Pike and ExtendTargets: Abs, legs a. Lie faceup on mat with legs extended over hips, arms overhead. Crunch up, reaching hands toward feet. b. Keeping legs straight, bring arms back overhead as you lower upper back and left leg toward floor. Crunch up, lifting left leg over hips and reaching hands to toes. Switch legs; repeat. Do 20 reps, alternating sides.

Standing Side CrunchTargets: Obliques, legs Stand on left leg, left arm extended out to side at shoulder height, right foot lifted a few inches off floor to the side. Place right hand behind head, elbow bent out to side at shoulder level, then lift right knee toward right elbow. Do 15 reps; switch sides and repeat.

KAREN PEARSONLunge and TwistTargets: Abs, glutes, legs Stand with feet together. Lunge back with left leg, bending knees 90 degrees, and reach left hand to right foot. Stand up, lift left knee in front of you to hip height, and bring fists to chest, bending elbows out to sides as you twist left. Twist to center, lunge left leg back, and repeat. Do 15 reps. Switch sides; repeat.