| 1.Objective: Knee Osteoarthritis(KOA)is a chronic joint disease common in adults and affects women more than men.Eighty percent of KOA patients had pain symptoms and joint dysfunction,and 25 percent of KOA patients were unable to complete major daily activities.Different forms of exercise have been proven to effectively improve the clinical symptoms of patients with KOA.Studies have shown that multi-mode exercise therapy is more effective than single exercise intervention.Therefore,in this study,myofascial trigger point release was added to slow multimode resistance training to investigate the intervention effect of its training model on middle-aged and elderly female KOA patients.2.Methods: Thirty-one middle-aged and elderly female KOA patients were randomly divided into slow multi-mode resistance training combined with myofascial trigger point relaxation group and slow multi-mode resistance training group.All subjects underwent 8 weeks,2 times a week,3 sets at a time,8 replicates.Height,weight,body mass index,heart rate,diastolic blood pressure,systolic blood pressure,lower limb muscle mass,NPRS,WOMAC osteoarthritis index were measured at the same time 1 week before and 2 days after the last training.The 20 m walking test,sitting chair standing test and knee extensor torque test were also conducted.3.Results 3.1 The changes of NPRS indexes of subjects with slow multi-mode resistance training and its combination with myofascial trigger point relaxation were as follows :(1)in the time main effect,the NPRS indexes of subjects at different time points were significantly different(P<0.01).(2)in the group main effect,there was no significant difference in the NPRS index of subjects in different groups(P>0.05);(3)there was no significant difference in NPRS in the time * group(P>0.05).3.2 The change of WOMAC osteoarthritis index of subjects with slow multi-mode resistance training and its combination with myofascial trigger point release was as follows :(1)in the time main effect,the pain value and body function value of subjects at different time points presented very significant difference(P<0.01),and the stiffness value presented significant difference(P<0.05).(2)in the main effect of the group,there was no significant difference in pain value,stiffness value and body function value of the subjects in different groups(P>0.05).In the time * group,there was no significant difference in the pain value,stiffness value and body function value(P>0.05).3.3 Slow multi-mode resistance training and its combination of myofascial trigger point release the subjects of lower limb muscle strength index change is:(1)slow multi-mode resistance training combined with myofascial trigger point release of subjects with lower limbs muscles quantitative change into: the main effect,category main effect in time,time * group effect,the subjects of the lower limb muscle mass had no significant difference(P > 0.05).(2)the variation of lower limb torque of subjects released by slow multi-mode resistance training combined with the myofascial trigger point was as follows:(1)in the main effect of time,the lower limb torque of subjects at different time points presented significant difference(P<0.05).(2)In the main effect of the group,there was no significant difference in the lower limb torque of the subjects in different groups(P>0.05).(3)In the interaction effect of the time * group,there was no significant difference in the lower value torque value of the subjects(P>0.05).3.4 The changes of body function indexes of subjects with slow multi-mode resistance training and its combination with the release of myofascial trigger point were as follows:(1)the changes of chair standing test of subjects with slow multi-mode resistance training and its combination with the release of myofascial trigger point were as follows:(1)in the main effect of time,the results of chair standing test of subjects at different time points showed significant difference(P<0.05).(2)In the main effect of the group,there was no significant difference in the results of the sitting-and-standing test of the subjects in different groups(P>0.05).(3)In the interaction effect of the time * group,there was no significant difference in the results of the chair standing test(P>0.05).(2)the variation of the 20 m walking test of subjects whose slow multi-mode resistance training combined with the release of the myofascial trigger point was as follows: there was no significant difference in the 20 m walking test results of subjects in the time main effect,group main effect and time * group interaction effect(P>0.05).4.Conclusion 4.1 Myofascial trigger point release combined with slow multi-mode resistance training effectively improved pain symptoms and body dysfunction in KOA patients.4.2 Slow multimode resistance training alone was also effective in improving pain symptoms and physical dysfunction in KOA patients.4.3 The myofascial trigger point relaxation assisted exercise intervention did not improve pain levels and body function in KOA patients. |
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