Unverified90% confidenceDecision RuleTime unknown
跳绳长度选择:绳子踩在脚下,手柄拉至身体两侧,手柄顶端应到达腋下至肩膀之间。3-6岁身高100-120cm选2.0-2.4m,7-10岁身高120-140cm选2.4-2.8m,10岁以上身高140cm+选2.8m以上
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