[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

椭圆机的关节冲击接近于零(步幅曲线连续无脚部离地冲击),适合膝关节炎/骨密度低人群做有氧;而跑步机即使有减震带,每步冲击仍达体重2-3倍,膝关节问题者应避开

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90%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/198574
API
curl https://kongchang.com/api/v1/knowledge/claims/198574
MCP
get_claim(id=198574)