← Exercise library

CC BY-SA 4.0 · Everkinetic (via wrkout/exercises.json, packaged by yuhonas/free-exercise-db)
AbdominalsBodyweightBeginner
Cocoons
How to perform
- 01Begin by lying on your back on the ground. Your legs should be straight and your arms extended behind your head. This will be your starting position.
- 02To perform the movement, tuck the knees toward your chest, rotating your pelvis to lift your glutes from the floor. As you do so, flex the spine, bringing your arms back over your head to perform a simultaneous crunch motion.
- 03After a brief pause, return to the starting position.
Form cues
- Brace your core before the first rep and keep it braced.
- Lead with the elbows and finish by squeezing the target muscle.
- Control the lowering phase — that is where most of the growth stimulus lives.
Common mistakes
- Using momentum instead of the target muscle.
- Cutting the range of motion short to add load.
- Adding weight before the movement pattern is clean.












