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Hadadnezhad M, Letafatkar A, Moradi M, Shah Saheb M S, Norouzi G, Salehi S. The Relationship Between Upper Extremity Functional Tests Scores With Isokinetic Strength, Range of Motion, Shoulder Proprioception, and Posture in Male Volleyball Players. PTJ 2024; 14 (2)
URL: http://ptj.uswr.ac.ir/article-1-606-en.html
URL: http://ptj.uswr.ac.ir/article-1-606-en.html
Malihe Hadadnezhad1 
, Amir Letafatkar2 , Mohsen Moradi * 3, Maryam Sadat Shah Saheb4 , Gholamreza Norouzi5 , Shahin Salehi6
, Amir Letafatkar2 , Mohsen Moradi * 3, Maryam Sadat Shah Saheb4 , Gholamreza Norouzi5 , Shahin Salehi6
1- Associate Professor of Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Biomechanics and Sports injury, Kharazmi University, Tehran, Iran.
2- 1. Associate Professor of Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Biomechanics and Sports injury, Kharazmi University, Tehran, Iran.
3- PhD in Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Biomechanics and Sports injury, Kharazmi University, Tehran, Iran.
4- Master of Science in Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Sports Medicine and Health, University of Tehran, Tehran, Iran.
5- PhD in Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Sports injury and Physiology, University of Arak, Arak, Iran.
6- Associate Professor, Department of Sports Medicine, Imam Hussein Hospital, Faculty of Medicine, Department of Sports Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- 1. Associate Professor of Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Biomechanics and Sports injury, Kharazmi University, Tehran, Iran.
3- PhD in Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Biomechanics and Sports injury, Kharazmi University, Tehran, Iran.
4- Master of Science in Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Sports Medicine and Health, University of Tehran, Tehran, Iran.
5- PhD in Sports injury and Corrective Excercises, Faculty of Physical Education and Sports Sciences, Department of Sports injury and Physiology, University of Arak, Arak, Iran.
6- Associate Professor, Department of Sports Medicine, Imam Hussein Hospital, Faculty of Medicine, Department of Sports Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract: (262 Views)
Purpose: The purpose of this study was to investigate the relationship between the scores of upper extremity functional tests with isokinetic strength, range of motion, shoulder proprioception, and posture of male volleyball players.
Methods: 30 male university volleyball players aged 18 to 24 years were selected by convenience sampling. The Concentric strength of the internal and external rotators, abductors, flexors, adductors, and extensors of the shoulder was measured at speeds of 180 and 300 degrees per second using an isokinetic dynamometer. Shoulder proprioception was also assessed at 45 and 90 degrees using an isokinetic device. Also, the range of motion of flexion, extension, abduction, and internal and external rotation at 90 degrees of abduction was measured using a universal goniometer. The forward head and shoulder angles were also assessed by photography and using AutoCAD software. Finally, upper extremity function was assessed using a Y-Balance device. Results: Pearson correlation coefficient was used to assess the relationship between variables at a significance level of P<0.05 using SPSS20 software. The results of the Pearson correlation test showed that there was a positive and significant relationship between the isometric strength variables at torques of 180 and 300 (degrees per second) for flexion and extension, abduction and adduction, internal and external rotation (p>0.05), and between the proprioception variables at 45 and 90 degrees of shoulder abduction (p>0.05), and between the range of motion variables for shoulder flexion, shoulder extension, shoulder abduction, shoulder internal rotation, and shoulder external rotation (p>0.05) with the upper extremity functional test. Also, a negative and significant relationship was observed between the forward head angle (p>0.05) and shoulder forward angle (p>0.05) with the upper extremity functional test.
Conclusion: Based on the findings of the present study, there is a significant relationship between the scores of upper extremity functional tests with isokinetic strength, proprioception, and range of motion of the shoulder joint, as well as posture of volleyball athletes. Coaches and specialists can focus on improving these variables to improve shoulder function and prevent injury in volleyball athletes.
Methods: 30 male university volleyball players aged 18 to 24 years were selected by convenience sampling. The Concentric strength of the internal and external rotators, abductors, flexors, adductors, and extensors of the shoulder was measured at speeds of 180 and 300 degrees per second using an isokinetic dynamometer. Shoulder proprioception was also assessed at 45 and 90 degrees using an isokinetic device. Also, the range of motion of flexion, extension, abduction, and internal and external rotation at 90 degrees of abduction was measured using a universal goniometer. The forward head and shoulder angles were also assessed by photography and using AutoCAD software. Finally, upper extremity function was assessed using a Y-Balance device. Results: Pearson correlation coefficient was used to assess the relationship between variables at a significance level of P<0.05 using SPSS20 software. The results of the Pearson correlation test showed that there was a positive and significant relationship between the isometric strength variables at torques of 180 and 300 (degrees per second) for flexion and extension, abduction and adduction, internal and external rotation (p>0.05), and between the proprioception variables at 45 and 90 degrees of shoulder abduction (p>0.05), and between the range of motion variables for shoulder flexion, shoulder extension, shoulder abduction, shoulder internal rotation, and shoulder external rotation (p>0.05) with the upper extremity functional test. Also, a negative and significant relationship was observed between the forward head angle (p>0.05) and shoulder forward angle (p>0.05) with the upper extremity functional test.
Conclusion: Based on the findings of the present study, there is a significant relationship between the scores of upper extremity functional tests with isokinetic strength, proprioception, and range of motion of the shoulder joint, as well as posture of volleyball athletes. Coaches and specialists can focus on improving these variables to improve shoulder function and prevent injury in volleyball athletes.
Type of Study: Research |
Subject:
Special
Received: 2023/10/22 | Accepted: 2024/04/9 | Published: 2024/04/9
Received: 2023/10/22 | Accepted: 2024/04/9 | Published: 2024/04/9
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