刘洹《每周两小时 在家就能练出好身材》
https://www.bilibili.com/video/BV1yt411x7GL?from=search&seid=8498613080511011732
刘洹:博宁健康
https://i.youku.com/i/UNTQ0NjE1OTE2?spm=a2hzp.8253869.0.0
瑞士球核心肌群激活训练:
https://v.qq.com/x/page/d0824f24jus.html?ptag=qqbrowser
15个健身球核心训练动作:
https://v.qq.com/x/page/b0770tdx5bl.html?ptag=qqbrowser
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