The planPerform one or two sets of the indicated reps three to five times a week.

Combine them with calorie-burning cardio and we promise you’ll never have to suck it in again!

Technique tipAbdominal exercises shouldn’t be a pain in the neck (literally).

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Bend forward and place hands on floor near feet.

With hands planted, bend left knee as you slide right leg across body (as shown).

Bend left knee and pull left leg into chest as you lift hips toward ceiling (as shown).

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Squeeze butt to lift hips off floor as high as you might.

Lower hips to floor, then lift them off floor, bringing knees toward chest (as shown).

Return to start; repeat.

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Return to start; repeat on left side for one rep. Do 15 reps.

Bow wow!

Works:Works abs, back, hips

Kneel with hands behind head, elbows out.

Return to start; repeat.

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Return to start; repeat.

Do 15 reps. Switch sides; repeat.

Oblique X

Works:Works abs

Lie faceup with arms and legs outstretched, forming an X.

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Hold for 10 seconds.

Return to start; repeat.

Return to start; repeat.

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Bring left knee toward chest, hands around shin.

Do 15 reps. Switch sides; repeat.

Keeping lower body and neck stable, bend torso to right (as shown).

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Do 15 reps. Switch sides; repeat.

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