Insider's Guide to Stability Balls
I Like This! (5)
.focus())
2. Ball Crunch
Sit on the ball and walk your feet out and forward of your knees, sliding your butt down so your body is at a slight incline. Press palms together in front of your chest, keeping a tennis-ball-size space under chin. Pressing lower back into ball, lift upper body and crunch up. Hold one breath and return to starting position. Work up to 3 sets of 10 to 12 reps.
Challenge yourself: Walk feet closer to ball and lift butt; raise arms straight overhead.
Next: 3. Ball Bridge
