目的 探讨广州市6~9岁儿童握力及握力指数大小,为儿童肌肉和力量发育评估及临床测试标准提供参考依据。方法 2016年1-12月在广州市招募474名6~9岁儿童,采用Jamar握力计进行握力测试,并测量体重,计算握力体质量指数。结果 以1岁为一个年龄段,6~9岁男童左(右)手握力均值±标准差分别为7.9±1.7(8.5±1.9),9.5±2.0(10.3±2.3),11.0±2.8(11.6±3.0),12.3±2.5(13.2±2.8)kg;女生分别为7.3±2.0(7.7±2.0),8.3±1.6(8.9±1.7),9.8±2.3(10.7±2.5),10.2±2.2(11.4±2.7)kg;男童左(右)手握力指数均值±标准差分别为36.1±7.3(38.9±7.5),39.1±7.7(42.3±8.0),38.7±7.9(41.2±8.7),38.5±9.6(41.0±10.0);女童则分别为35.2±8.8(36.6±8.3),36.1±6.5(38.7±6.3),37.0±7.7(40.3±8.0),37.4±7.6(41.6±9.0)。男、女童右手握力、握力指数均显著高于左手,同侧手男生握力、握力指数在各年龄段均显著高于女生(P<0.05)。随着年龄增加,男女童握力均显著增高。男生左右手握力指数及女生左手握力指数在各年龄段间差异无统计学意义。结论 初步建立了广州市6~9岁学龄儿童握力、握力指数的参考值范围。
Abstract
Objective To investigate grip strength and grip strength index in children aged 6~9 in Guangzhou,and to provide reference for clinical assessment. Method A total of 474 children aged 6~9 were recruited in Guangzhou from January to December,2016.Hand grip strength was measured using Jamar dynamometer with standard test posture.Weight was determined and grip strength index was calculated. Results The values of hand grip strength of right (left) hand in boys aged 6~9 were 8.5±1.9 (7.9±1.7),10.3±2.3 (9.5±2.0),11.6±3.0 (11.0±2.8) and 13.2±2.8 (12.3±2.5)kg,respectively,while 7.7±2.0 (7.3±2.0),8.9±1.7 (8.3±1.6),10.7±2.5 (9.8±2.3),11.4±2.7 (10.2±2.2) kg for girls aged 6~9,respectively.For hand grip strength index,the mean values of right (left) hand were 38.9±7.5 (36.1±7.3),42.3±8.0 (39.1±7.7),41.2±8.7 (38.7±7.9),41.0±10.0(38.5±9.6) for boys and 36.6±8.3 (35.2±8.8),38.7±6.3(36.1±6.5),40.3±8.0 (37.0±7.7),41.6±9.0 (37.4±7.6) for girls,respectively.Both hand grip strength and hand grip strength index were significantly higher in boys than those of girls in each age strata (P<0.05).With increasing age,the hand grip strength of either side increased significantly regardless of gender (P<0.001).For hand grip strength index,no significant differences among different age groups were observed except for the right hands of girls. Conclusion The data provide reference for evaluating grip strength and grip strength index in children aged 6~9 in Guangzhou.
关键词
握力 /
握力指数 /
儿童
Key words
hand grip strength /
grip strength index /
children
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基金
广州市合生元营养与护理研究院“母婴营养与护理研究基金项目”(BINCMYF15006)
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