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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 ...
Ventilation Increases with Lower Extremity Venous Occlusion in Young Adults
VENOUS DISTENTION GROUP III AND IV MUSCLE AFFERENTS
2017/4/13
Introduction: Venous distention via subsystolic occlusion of the lower limbs may augment ventilation via stimulation of group III/IV afferent neurons.
Purpose: The purpose of this study was to examin...
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...
Lower Extremity Biomechanical Relationships with Different Speeds in Traditional, Minimalist, and Barefoot Footwear
Running biomechanics gait analysis,
2015/8/28
Minimalist running footwear has grown increasingly popular.
Prior studies that have compared lower extremity biomechanics
in minimalist running to traditional running conditions are largely limite...
Pelvic Rotation and Lower Extremity Motion with Two Different Front Foot Directions in the Tennis Backhand Groundstroke
Ankle sprains prevention lower extremity movements pelvic rotational velocity pelvic rotational acceleration
2015/5/15
When a tennis player steps forward to hit a backhand groundstroke in closed stance, modifying the direction of the front foot relative to the net may reduce the risk of ankle injury and increase perfo...
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 ...
Influence of Trunk Posture on Lower Extremity Energetics during Running
ENERGETICS KINEMATICS RUNNING TRUNK POSTURE
2017/4/14
Purpose: This study aimed to examine the influence of sagittal plane trunk posture on lower extremity energetics during running.
Methods: Forty asymptomatic recreational runners (20 males and 20 fema...
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...
Pre-Activity Modulation of Lower Extremity Muscles Within Different Types and Heights of Deep Jump
Electromyography programmed muscle activity landings drop jumps
2015/4/8
The purpose of this study was to determine modulation of pre- activity related to different types and heights of deep jump. Sixteen male soccer players without experience in deep jumps training (the n...
The Influence of a Foot Orthotic on Lower Extremity Transverse Plane Kinematics in Collegiate Female Athletes with Pes Planus
ACL hyperpronation intervention navicular drop pes planus
2015/3/23
Non-contact anterior cruciate ligament (ACL) injuries in female athletes remain prevalent. Athletes with excessive foot pronation have been identified to be at greater risk for non-contact ACL injury....
Effects of Educational Intervention on Trunk and Lower Extremity Joint Angles and Muscle Activities during a Patient-Handling Task
Educational Intervention Trunk Lower Extremity Joint Angles Muscle Activities Patient-Handling Task
2013/9/30
The purpose of the study was to examine the effects of educational intervention on trunk and lower extremity angles and muscle activities during a patient-handling task. Thirteen female subjects volun...
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 ...