推下颌;
Methods: ( 1) Grip strength, strength of back muscles, chin-up and push-up of 770 male soldiers and students were assayed according to the standards of GJB;
方法:(1)对武警某部770名战士、学员按军标规定的方法和标准,测定握力、背肌力、引体向上以及俯卧撑等指标,并进行评价;
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