Research Topics
| J Troy BlackburnSummaryAffiliation: University of North Carolina Country: USA Publications
| Collaborators
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Detail Information
Publications
Kinematic analysis of the hip and trunk during bilateral stance on firm, foam, and multiaxial support surfacesJ 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...- Sex comparison of extensibility, passive, and active stiffness of the knee flexorsJ 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... - Influence of trunk flexion on hip and knee joint kinematics during a controlled drop landingJ 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... 
Sex comparison of hamstring structural and material propertiesJ 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...
Muscle stiffness and spinal stretch reflex sensitivity in the triceps suraeJ 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...- Influences of hamstring stiffness and strength on anterior knee joint stabilityJ 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... - Sagittal-plane trunk position, landing forces, and quadriceps electromyographic activityJ 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... - Comparison of hamstring neuromechanical properties between healthy males and females and the influence of musculotendinous stiffnessJ 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... - The effects of stochastic resonance electrical stimulation and neoprene sleeve on knee proprioceptionAmber T Collins
Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA
J Orthop Surg Res 4:3. 2009..abstract:.. - Enhanced balance associated with coordination training with stochastic resonance stimulation in subjects with functional ankle instability: an experimental trialScott 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... - The assessment of postural control with stochastic resonance electrical stimulation and a neoprene knee sleeve in the osteoarthritic kneeAmber T Collins
Department of Biomedical Engineering, University of North Carolina, Chapel Hill, NC, USA
Arch Phys Med Rehabil 93:1123-8. 2012.... - Head impact biomechanics in youth hockey: comparisons across playing position, event types, and impact locationsJason 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... - The effect of menstrual-cycle phase on hamstring extensibility and muscle stiffnessDavid 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... - Lower extremity muscle activation and knee flexion during a jump-landing taskMeghan 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... - 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... - Reliability and interpretation of single leg stance and maximum voluntary isometric contraction methods of electromyography normalizationMarc 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... - Collision type and player anticipation affect head impact severity among youth ice hockey playersJason 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... - The association between lower extremity energy absorption and biomechanical factors related to anterior cruciate ligament injuryMarc 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... - Changes in infraspinatus cross-sectional area and shoulder range of motion with repetitive eccentric external rotator contractionSakiko 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... - The relationship between anterior tibial shear force during a jump landing task and quadriceps and hamstring strengthDouglas 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... - The impact of stochastic resonance electrical stimulation and knee sleeve on impulsive loading and muscle co-contraction during gait in knee osteoarthritisAmber 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... - Return of postural control to baseline after anaerobic and aerobic exercise protocolsZachary 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... - Rotator cuff coactivation ratios in participants with subacromial impingement syndromeJoseph 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.... - Stochastic resonance electrical stimulation to improve proprioception in knee osteoarthritisAmber 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... - Effect of infraction type on head impact severity in youth ice hockeyJason 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... - Gluteal muscle activation during common therapeutic exercisesLindsay 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... - Influence of humeral torsion on interpretation of posterior shoulder tightness measures in overhead athletesJoseph 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...