Unverified88% confidenceDecision RuleTime unknown
足底筋膜炎和手部小肌群放松优先选直径6-7cm的小号硬质实心球，能精准点压深层扳机点；大肌群（臀腿背）用8-10cm大球分散压力避免过度刺激
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88%
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Long-term
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Unverified针对足底筋膜炎放松应选直径5-6cm的小球，可精准点压足弓；针对臀部、大腿等大肌群应选8-10cm大球，接触面积大更省力90% similarUnverified直径6cm左右按摩球适合脚底、前臂等小肌群精准点压，8-10cm适合臀部、大腿等大肌群，直径过小压足底会过于尖锐疼痛85% similarUnverified6cm小尺寸适合针对足底、前臂、颈部等小肌群精准施压，但不适合大面积肌群（如背部、臀部）的整体放松，大面积需求应选更大直径的球85% similarUnverified足底筋膜炎放松建议选直径40-60mm的小球或专用足底球，大球（80mm以上）弧度太大无法精准压到足弓痛点82% similarUnverified深层肌肉放松（如足底、臀大肌）选直径6-8cm硬质EVA或PVC实心球；浅层敏感部位（如颈部、小腿）选直径10cm以上、带凸点或软胶材质，避免压迫神经81% similar
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