The Relationship of Sports Injuries With Knee Isokinetic Strength, Anaerobic Power, and Balance in Iranian Paralympic Athletes

Document Type : Original article

Authors

Department of Health and Sports Rehabilitation, Faculty of Sport Sciences and Health Promotion, Shahid Beheshti University, Tehran, Iran.

10.32598/SJRM.14.4.3352

Abstract

Background and Aims Paralympic athletes are at increased risk of overuse injuries due to their unique physical conditions, which may impair their performance.This study aimed to investigate the relationship of sports injuries with physiological and functional indicators (knee isokinetic strength, anaerobic power, and balance) in Iranian Paralympic athletes.
Methods This descriptive–analytical study was conducted on 76 elite male and female Iranian athletes with physical and motor disabilities (Mean age: 32±2.99 years) from 11 sports disciplines competing in the Paris 2024 Paralympic Games. The knee isokinetic strength was measured by the Biodex system. The anaerobic power was calculated using the Wingate test. Also, static and dynamic balances were measured using the Stork test and the Y-balance test, respectively. To assess sports injuries, the Oslo Sports Trauma Research Center (OSTRC) questionnaire was used. Based on its score, athletes were classified into three groups: non-injured, moderately injured, and severely injured.
Results Regarding the OSTRC questionnaire components, the injured group showed significantly higher mean scores than the non-injured group in participation (P=0.001), performance (P=0.001), pain (P=0.001), training volume (P=0.027), and total score (P=0.001). However, the t-test results revealed no statistically significant differences between non-injured and injured groups in right knee strength (P=0.945), left knee strength (P=0.354), peak anaerobic power (P=0.498), mean anaerobic power (P=0.352), static balance (P=0.373), or dynamic balance (P=0.326). Pearson’s correlation test results indicated a non-significant relationship between injury and physiological/functional indicators (P>0.05).
Conclusion The results emphasize the importance of integrating both subjective and objective evaluation methods in analyzing the performance of Paralympic athletes. The findings can be useful in the design of training, rehabilitation, and injury prevention programs for these athletes.

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Volume 14, Issue 4
September and October 2025
Pages 592-605
  • Receive Date: 10 April 2025
  • Revise Date: 20 April 2025
  • Accept Date: 30 April 2025
  • First Publish Date: 30 April 2025