Description
Sit on the edge of a chair, your upper body fully collapsed for a few seconds. Straighten up, push your chest inclined upward, pull back your head, look ahead and sway your lower back as much as possible. This is an exaggerated good sitting posture. Do the movement at a moderate pace. After the last repetition, reduce the outer position by about 10%, that will make you sit optimally!
Muscles involved
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