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Objective:To investigate the effect of strength training of hip muscles on functional ankle instability (FAI), and be evaluated with surface electromyography (sEMG). Methods:From January, 2019 to June, 2020, 60 FAI patients were recruited in Qingdao Municipal Hospital. They were divided into control group (n = 30) and observation group (n = 30) randomly. The control group received conventional therapy, including ankle joint mobilization training, strength training and balance training for six weeks, while the observation group received strength training of hip muscles in addition. Cumberland Ankle Instability Tool (CAIT), Star Excursion Balance Test (SEBT) and sEMG were used to assess the function before and after intervention, and integrated electromyography (iEMG) was measured with sEMG. The correlation of CAIT and SEBT to iEMG was analyzed with Pearson coefficient. Results:No one dropped out. Before intervention, there was no significant difference between CAIT, SEBT and iEMG between two groups (P > 0.05). CAIT and SEBT improved significantly in both groups (t > 3.657, P < 0.001) after six-week intervention; the iEMG increased significantly in the observation group (t > 22.038, P < 0.001), while no significance was found in the control group (t < 1.916, P > 0.05); all the indexes were better in the observation group than in the control group (t > 2.125, P < 0.05). iEMG of gluteus medius and gluteus maximum correlated to CAIT and SEBT in the observation group (r = 0.712 to 0.866, P < 0.05). Conclusion:The strength training of the hip muscles could improve the ankle function of FAI patients. iEMG of gluteus medius and gluteus maximum could be a valid measure to assess the effect of strength training on FAI.
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Objective To investigate the effect of EMG-triggered stimulation on drop foot for poststroke hemiplegia. Methods 36 hemi-plegic patients were randomized into routine group (n=18) and EMG-triggered stimulation group (triggered group, n=18). 2 groups were as-sessed by Fugl-Meyer Assessment (FMA), range of motion (ROM) of ankle dorsiflexion and iEMG values before and after treatment. Re-sults The scores of FMA, degrees of ROM, iEMG values of the tibialis anterior, and co-contraction ratio improved in 2 groups after treat-ment (P<0.05), and the triggered group had better effect than the routine group (P<0.05). Conclusion EMG-triggered stimulation can im-prove muscle strength, and decrease co-contraction ratio.
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@#Objective To investigate the effect of EMG-triggered stimulation on drop foot for poststroke hemiplegia. Methods 36 hemiplegic patients were randomized into routine group (n=18) and EMG-triggered stimulation group (triggered group, n=18). 2 groups were assessed by Fugl-Meyer Assessment (FMA), range of motion (ROM) of ankle dorsiflexion and iEMG values before and after treatment. Results The scores of FMA, degrees of ROM, iEMG values of the tibialis anterior, and co-contraction ratio improved in 2 groups after treatment (P<0.05), and the triggered group had better effect than the routine group (P<0.05). Conclusion EMG-triggered stimulation can improve muscle strength, and decrease co-contraction ratio.
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Objective To study the effects of motor imagery therapy combined with electromyographic (EMG) biofeedback on upper limb function in hemiplegic patients.Methods Sixty hemiplegic stroke patients were recruited and divided into a control group (n=20),an electrical stimulation group (n=20) and a combination group (n=20).All groups received basic medication and routine rehabilitation training once daily for 4 weeks.The electrical stimulation group was also treated with EMG biofeedback,and the combination group with motor imagery therapy plus EMG biofeedback.The Fugl-Meyer assessment (FMA),the modified Barthel index (MBI) and EMG parameters were assessed before and after 2 courses of treatment.Results After 8 weeks of treatment all groups had significantly higher FMA scores and MBI scores,and better integrated EMG values,but the effects in the combination group were significantly better than those in the other two groups.Conclusions Motor imagery therapy combined with EMG biofeedback can more effectively promote recovery of upper limb function in hemiplegic stroke patients.
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@#Objective To explore the effect of surface electromyogram biofeedback stimulation on lower limb function of stroke hemiplegicpatients. Methods 30 stroke patients following hemiplegia were divided into 2 groups: observation group (n=15) and control group(n=15). 2 groups were given conventional rehabilitation training. The observation group added surface electromyogram biofeedback stimulationtraining, while the control group added acupuncture. Brunnstrom's recovery stages, the Fugl-Meyer Assessment(FMA) and electromyographicparameters were assessed before and 4 courses after the treatment. Results Both groups had significantly higher Brunnstrom's andFMA scores and better integrated electromyogram (P<0.05), but the observation group was significantly better than the control group afterthe treatment (P<0.05). Conclusion Surface electromyogram biofeedback stimulation training can facilitate to provide satisfactory rehabilitationeffects for lower limb function of hemiplegic stroke patients.
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Objective To study the effect of surface electromyogram-triggered electrical stimulation on lower limb function in hemiplegic stroke patients. Methods Thirty hemiplegic stroke patients were divided into a treatment group ( 15 cases) and a control group ( 15 cases). Both groups were given conventional rehabilitation training.Additionally, the treatment group was given surface electromyogram-triggered electrical stimulation training, while the control group was given common low frequency electrical stimulation. Brunnstrom's recovery stages, the Fugl-Meyer assessment (FMA) and electromyographic parameters were assessed before and after 3 courses of treatment. Results After treatment both groups had significantly higher Brunnstrom and FMA scores and better integrated electromyograms(iEMG), but the effects in the treatment group were significantly better than in the control group. Conclusions Surface electromyogram-triggered electrical stimulation training can provide satisfactory rehabilitation of lower limb function in hemiplegic stroke patients.
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@#Objective To investigate the effect of electromyographic biofeedback with electric stimulation (Est-EMGBFT) training on dorsiflexion of foot of cerebral palsy children with spastic diplegia type.Methods 66 cerebral palsy children with spastic diplegia type were randomly divided into the treatment group and control group with 33 cases in each group. The treatment group was treated with rehabilitation training plus Est-EMGBFT, while the control group with rehabilitation training only. The manual muscle test (MMT) of tibial muscle and the ankle joint initiative range of motion (I-ROM) were performed before and after 4 courses of treatment, and the treatment group was assessed by electromyographic (EMG) apparatus additionally.Results After treatment, the muscular force of children in the treatment group was higher than those in the control group significantly ( P<0.01) and the level of integrated electromyography (iEMG) and root mean square (RMS) assessed by sEMG increased significantly ( P<0.05), the I-ROM of the treatment group was higher than the control group significantly ( P<0.05).Conclusion Est-EMGBFT training can provide a satisfactory rehabilitation effect for the dorsiflexion of foot of cerebral palsy children with spastic diplegia type.
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@#Objective To investigate the curative effect of electromyographic(EMG) biofeedback therapy on spastic diplegia children with cerebral palsy.Methods42 children were divided into the treatment group(n=22) and control group(n=20) randomly.The treatment group was treated with rehabilitation training plus EMG biofeedback training,while the control group with rehabilitation training solely.Manual muscle test(MMT) was performed before and 3 months after treatment,and the treatment group was assessed by electromyographic apparatus additionally.ResultsAfter EMG biofeedback training,the muscular force of children in the treatment group was higher than those in the control group significantly(P<0.05) and the level of root mean square(RMS) and integrated electromyography(iEMG) assessed by surface electromyography(sEMG) increased significantly(P<0.05).ConclusionEMG biofeedback training can provide a satisfactory treatment for spastic diplegia children with cerebral palsy.Electromyographic apparatus is effective to assess muscular force.
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@#Objective To investigate the curative effect of electromyographic(EMG) biofeedback therapy on spastic diplegia children with cerebral palsy.Methods42 children were divided into the treatment group(n=22) and control group(n=20) randomly.The treatment group was treated with rehabilitation training plus EMG biofeedback training,while the control group with rehabilitation training solely.Manual muscle test(MMT) was performed before and 3 months after treatment,and the treatment group was assessed by electromyographic apparatus additionally.ResultsAfter EMG biofeedback training,the muscular force of children in the treatment group was higher than those in the control group significantly(P<0.05) and the level of root mean square(RMS) and integrated electromyography(iEMG) assessed by surface electromyography(sEMG) increased significantly(P<0.05).ConclusionEMG biofeedback training can provide a satisfactory treatment for spastic diplegia children with cerebral palsy.Electromyographic apparatus is effective to assess muscular force.
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@#Objective To explore the surface electromyography(EMG)characteristics of biceps brachii during isometric contraction in children with hemiplegic cerebral palsy.Methods The surface electromyograms signals of biceps brachii of 10 children with hemiplegic cerebral palsy during passive isometric contraction were recorded.Results The intact side registered a stronger EMG than that of the affected side,the integrated electromyography(iEMG)and root mean square(RMS)levels from the intact side were higher than those of affected side significantly(P<0.05).Conclusion The results of electromyographic analysis are consistent with Modified Ashworth Scale.Electromyographic analysis can provide a satisfactory evaluation of the muscle tone in children with hemiplegic cerebral palsy.