ArticleJournal of physical therapy science2015
The changes in shoulder rotation strength ratio for various shoulder positions and speeds in the scapular plane between baseball players and non-players.
Article in Journal of physical therapy science, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Examining Changes in Shoulder Strength, Lower Body Power, and Body Composition among Collegiate Baseball Players after Completion of a Summer Baseball League Season.Journal of functional morphology and kinesiology · 2024Article
- Isokinetic Dynamometry for External and Internal Rotation Shoulder Strength in Youth Athletes: A Scoping Review.International journal of sports physical therapy · 2024Article
- Do the Testing Posture and the Grip Modality Influence the Shoulder Maximal Voluntary Isometric Contraction?Journal of functional morphology and kinesiology · 2023Article
- Risk factors for shoulder injuries in handball: systematic review.BMC sports science, medicine & rehabilitation · 2022Article
- Sex differences in shoulder performance fatiguability are affected by arm position, dominance and muscle group.BMC musculoskeletal disorders · 2022Article
- A New Method for Evaluating Pelvic and Trunk Rotational Pitching Mechanics: From Qualitative to Quantitative Approaches.International journal of environmental research and public health · 2021Article
- Changes in Shoulder Rotator Strength After Arthroscopic Capsulolabral Reconstruction in Patients With Anterior Shoulder Instability.Orthopaedic journal of sports medicine · 2021Article
- POSTERIOR SHOULDER TIGHTNESS AND SUBACROMIAL IMPINGEMENT CHARACTERISTICS IN BASEBALL PITCHERS: A BLINDED, MATCHED CONTROL STUDY.International journal of sports physical therapy · 2020Article
- The Effectiveness of a Dry-Land Shoulder Rotators Strength Training Program in Injury Prevention in Competitive Swimmers.Journal of human kinetics · 2020Article
- Significantly Increased Odds of Reporting Previous Shoulder Injuries in Female Marines Based on Larger Magnitude Shoulder Rotator Bilateral Strength Differences.Orthopaedic journal of sports medicine · 2018Article
- Comparison of basic physical fitness, aerobic capacity, and isokinetic strength between national and international level high school freestyle swimmers.Journal of physical therapy science · 2016Article
- Electromyographic analysis of the infraspinatus and scapular stabilizing muscles during isometric shoulder external rotation at various shoulder elevation angles.Journal of physical therapy science · 2016Article
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
[Purpose] This study aimed to investigate the effect of shoulder positions and speeds on internal and external rotation torque of college baseball players and age-matched non-players. [Subjects] Twenty first-level collegiate baseball players and 19 college students were recruited. [Methods] A dynamometer system was used to evaluate the shoulder rotation strength in sitting postures. Three testing positions, namely shoulder abduction of 45°, 70°, and 90° in the scapular plane, were combined with three testing speeds at 60°/s, 120°/s, and 210°/s. [Results] The maximum external and internal rotation torques both occurred at shoulder abduction of 70°. However, only external rotation torque was affected by the speed, with the peak value observed at 60°/s. The internal rotation torque of baseball players was larger than that of the control group under all testing conditions, but the external rotation did not show any difference. The ratio of external to internal rotation torque changed with the testing positions and speeds in both groups. The ratio in the control group was greater than that in the player group. [Conclusion] The shoulder position could affect the rotational strength, and the baseball players could strengthen their external rotators for better performance and injury prevention.
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