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"Kicking the butt on the stomach" actually makes the body axis straighten, and the waist, legs and hips become thinner together.

"Kicking the butt on the stomach" actually makes the body axis straighten, and the waist, legs and hips become thinner together.

Kevin Li
by Kevin Li 4:13 PM

"Kicking the butt on the stomach" actually makes the body axis straighten,…