《Chinese Journal of Rehabilitation Theory and Practice》 ›› 2021, Vol. 27 ›› Issue (5): 609-614.doi: 10.3969/j.issn.1006-9771.2021.05.015

Previous Articles     Next Articles

Effects of Different Upper Extremity Fixing Approaches on Elbow Flexor Activities and Balance for Stroke Patients

Xin CHEN1,Sheng WANG2(),Tong WANG3,Qin-feng WU2,Xiang-zhe LI2   

  1. 1.Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200020, China
    2.Affiliated Suzhou Science & Technology Town Hospital of Nanjing Medical University, Suzhou, Jiangsu 215153, China
    3.First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, China
  • Received:2019-09-16 Revised:2020-01-16 Published:2021-05-25 Online:2021-05-26
  • Contact: Sheng WANG E-mail:wangshengkf@163.com
  • Supported by:
    Medical and Health Science and Technology Projects of Suzhou New District(2017Z003)

Abstract: Objective

To observe the affected elbow flexor activities and balance of stroke patients in standing and walking as fixing the affected upper extremity with different methods.

Methods

From September to December, 2018, 14 stroke patients from Affiliated Suzhou Science & Technology Town Hospital of Nanjing Medical University were included. They were measured elbow flexor contraction ratio (integrated electromyogram of flexor/integrated electromyogram of antagonist) with wireless surface electromyography as standing and walking in normal speed, and sway index with Biodex as standing, in four conditions: the affected arm without fixing, and fixed with elbow orthosis, and with unaffected hand backwards and forwards.

Results

The contraction ratio was the most as the arm fixed with elbow orthosis in both standing and walking (F > 2.687, P < 0.05). The sway index was the most as the arm fixed with unaffected hand forwards (F = 21.091, P < 0.05).

Conclusion

The elbow orthosis restraint may lead to increased contraction of the affected elbow flexor, which is unsatisfactory to inhibit flexor activity of the upper extremities; while restraint of unaffected hand forwards may lead to instable balance.

Key words: stroke, upper extremity restraint, balance, flexor

CLC Number: