[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

四脚(四足)手杖底座宽度≥12cm时站立自稳能力显著提升,适合平衡功能较差、需要中途松手的使用者;但底座越宽越容易在楼梯边缘或斜坡上出现单脚悬空反而更不稳

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