A Study on the Impact of Exercise Therapy on Lower Limb Biomechanical Risk Factors in Patients with Early Knee Osteoarthritis
Objective:To explore the effects of exercise therapy on biomechanical risk factors in patients with early knee osteoarthritis before and after intervention using wireless surface electromyography analysis technology.Methods:Ninty-eight patients with early knee osteoarthritis were selected,who visited the orthopedics and rehabilitation clinics of Fuzhou Second Hospital from February 2022 to June 2023.The patients were randomly divided into an observation group and a control group,with 49 cases in each group.The observation group received isokinetic muscle strength training and balance proprioception training,three times a week for four weeks;The control group received health education,once a week,for a duration of four weeks.Observe the activation ratio(VM/VL)of the medial and lateral femoris muscles,the activation ratio(VL/BF)of the lateral femoris and hamstring muscles,the anteroposterior and left and right wheelbases,the osteoarthritis index(WOMAC)scores of the University of Western Ontario and McMaster University,and the visual analogue scale(VAS)scores before and after treatment in two groups.Result:After treatment,the observation group showed an increase in VM/VL,a decrease in VL/BF,a decrease in front and rear wheelbase,left and right wheelbase,and a significant decrease in WOMAC and VAS scores,with statistical significance(P＜0.05).There was no statistically significant difference in VM/VL,VL/BF,front and rear wheelbase,left and right wheelbase,WOMAC score,and VAS score between the control group before and after treatment(P＞0.05).After treatment,the above indicators in the observation group were better than those in the control group,and the difference was statistically significant(P＜0.05).Conclusion:Exercise therapy can enhance the ability of the inner,outer,anterior and posterior muscle groups to synergistically contract in early knee osteoarthritis,enhance lower limb balance and proprioceptive ability,improve symptoms of pain and stiffness,regulate the biomechanical risk factors of early knee osteoarthritis,delay disease progression,and improve knee joint function.
early knee osteoarthritisexercise therapybiomechanicsrisk factorsclinical research
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