Groin Crunch
Description
The groin crunch is the same as the frog crunch — performing crunches with soles of feet together and knees wide (butterfly position). The open hip position reduces hip flexor involvement for better ab isolation.
Muscle Group
Equipment Required
Groin Crunch Instructions
- Lie on your back. Soles together, knees wide (butterfly).
- Hands behind head or across chest.
- Crunch up — lift shoulders off the floor.
- Squeeze abs at the top.
- Lower under control.
- Butterfly position reduces hip flexor cheating.
- Aim for 15 to 20 reps.
- Focus on the ab contraction.
Groin Crunch Form & Visual

Groin Crunch Benefits
- Reduces hip flexor involvement
- Better ab isolation than standard crunches
- Open hip position is comfortable
- No equipment needed
- Beginner-friendly
- Effective for ab development
Groin Crunch Muscles Worked
- Rectus abdominis
- Obliques (secondary)




