Lie face-up and rest your feet on the ball. Bend your knees 90°, rolling the ball toward you a bit. Brace your abs, and drive through your heels to raise your hips into the air until they’re in line with your torso.

home equipment, GYM, swiss ball
Lie face-up and rest your feet on the ball. Bend your knees 90°, rolling the ball toward you a bit. Brace your abs, and drive through your heels to raise your hips into the air until they’re in line with your torso.