[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

直径选择上,14-15cm为标准,滚压幅度大、稳定性好;10cm小直径更贴合小腿、足底等曲面且便携,但滚动时身体重心不稳需更强控制力,初学者不宜首选小直径

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80%
Confidence
Long-term
Relevance
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get_claim(id=163074)