Glenohumeral Internal Rotation Deficit on Pitching Biomechanics and Muscle Activity

Abstract To characterize the scapular pitching biomechanics in symptomatic GIRD pitchers (SG) compared to asymptomatic GIRD (ASG) and healthy pitchers. The scapular kinematics and associated muscle activities during pitching were recorded in 33 high school pitchers. Compared to healthy, GIRD pitcher...

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Bibliographic Details
Published in:International journal of sports medicine 2022-06, Vol.43 (6), p.538-544
Main Authors: Weng, Yi-Hsuan, Huang, Tsun-Shun, Huang, Cheng-Ya, Chen, Hsing-Yu, Tsai, Yung-Shen, Lin, Jiu-Jenq
Format: Article
Language:English
Subjects:
Baseball - physiology
Biomechanical Phenomena - physiology
Biomechanics
Humans
Muscle function
Muscles
Orthopedics & Biomechanics
Range of Motion, Articular - physiology
Shoulder Joint - physiology
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Summary:Abstract To characterize the scapular pitching biomechanics in symptomatic GIRD pitchers (SG) compared to asymptomatic GIRD (ASG) and healthy pitchers. The scapular kinematics and associated muscle activities during pitching were recorded in 33 high school pitchers. Compared to healthy, GIRD pitchers had less scapular posterior tilt in each pitching event (average difference, AD=14.4°, p
ISSN:0172-4622
1439-3964
DOI:10.1055/a-1667-6080