THE EFFECT OF WEIGHT BEARING SYMMETRY ON THE POSTURAL RESPONSES OF LOWER LIMB MUSCLES IN HEMI-PARETIC PATIENTS

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ASGHAR HOSSEINI HOSSEIN; EBRAHIMI TAKAMJANI ESMAEIL; SALAVATI MAHYAR; SHAHIDI GHOLAM ALI; SANJARI MOHAMMAD ALI; SHEYKH MANIA

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Journal: Journal of Research in Rehabilitation Sciences Year:2013 | Volume:9 | Issue:3 Page(s): 377-386

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Title

THE EFFECT OF WEIGHT BEARING SYMMETRY ON THE POSTURAL RESPONSES OF LOWER LIMB MUSCLES IN HEMI-PARETIC PATIENTS

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POSTURAL RESPONSESQ2

WEIGHT BEARING ASYMMETRYQ2

STROKEQ2

Abstract

Introduction: Asymmetric weight bearing is one of the prominent characteristics of impaired postural control in hemi-paresis after STROKE. Considering the important effect of load exerted on limbs in correcting postural reflexes, the effect of sole on weight bearing symmetry and also the effect of increased load on paretic limb on the POSTURAL RESPONSES of lower limb muscles against an internal perturbation were investigated.Materials and Methods: 27 hemi-paretic post-stroke patients, who were able to stand independently without assistive devices for one minute, participated in this study. Evaluations included measuring symmetry index, the latency and amplitude of POSTURAL RESPONSES of lower limb muscles that was carried out before and after placing a 10-mm-thick sole under intact lower limb of patients. To measure symmetry index, the patients were asked to stand on force platform for 20 seconds. Electromyographic recordings from medial gastrocnemius, soleus and lateral hamstring muscles of paretic and non-paretic limbs were obtained for evaluating POSTURAL RESPONSES. Rapid flexion movement of non-paretic upper limb was used as an internal perturbation for exciting postural muscle responses.Results: The effect of lift on improving symmetry index was significant (P=0.001). Increasing load on paretic limb did not exert any effects on the latency and amplitude of POSTURAL RESPONSES.Conclusion: Inserting a lift improved symmetry by shifting center of gravity toward midline. The results of the present study show that decreased load on a paretic limb following STROKE cannot fully explain the weak and latent responses of postural muscles.

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APA: Copy

ASGHAR HOSSEINI, HOSSEIN, EBRAHIMI TAKAMJANI, ESMAEIL, SALAVATI, MAHYAR, SHAHIDI, GHOLAM ALI, SANJARI, MOHAMMAD ALI, & SHEYKH, MANIA. (2013). THE EFFECT OF WEIGHT BEARING SYMMETRY ON THE POSTURAL RESPONSES OF LOWER LIMB MUSCLES IN HEMI-PARETIC PATIENTS. JOURNAL OF RESEARCH IN REHABILITATION SCIENCES, 9(3), 377-386. SID. https://sid.ir/paper/144133/en

Vancouver: Copy

ASGHAR HOSSEINI HOSSEIN, EBRAHIMI TAKAMJANI ESMAEIL, SALAVATI MAHYAR, SHAHIDI GHOLAM ALI, SANJARI MOHAMMAD ALI, SHEYKH MANIA. THE EFFECT OF WEIGHT BEARING SYMMETRY ON THE POSTURAL RESPONSES OF LOWER LIMB MUSCLES IN HEMI-PARETIC PATIENTS. JOURNAL OF RESEARCH IN REHABILITATION SCIENCES[Internet]. 2013;9(3):377-386. Available from: https://sid.ir/paper/144133/en

IEEE: Copy

HOSSEIN ASGHAR HOSSEINI, ESMAEIL EBRAHIMI TAKAMJANI, MAHYAR SALAVATI, GHOLAM ALI SHAHIDI, MOHAMMAD ALI SANJARI, and MANIA SHEYKH, “THE EFFECT OF WEIGHT BEARING SYMMETRY ON THE POSTURAL RESPONSES OF LOWER LIMB MUSCLES IN HEMI-PARETIC PATIENTS,” JOURNAL OF RESEARCH IN REHABILITATION SCIENCES, vol. 9, no. 3, pp. 377–386, 2013, [Online]. Available: https://sid.ir/paper/144133/en

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