There are many calisthenics that have no or only one and a half spans. Pay attention to what the teacher does. Actually, it's not a twist of the ass, but you jumped into a twist of the ass. Aerobics should have a straight back, a tight waist, and a chest and hips. It can be said that the whole upper body is tight and straight. . As long as the basic footwork and hand position are well practiced, others are all combinations of various movements.
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