Unverified85% confidenceDecision RuleTime unknown
跑步/训练裤优先选四面弹（4-way stretch）面料且弹性回复率≥85%，纯二面弹面料横向拉伸后容易膝盖处松垮变形
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85%
Confidence
Long-term
Relevance
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Unverified跑步类运动优先选含氨纶/弹性纤维5%-15%的面料，回弹性好的四面弹（4-way stretch）比二面弹在摆臂跨步时贴合更佳，氨纶含量低于5%的裤子会显硬且易膝盖处松垮变形85% similarUnverified判断裤腿弹性是否达标：双手横向拉伸裤腿面料能延展至原宽1.5倍以上并快速回弹无褶皱松弛，说明适合大幅度运动；回弹慢或留痕的属低弹面料83% similarUnverified面料弹力应达到四向弹力（4-way stretch），氨纶含量15%-20%为佳，低于10%会限制踩踏时膝盖弯曲的自由度83% similarUnverified跑步/训练类运动长裤优选含氨纶（弹性纤维）5%-15%的四面弹面料，低于3%的弹力面料在深蹲、拉伸时易产生束缚感83% similarUnverified深蹲、硬拉等大重量下肢训练需选四向弹力面料（含氨纶5%-15%），单向或二向弹力在下蹲到底时会限制髋部活动并勒住膝盖82% similar
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