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논문 상세정보

뇌졸중 환자의 앉은 자세에서 일어서기 동작 수행에 영향을 주는 다리 근 활성 비교

A Comparison of Lower Limb Muscle Activity Affecting Sit-to-Stand Movement of Stroke Patients

PNF and movement v.16 no.1 , 2018년, pp.59 - 66  

Purpose: This study aimed (1) to identify asymmetry observed in electromyography (EMG) activity patterns of lower limb muscles between affected and unaffected sides of stroke patients during sit to stand (STS) movement and (2) to identify the muscles of the paretic lower limb that affected STS performance in stroke patients. Methods: This study consisted of 27 patients (15 males and 12 females) with poststroke hemiparesis. The activation of the rectus femoris (RF), tibialis anterior (TA), and gastrocnemius (GCM) of the affected side and unaffected side during STS movement were recorded using surface EMG. In addition, EMG lower limb muscle activation patterns were measured in the all section, pre-thigh off (pre-TO), and post-thigh off (post-TO) section. All measurements were obtained during five repetitions of the STS (FTSTS) movement. An independent t-test was performed to compare the affected side and unaffected side of the lower limb during the STS movement. A stepwise linear regression analysis was conducted to identify the muscles that affected STS performance. Results: Activation of both the RF and TA significantly affected the lower limb during the STS movement (p<0.05). Two muscles showed a difference on the post-TO section. The results of the stepwise multiple regression analysis showed that the RF and TA muscles of the affected lower limb were affected in FTSTS. Conclusion: These results provide a basis for reinforcement training, focusing on the RF and TA muscles of the affected side of stroke patients to improve asymmetric movement and performance in STS movement.

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