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Comparison of the Kinematics and the Ratio of Strength and Range of Motion of the Shoulder Joint of Players with Overhead Movement
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| Mojtaba Iranmanesh, Mansour Sahebozamani, Mohammadreza Amirseifaddini, Mohammad Alimoradi |
| Department of Sport Injury and Corrective Exercises, faculty of Sport Sciences, Shahid Bahonar University, Kerman, Iran. |
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Abstract: (257 Views) |
Backgrounds: The shoulder complex, as one of the most mobile joints of the body, is frequently used by overhead sports athletes. The unilateral and repetitive nature of overhead sports causes the upper extremity to be affected by biomechanical overloads. Thus, musculoskeletal screening, such as ROM, strength, and identifying traumatic kinematic variables, can be beneficial to injury prevention strategies and the development of conditioning and rehabilitation programs. The purpose of this study is to compare selected traumatic kinematic variables and ratios of ROM and strength in volleyball, handball, and badminton players. Methods: A total of 36 athletes with similar physical characteristics (volleyball: age=26.65±4.56 y, weight=91.07±7.91 kg, height=185.14±12.25 cm; handball: age=27.29±3.12 y, weight=90.11±6.38 kg, height=183.52±9.67 cm; badminton: age=26.01±4.29 y, weight=87.85±4.59 kg, height=182.38±10.74 cm) were selected to participate in the current study. A Leighton flexometer and a hand-held dynamometer were used to measure ROM and strength ratios, respectively, and a motion analysis system was used to record shoulder joints during overhead movement. Results: The results showed that the means of the kinematic variables recorded and the ratios of external (ER) strength to internal (IR) strength and ER ROM to IR ROM were significantly different between the three groups. Conclusion: In conclusion, preseason screening is vital to achieving optimal values on these measures and may reduce future shoulder injuries in overhead athletes. |
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| Keywords: Overhead athletes, Shoulder joint, Kinematic, Rang of Motion, Strength |
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Type of Study: Research |
Subject:
General
Received: 2022/08/10 | Accepted: 2023/02/11 | Published: 2023/02/11
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