Unverified90% confidenceDecision RuleTime unknown

尺码选择需严格按LP官方量腿围对照表测量膝盖上方一定距离的腿围，偏大会导致铰链支条移位、支撑失效，偏小则勒得难受影响血液循环

1

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90%

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Long-term

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LP 758CN 髌骨稳定型护膝（铰链支撑）product_sku 护具支具category

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Unverified购买前务必按LP官方尺码表测量大腿围与小腿围，此类弹力结构护膝尺码偏差会导致髌骨环无法准确卡位，失去核心防护功能。88% similar Unverified选购时按膝盖上方15cm处大腿围而非小腿或膝盖直径选码，尺码偏大会导致运动中下滑失去加压效果，偏小则限制血流引起麻木86% similar Unverified尺码需按肢体周长精准测量而非按身高体重，膝护具量髌骨上15cm大腿围，踝护具量脚踝最细处，误差超过±2cm会导致压力不足或勒出淤血85% similar

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