tightness measures in overhead athletes
    Joseph B Myers
    Sports Medicine Laboratory and Neuromuscular Research Laboratory, Department of Exercise and Sport Science, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 8700, USA
    Clin J Sport Med 19:366-71. 2009
    ..To measure the influence of humeral torsion on interpretation of clinical indicators of posterior shoulder tightness in overhead athletes...
  31. pmc Hamstrings stiffness and landing biomechanics linked to anterior cruciate ligament loading
    J Troy Blackburn
    Neuromuscular Research Laboratory, University of North Carolina at Chapel Hill
    J Athl Train 48:764-72. 2013
    ..However, it is unclear how hamstrings stiffness influences anterior cruciate ligament (ACL) loading mechanisms during dynamic tasks...