Your crunch-less guide to sexy flat abs

We tapped Dr. Abs for proven moves and a fat-melting cardio Rx that will leave you flatter in four weeks!
© Self // © Self

It's a cinch

Stand with feet hip-width apart, hands behind head, elbows out. Raise right knee and lower right elbow to touch (as shown). Return to start. Continue for 30 seconds. Switch sides; repeat.

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works external obliques, back

By SELF Staffers, SELF

1 of 7 Photo: Larsen & Talbert

Dead bug

Lie faceup with arms and legs extended toward ceiling. Slowly lower right arm and left leg until they hover above floor (as shown). Return to start. Switch sides; repeat. Continue, alternating sides, for 1 minute.

works transverse abdominis

2 of 7 Photo: Larsen & Talbert

One-arm squat thrust

Crouch, place left hand on floor, and jump back into a plank with right arm extended out to side (as shown). Jump feet forward. Keep right arm extended as you continue jumping feet back and forth for 30 seconds. Switch sides; repeat.

works rectus abdominis, external obliques, internal obliques, transverse abdominis, shoulders, arms, chest, butt

3 of 7 Photo: Larsen & Talbert

Genie abs

Stand with feet wider than hip-width apart, toes out, elbows bent and arms stacked at chest level. Squat, slowly shift torso to right (as shown), then left. Hold squat throughout as you continue shifting torso for 1 minute.

works butt, thighs, external obliques

4 of 7 Photo: Larsen & Talbert

Down for the count

Lie on left side with legs stacked, left arm extended, head resting on arm and right palm on floor in front of you for balance. Keep legs pressed together as you raise them toward ceiling (as shown). Hold for 1 count; lower. Continue for 30 seconds. Switch sides; repeat.

works internal and external obliques, transverse abdominis, back

5 of 7 Photo: Larsen & Talbert

Liftoff

Lie faceup with legs together and extended toward ceiling, arms at sides, palms flat. Slowly lift legs to raise butt and low back off floor (as shown); hold for 1 count; lower to start. Continue for 1 minute.

works rectus abdominis, transverse abdominis

6 of 7 Photo: Larsen & Talbert