Unverified80% confidenceTradeoffTime unknown
圆盘直径40cm以上稳定余量大但摇摆行程小,35cm以下失稳幅度大、更难;直径越小越考验踝关节控制,康复初期选大直径低失稳
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified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81% similarUnverified长柄杆身长度选25-35cm可减轻弯腰负担,超过40cm则单手操控精度下降、夹取力度传导变弱,老年养宠人建议30cm左右平衡省力与操控80% similarUnverified调节范围越宽(如2-24kg)的可调哑铃,其底盘和结构越复杂,整体单只长度往往超过40cm,握把外的配重盘容易在窄距动作(如二头弯举)中碰腿或影响动作幅度80% 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79% similarUnverified手柄长度25cm以上可减少弯腰幅度,适合深盆/顶入式猫砂盆或有腰背问题的用户;短柄(<20cm)力矩小铲结团更省力但需俯身操作78% similar
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