The Original Plank, Start out by getting into a push-up position. Your shoulders, elbows, and wrists must be in a straight line. Your body should form a straight line from your shoulders to your ankles. If you were to place a broomstick on your back, it should make contact with your head, upper back, and butt. Tug your stomach button to your spine and keep your glutes and core engaged by...
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