RELATED: The 3 Best Ab Exercises of All Time
- Start in push-up position on hands and toes. Hands should be directly under shoulders.
- Lift your left leg off the ground, keeping it straight as you extend it toward the ceiling. Keep left foot flexed throughout the movement.
- Slowly lower your left leg until it is about an inch off the floor.
- Repeat by raising your left leg to the ceiling. Do a total of 15 reps on each side. Work up to 3 sets of 15 reps.
Found in: Fitness