The effect of a high-intensity bout of general fatigue on lower limb function and Knee Joint proprioceptive sensation in women's karate department of the committee

Poster Presentation
Paper ID : 2024-SSRC
Authors
1MA. sports injury and corrective exercises,Imam Reza International University. mashhad.Iran.
2PhD Candidate in Sports Injuries and Corrective Exercises, department of biomechanics and sport injuries, faculty of sport sciences and health, university of tehran.tehran. iran
3M A. sports injury and corrective exercises. Islamic Azad University, Karaj branch. Karaj. Iran
Abstract
Introduction: When participating in sports activities, athletes always experience fatigue, which can reduce joint stability and increase the risk of injury. In the meantime, karate kicks are performed at a faster speed, and any weakness in the proprioceptive function of the joints is considered a risk factor for athletes. Proprioceptive dysfunction is related to factors such as muscle fatigue, which is an integral part of any physical activity. Therefore, the purpose of this research is to investigate the effect of a high-intensity general fatigue session on lower limb function and Knee Joint proprioceptive sensation of female karateka of the committee.
Research method: The research method was semi-experimental. The samples of the present research included 30 female karate athletes of the committee division with an average age of 19.00 ± 2.14 years, who were randomly divided into two experimental and control groups. Subjects of the experimental group performed the high-intensity general fatigue training protocol program in one training session according to the scientific principles of the exercise and under control. Y balance test and goniometer were used to measure lower limb function and knee proprioception (60 degrees), respectively. Data analysis was performed at a significance level of 5% using one-way analysis of variance.
Findings: The results showed that a high-intensity bout of general fatigue caused a significant decrease in proprioceptive sensation at a 60-degree angle and lower limb function (0.05). This was while no significant change was observed in the control group (0.05).
Conclusion: From the results of this research, it can be concluded that high-intensity general fatigue decreased the function of the lower limbs and knee proprioception of female karateka in the committee department in this study. Therefore, it is suggested to use special proprioceptive exercises as a way to prevent lower limb function decrease and increase proprioceptive accuracy during long-term sports activities.
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