Comparison of Eight Weeks of Theraband Resistance Training and Hopping Exercises on Proprioception and Postural Stability Under Muscle Fatigue Conditions in Men at Risk of Anterior Cruciate Ligament Injury

Document Type : Original Articles

Authors
1 MSc Student, Department of Sport Biomechanics and Sports Injury, School of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran
2 Professor, Department of Biomechanics and Sports Injury, School of Physical Education and Sport Sciences, Kharazmi University, Tehran, Iran
3 Associate Professor, Department of Sports Medicine, Sport Sciences Research Institute, Tehran, Iran
10.48305/jrrs.2026.46349.1149
Abstract
Introduction: Neuromuscular fatigue is a significant risk factor for anterior cruciate ligament (ACL) injury. Therefore, the purpose of the present study was to compare the effects of fatigue induced following a period of TheraBand resistance training and hopping exercises on proprioception and postural stability in men at risk of ACL injury.
Materials and Methods: In this semi-experimental study, 30 men aged 18–28 years who met the inclusion criteria were randomly assigned to three groups of 10 participants each: resistance training, hopping exercises, and a control group. Proprioception was measured using the Biodex isokinetic dynamometer, and time to stability was assessed using a force plate. The training groups participated in their respective exercise programs for 8 weeks. Pretest and post-test data were analyzed using repeated-measures analysis of variance (ANOVA) and Tukey's post hoc test in SPSS.
Results: Statistical analysis revealed significant differences between pretest and post-test values for both proprioception (P = 0.001, η² = 0.14) and time to stability (P = 0.030, η² = 0.09) (P < 0.05). Furthermore, the resistance training group demonstrated greater improvement in time to stability than the hopping group. In contrast, the hopping group showed better improvement in proprioception than the resistance training group.
Conclusion: Based on the findings, resistance training can lead to greater improvements in time-to-stability. At the same time, hopping exercises can lead to greater improvements in proprioception among men at risk of anterior cruciate ligament injury. Overall, given the improvements observed in proprioception and postural stability under fatigue conditions, these exercises appear to mitigate some of the risk factors associated with ACL injury.
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