Unverified85% confidenceDecision RuleTime unknown
瑜伽球应充气至微软而非绷硬——按压能陷入2-3cm为宜。全充硬球回弹过强易失衡且加大爆裂风险,新球首次充气应分两次(充80%后静置24小时再补足)以延展材质
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