Unverified88% confidenceDecision RuleTime unknown
四脚拐分大四脚和小四脚：大四脚（脚间距>18cm）稳定性强但笨重、难在楼梯使用；小四脚（脚间距<15cm）轻便适合室内和短距离，稳定性居中。偏瘫、平衡障碍严重者选大四脚
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified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82% similarUnverified三脚/单脚支撑的边几比四脚更省地、易移动，但重心偏移时稳定性差，台面直径超过45cm应选四脚或宽底盘款80% similarUnverified宽度选3-4cm为佳：太窄(＜2cm)反光面积不足且易勒紧脚踝，太宽(＞5cm)会限制脚踝活动影响蹬踏。兼具裤腿固定功能的可选4-5cm80% similarUnverified脚套接触面直径越大防滑越稳但越笨重且不便携，室内固定使用选大直径（35mm以上底面），需外出携带轻便拐杖选小底面款78% similarUnverified厚底/增高鞋（底厚≥4cm）视觉显腿长但重心偏高，脚踝力量弱或经常快走者易崴脚，底厚控制在3cm以内更稳78% similar
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