Bicycle Crunch (Bodyweight)

Also known as: Bicycle Crunch (Bodyweight).

Alternating elbow-to-knee crunch.

How to perform this exercise

1. Lie on the back with hands lightly beside the head, shoulders slightly raised and bent knees above the hips.
2. Rotate the torso so one shoulder approaches the opposite knee as the other leg extends.
3. Alternate slowly without pulling the neck or letting the lower back arch uncontrolled.