[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

6-9岁儿童选田径课应优先选综合跑跳投启蒙课而非单项专项,此阶段骨骺未闭合,过早专项化(如只练短跑或跨栏)会导致动作模式单一、易积累劳损;建议每周1-2次、每次60-90分钟,专项细分(短跑/中长跑/跳远/投掷)留到10岁以后

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