Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Regional Rehabilitation Centre, Queen Silvia's Children's Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden.
Phys Occup Ther Pediatr. 2021;41(5):529-539. doi: 10.1080/01942638.2021.1872757. Epub 2021 Jan 25.
To assess arm-muscle strength related to motor function in children with bilateral spastic cerebral palsy, 5-15 years old.
Muscle strength was measured for shoulder abductors, elbow extensors and flexors, wrist extensors, and grip strength. The children were grouped according to the Manual Ability Classification Scale (MACS).
Forty-two children were included. The majority of the children at MACS levels I-II were within the normal range; shoulder abductors were weakest (mean 60-80% of predicted value), and variation was greatest for wrist extensors.Children at MACS level II showed lower values than children at level I, with significant differences for shoulder abductors (=.028) and wrist extensors (<.001). Differences between the dominant and non-dominant side was greater in children at MACS level II and statistically significant for wrist extensors (=.024).Of 15 children tested for grip strength, nine were within the 2 SD range. The three children at MACS level II, all walking with a walker, had a higher mean value than those at MACS level I.
Muscle strength was lower and differences were greater between sides in children at MACS level II. Wrist extensors showed a decreasing trend with age as compared with normal development.
评估 5-15 岁双侧痉挛性脑瘫儿童与运动功能相关的手臂肌肉力量。
测量肩外展肌、肘伸肌和屈肌、腕伸肌和握力的肌肉力量。根据手动能力分类量表（MACS）对儿童进行分组。
共纳入 42 名儿童。大多数 MACS 水平 I-II 的儿童处于正常范围内；肩外展肌最弱（预测值的 60-80%），腕伸肌的变化最大。MACS 水平 II 的儿童比水平 I 的儿童显示出较低的值，肩外展肌（=0.028）和腕伸肌（<.001）有显著差异。MACS 水平 II 的儿童在优势侧和非优势侧之间的差异更大，且在腕伸肌方面具有统计学意义（=0.024）。在接受握力测试的 15 名儿童中，有 9 名处于 2 SD 范围内。三名处于 MACS 水平 II 的儿童，均使用助行器行走，其均值高于 MACS 水平 I 的儿童。
MACS 水平 II 的儿童肌肉力量较低，两侧差异较大。与正常发育相比，腕伸肌的年龄呈下降趋势。
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