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Lower Extremity Stiffness Changes after Concussion in Collegiate Football Players
NEUROMUSCULAR FUNCTION JUMP LANDING BIOMECHANICS SPORTS-RELATED CONCUSSION
2018/4/24
Purpose Recent research indicates that a concussion increases the risk of musculoskeletal injury. Neuromuscular changes after concussion might contribute to the increased risk of injury. Many studies ...
Lower Extremity Muscle Activation and Kinematics of Catchers When Throwing Using Various Squatting and Throwing Postures
Baseball biomechanics stride electromyography motion kinetic chain
2016/1/11
This study investigated the differences in joint motions and muscle activities of the lower extremities involved in various squatting postures. The motion capture system with thirty-one reflective mar...
The Effects of Tai Chi Chuan Combined with Vibration Training on Balance Control and Lower Extremity Muscle Power
Composite vibration training postural control center of pressure countermovement jump
2015/5/14
The aim of this study was to determine whether performing Tai Chi Chuan on a customized vibration platform could enhance balance control and lower extremity muscle power more efficiently than Tai Chi ...
The Lower Extremity Biomechanics of Single- and Double-Leg Stop-Jump Tasks
Anterior cruciate ligament kinematics kinetics ground reaction force
2015/5/6
The anterior cruciate ligament (ACL) injury is a common occurrence in sports requiring stop-jump tasks. Single- and double-leg stop-jump techniques are frequently executed in sports. The higher risk o...
Acute Lower Extremity Injury Rates Increase after Concussion in College Athletes
MUSCULOSKELETAL INJURY RISK POSTCONCUSSION DEFICITS CONCUSSION INJURY COLLEGE ATHLETICS
2017/4/20
Dynamic postural control deficits and disrupted cortical pathways have been reported to persist beyond an athlete’s return to activity after concussion, potentially increasing the risk of acute lower ...
The Kinetics and Stiffness Characteristics of the Lower Extremity in Older Adults During Vertical Jumping
Aging biomechanics inverse dynamic spring-mass model
2015/4/13
The purpose of this study was to examine the modulating effects of age on lower limb stiffness and net muscle joint activity degeneration when performing a functional activity involving SSC. Seven you...
Comparison of Lower Extremity Kinematics and Hip Muscle Activation During Rehabilitation Tasks Between Sexes
electromyography rehabilitation exercises
2010/9/8
Closed kinetic chain exercises are an integral part of rehabilitation programs after lower extremity injury. Sex differences in lower extremity kinematics have been reported during landing and cutting...
Identifying Relationships Among Lower Extremity Alignment Characteristics
postural relationships risk factor assessment
2010/9/8
The relationship between lower extremity alignment and lower extremity injury risk remains poorly understood, perhaps because most authors have examined only individual or a select group of alignment ...
A MOTION ANALYSIS OF THE LOWER EXTREMITY DURING GAIT WITH SPECIAL REGARD TO THE EMG ACTIVITY OF M. ADDUCTOR LONGUS
gait analysis 3D kinematics electromyography m. adductor longus
2009/8/26
This study used a comprehensive approach including kinematic and EMG data
analysis to determine the electromiographical pattern of m. adductor longus. The study
was performed on 105 healthy subjects...
Range of Motion in the Lower Extremity：Elite vs. Non-elite Soccer Players
range of motion competition goniometry soccer players
2009/8/21
The purpose of this study was to describe flexibility characteristics of elite Serbian soccer players, and make comparisons with non-elite counterparts to find a relationship between results from the ...
Sex Differences and Representative Values for 6 Lower Extremity Alignment Measures
malalignment femoral anteversion genu recurvatum anterior pelvic tilt quadriceps angle
2010/9/9
A discrepancy in anterior cruciate ligament (ACL) injury rates exists between men and women. Structural differences between the sexes often are implicated as a factor in this discrepancy. Researchers...
The Relationships Among Sagittal-Plane Lower Extremity Moments: Implications for Landing Strategy in Anterior Cruciate Ligament Injury Prevention
quadriceps muscle contraction hamstrings muscle contraction
2010/9/9
Excessive quadriceps contraction with insufficient hamstrings muscle cocontraction has been shown to be a possible contributing factor for noncontact anterior cruciate ligament (ACL) injuries. Assessi...
A Biomechanical Investigation of A Single-Limb Squat: Implications for Lower Extremity Rehabilitation Exercise
knee moments electromyography movement analysis
2010/9/9
Single-limb squats on a decline angle have been suggested as a rehabilitative intervention to target the knee extensors. Investigators, however, have presented very little empirical research in which ...
Lower Extremity Kinematics and Ground Reaction Forces After Prophylactic Lace-Up Ankle Bracing
prophylactic braces external ankle supports landings injury prevention
2010/9/9
Long-term effects of ankle bracing on lower extremity kinematics and kinetics are unknown. Ankle motion restriction may negatively affect the body's ability to attenuate ground reaction forces (GRFs)....
Patellar Taping, Patellofemoral Pain Syndrome, Lower Extremity Kinematics, and Dynamic Postural Control
anterior knee pain McConnell taping
2010/9/10
Patellar taping has been a part of intervention for treatment of patellofemoral pain syndrome (PFPS). However, research on the efficacy of patellar taping on lower extremity kinematics and dynamic pos...