
How to do the Gorilla Chin/Crunch
- Hang from a chin-up bar using an underhand grip (palms facing you) that is slightly wider than shoulder width.
- Now bend your knees at a 90 degree angle so that the calves are parallel to the floor while the thighs remain perpendicular to it. This will be your starting position.
- As you exhale, pull yourself up while crunching your knees up at the same time until your knees are at chest level. You will stop going up as soon as your nose is at the same level as the bar. Tip: When you get to this point you should also be finishing the crunch at the same time.
- Slowly start to inhale as you return to the starting position.
- Repeat for the recommended amount of repetitions.
Muscles worked
| Role | Muscles |
|---|---|
| Primary | abs |
| Secondary | biceps, lats |
| Equipment | no equipment |
| Difficulty | intermediate |
| Type | compound |
Train the same muscles a different way
6 alternatives for the same abs, with and without kit.
Easier than the Gorilla Chin/Crunch
Same movement pattern, lower entry difficulty — work up from here.
Harder than the Gorilla Chin/Crunch
Superset the Gorilla Chin/Crunch with
Opposing lower back work — alternate sets without extra rest.
Common questions
What muscles does the Gorilla Chin/Crunch work?
The Gorilla Chin/Crunch primarily works the abs, with the biceps and lats as secondary movers. Barbell Rollout from Bench, One-Arm Medicine Ball Slam, and 3/4 Sit-Up train the same muscle, across 9 equipment types.
What equipment do you need for the Gorilla Chin/Crunch?
None — the Gorilla Chin/Crunch is bodyweight, so it works at home, in a hotel room or outdoors. Barbell Rollout from Bench and One-Arm Medicine Ball Slam also need nothing.
Is the Gorilla Chin/Crunch suitable for beginners?
It is rated intermediate. Start with One-Arm Medicine Ball Slam, 3/4 Sit-Up, and Air Bike and work up.
Where should the Gorilla Chin/Crunch go in a workout?
Early — the Gorilla Chin/Crunch is compound, working 3 muscle groups, so run it first or second while you are fresh, then superset Hyperextensions With No Hyperextension Bench and Barbell Deadlift later.
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