Unverified83% confidenceDecision RuleTime unknown
扶手直径以32-40mm为宜，太细（＜25mm）握力不足，太粗（＞45mm）手掌无法完整环握，老人及握力弱者选35mm左右带防滑纹路款
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83%
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Long-term
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Unverified扶手直径以32-35mm最符合成人抓握人体工学，手小者或老人可选28-32mm；直径超过40mm握不牢，小于25mm支撑感不足90% similarUnverified扶手管径以直径32-38mm为宜，老人和手小者选32mm更易握合一圈；管径过粗（＞40mm）握不满导致抓握力下降，过细（＜28mm）承重和抓握稳定性不足90% similarUnverified承重越高、直径越粗（32-35mm）越稳固，但手小或女性/老人握不满一圈反而抓握无力；老人用手扶手外径建议28-32mm，兼顾握力与稳固90% similarUnverified扶手横杆外径选择32-38mm最适合手掌抓握，过细(<28mm)握不牢，过粗(>40mm)老人和手小者抓不满89% similarUnverified扶手管径粗细影响抓握舒适度，主流管径为25-35mm，手小或握力弱者选28-32mm更易握牢，过粗(>38mm)难以环握88% similar
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