Capitalize on the instability of an exercise ball, and try the tuck crunch. This move strengthens your core while toning your arms, chest, shoulders, and lower abs:
Get into a plank with your shins on the ball.
Pull your knees toward your chest, and then shoot legs back out. Keep your body in a plank the entire time.
Capitalize on the instability of an exercise ball, and try the tuck crunch. This move strengthens your core while toning your arms, chest, shoulders, and lower abs:
Get into a plank with your shins on the ball.
Pull your knees toward your chest, and then shoot legs back out. Keep your body in a plank the entire time.
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