Push-ups yog kev cob qhia tus kheej qhov hnyav, tsis txhob saib xyuas qhov kev txiav txim siab no, ntau tus neeg tsis tuaj yeem ua raws li 30 tus qauv thawb-ups ib zaug, thiab txhim kho kev cob qhia push-ups, xws li nqaim nrug, thawb dav dav. -ups, qis inclined push-ups, thiab lwm yam. Nws yog qhov nyuaj dua. Yog koj yog peb...
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