Unverified85% confidenceDecision RuleTime unknown
护具尺寸应以关节上下5cm处的肢体周长选择，膝盖周长测量应在半蹲发力状态下进行，避免站立测量导致运动时勒紧
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85%
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Long-term
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Unverified选购前必须测量关节围度而非凭衣服尺码：膝盖选购测量髌骨中心上方15cm大腿围，护腕测量腕关节周长，护踝测量脚踝最细处。尺码偏差>2cm会导致要么压迫循环要么滑脱失效87% similarUnverified选购时腰围应对照实测臀上骨盆处周长而非裤子尺码，护腰有效支撑区间通常为标注值±5cm，超出后弹力衰减、支撑失效87% similarUnverified尺寸选购看关节周长而非衣服码数：膝护具量髌骨上方15cm处大腿围，踝护具量脚背+脚踝8字围，弹性绑带式比套筒式容错高，介于两码间选可调绑带款86% similarUnverified膝关节护具测量髌骨中心上方15cm处大腿周长选码，而非直接量膝盖，绑带式护膝以髌骨下缘周长为准86% similarUnverified套筒式护膝按大腿或髌骨中心上方15cm处周长选码，绑带式按膝盖中心周长选码；量围度时膝盖应微屈30度而非完全伸直，否则运动时会偏紧86% similar
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