HOW-TO “Flex” Your BACK! 💪🏻 #posingtips #knowledge, how to flex your back

4K Likes, 24 Comments. TikTok video from COACH JOE WACHS (@wachs): “HOW-TO “Flex” Your BACK! 💪🏻 #posingtips #knowledge”. how to flex lats. original sound - COACH JOE WACHS.

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