Abstract：Objective To explore the clinical effect of hip joint strength training combined with rehabilitation therapy on athlete's patellofemoral joint pain syndrome. Methods From January 2016 to December 2017, in Xi＇an Hospital of Sports Trauma, 80 sportsmen with patellofemoral joint pain syndrome were selected, according to the random number table, they were divided into the observation group and the control group, with 40 cases in each group. The control group was given conventional rehabilitation treatment, the observation group was given hip joint strength training on the basis of routine rehabilitation treatment. The pain degree, patellofemoral joint function and knee flexion and muscle strength between in two groups before and after treatment were compared. Results Before the treatment, there was no statistically significant difference in the VAS scores of walking up and down stairs, jumping between the two groups (P > 0.05); after the treatment, the VAS scores of walking up and down stairs, jumping in the two groups were lower than before the treatment, the differences were statistically significant (P < 0.05); after treatment, the VAS scores of walking up and down stairs, jumping in the observation group were lower than the control group, the differences were statistically significant (P < 0.05). Before the treatment, there was no statistically significant difference in Kujala scores between the two groups (P > 0.05), after the treatment, the Kujala scores in two groups were higher than before the treatment, the differences were statistically significant (P < 0.05); after treatment, the Kujala scores in the observation group were higher than the control group, the differences were statistically significant(P < 0.05). Before the treatment, there was no significant difference in the peak torque of the four head muscles and the popliteal muscle peak at angular velocity 60°/s and 120°/s between two groups (P > 0.05); after treatment, the peak torque of the four head of the femoral muscle and the popliteal muscle peak at angular velocity 60°/s and 120°/s in two groups were higher than before the treatment, the differences were statistically significant (P < 0.05); after treatment, the peak torque of the four head muscles of the femoral four head and the popliteal muscle peak at angular velocity 60°/s and 120°/s in the observation group were higher than the control group, the differences were statistically significant (P < 0.05). Conclusion Hip strength training combined with rehabilitation therapy can significantly improve the pain symptoms of patellofemoral pain syndrome athletes, it can improve the patellofemoral joint function and knee flexion strength significantly, it is great significance to the recovery of athletes' competitive level.
2018, Vol. 15 
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