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Article Dans Une Revue Journal of Sport Rehabilitation Année : 2022

Shoulder Rotational Strength and Range of Motion in Unilateral and Bilateral Overhead Elite Athletes

Résumé

Context: Overhead athletes place tremendous demands on the shoulder complex, which result in adaptive kinematics but potential susceptibility to injury. This study aimed to compare shoulder glenohumeral range of motion (ROM) and rotator muscles strength in bilateral and unilateral overhead sports. Design: Cross-sectional study; secondary care. Methods: Forty-two elite athletes (17.7 [4.5] y; 42.9% female), including 18 swimmers and 24 badminton players, were included. Preseason glenohumeral rotation ROM and isokinetic shoulder internal and external rotator muscles strength was tested (60 degrees center dot s(-1)). Bilateral (nondominant:dominant) and agonist:antagonist (external rotator:internal rotator) conventional and functional deceleration ratios (eccentric to concentric) were calculated. The impact of sport and number of competitive years on shoulder ROM and strength was tested. Results: Badminton players had greater glenohumeral internal rotation deficit, total ROM deficit, and lower bilateral strength ratio than swimmers (P <.050). Rotational strength was positively associated with the competitive years, but greater in swimmers (P <.050) and on the internal rotator (P <.001). The functional deceleration ratio was negatively associated with the competitive years on the dominant side in swimmers and for both sides in badminton. Conclusions: Unilateral overhead athletes had greater ROM and rotational strength asymmetries than bilateral athletes. Interestingly, the functional deceleration ratio was lower over time on the dominant shoulder for both sports, but, surprisingly, also on the nondominant shoulder in badminton, potentially creating a greater risk for shoulder injuries.
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Dates et versions

hal-04329282 , version 1 (07-12-2023)

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Joffrey Drigny, Henri Guermont, Emmanuel Reboursiere, Antoine Gauthier. Shoulder Rotational Strength and Range of Motion in Unilateral and Bilateral Overhead Elite Athletes. Journal of Sport Rehabilitation, 2022, 31 (8), pp.963--970. ⟨10.1123/jsr.2021-0342⟩. ⟨hal-04329282⟩
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