[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

四轮助行器越灵活越省力但刹车控制难度越高,坡道或平衡差的老人更适合两轮或固定式;固定式最稳但每步需抬起前移,会消耗体力,长距离行走不适合

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85%
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Long-term
Relevance
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