13. Pike to Superman
Get into pushup position with your toes on the stability ball Opens a New Window. . Bend your hips and roll the ball toward you so your torso becomes vertical. Roll back so your body is straight again and extend your spine, then roll the ball up your legs so your body forms a straight line with arms extended overhead but hands still on the floor. You should look like Superman Opens a New Window. flying downward. That’s one rep. Pull with your lats to return to the pushup position and begin the next rep. Here are even more ab moves that use a stability ball Opens a New Window. .
Get into pushup position and bend your elbows to lower your forearms to the floor. Hold the position with abs braced.