《Chinese Journal of Rehabilitation Theory and Practice》 ›› 2023, Vol. 29 ›› Issue (6): 639-645.doi: 10.3969/j.issn.1006-9771.2023.06.003

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Relationship between symmetry of lower limb function and gait symmetry in patients with incomplete spinal cord injury

WANG Yiji1,2,3, ZHOU Hongjun1,2(), HE Zejia1,2, LIU Genlin1,2, ZHENG Ying1,2, HAO Chunxia1,2, WEI Bo1,2, KANG Haiqiong1,2, ZHANG Ying1,2, LU Xiaolei1,2, YUAN Yuan1,2, MENG Qianru1,2   

  1. 1. Beijing Bo'ai Hospital, China Rehabilitation Research Center, Beijing 100068, China
    2. Capital Medical University School of Rehabilitation Medicine, Beijing 100068, China
    3. Fujita Healthy University, Nagoya 4701192, Japan
  • Received:2022-10-10 Revised:2023-03-22 Published:2023-06-25 Online:2023-07-14
  • Contact: ZHOU Hongjun, E-mail: zh87569303@qq.com
  • Supported by:
    China Rehabilitation Research Center Fund for Research(2020-Q8);China National Key R & D Program(2020YFC2007505)

Abstract:

Objective To observe the characteristics of gait symmetry and its influencing factors in patients with incomplete spinal cord injury (ISCI).
Methods From May, 2018 to November, 2021, 34 patients with ISCI in Beijing Bo'ai Hospital were divided into symmetrical injury of lower limb (SI) group and asymmetrical injury of lower limb (ASI) group according to the lower extremities motor score (LEMS). Three dimensional motion acquisition system and plantar pressure acquisition system were used for gait test. The symmetry indexes of step length, stance time and swing time were caculated.
Results The symmetry indexes of step length, stance time and swing time were significant lower in SI group than in ASI group (|t| > 2.619, P < 0.01). Stance time and swing time significantly correlated to the difference of bilateral LEMS in ASI group (r > 0.468, P < 0.01). Discriminant analysis showed that gait parameter equations were different for patients with different symmetry of lower limb injuries.
Conclusion The symmetry of lower limb motor function impacts gait symmetry for patients with ISCI, especially the difference value of bilateral total LEMS. Gait parameters can be used to determine the symmetry of lower limb injury in patients with ISCI.

Key words: spinal cord injury, gait, motor function, lower limb, symmetry

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