Hashiguchi Yu, Ohata Koji, Osako Sayuri, Kitatani Ryosuke, Aga Yumi, Masaki Mitsuhiro, Yamada Shigehito
Department of Physical Therapy (Mr Hashiguchi), Faculty of Health Science, Gunma Paz University, Gunma, Japan; Department of Physical Therapy (Drs Ohata and Yamada), Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Kuretake Special Support School and Kita Special Support School (Ms Osako), Kyoto, Japan; Kansai Rehabilitation Hospital (Dr Kitatani), Osaka, Japan; Aijinkai Rehabilitation Hospital (Ms Aga), Osaka, Japan; Department of Physical Therapy (Dr Masaki), Niigata University of Health and Welfare, Niigata, Japan.
Pediatr Phys Ther. 2018 Jan;30(1):34-38. doi: 10.1097/PEP.0000000000000460.
Children with cerebral palsy have motor dysfunctions, which are mainly associated with the loss of motor coordination. For the assessment of motor coordination, muscle synergies calculated by nonnegative matrix factorization have been investigated. However, the characteristics of muscle synergies in children with cerebral palsy are not understood.
This study compared the number of muscle synergies during gait between children with cerebral palsy and children with typical development and clarified whether certain clinical parameters differed according to the number of synergies.
Children with cerebral palsy had significantly fewer synergies than children developing typically. The extent of spasticity and gait kinetics differed according to the number of synergies.
Increases in the number of synergies are limited by severe spasticity. The muscle synergies calculated by nonnegative matrix factorization have the potential to enable the quantification of motor coordination during gait.
脑瘫患儿存在运动功能障碍，主要与运动协调能力丧失有关。对于运动协调能力的评估，已经对通过非负矩阵分解计算出的肌肉协同作用进行了研究。然而，脑瘫患儿肌肉协同作用的特征尚不明确。
本研究比较了脑瘫患儿和发育正常儿童在步态过程中的肌肉协同作用数量，并阐明了某些临床参数是否根据协同作用数量的不同而有所差异。
脑瘫患儿的协同作用数量明显少于发育正常的儿童。痉挛程度和步态动力学根据协同作用数量的不同而有所差异。
协同作用数量的增加受到严重痉挛的限制。通过非负矩阵分解计算出的肌肉协同作用有可能实现对步态过程中运动协调能力的量化。
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