スティーブ・クックのインスタグラム(stevecook) - 6月2日 01時15分

INTENSE new ab exercise for y'all to try! The key to the this movement is the Thoracic twist -to generate a violent punch. This is as about as explosive as a ab movement gets and will leave your core burning. We do these in the big/lean program. Pre-registration is open right now! PS what should we call these? I'm thinking we call them "vanilla gorilla slaps" in honor of @jacobhutton1?

[BIHAKUEN]UVシールド(UVShield)

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