Oblique Crunches Floor
Description
The oblique crunches floor is a side crunch performed lying flat with the knees dropped to one side. The position isolates the obliques on the top side as you crunch up against gravity. The simple bodyweight variation builds the obliques without any equipment.
Equipment Required
Oblique Crunches Floor Instructions
- Lie on your back on the floor.
- Drop both knees together to your right side, keeping shoulders flat.
- Position your hands behind your head with elbows wide.
- Brace your abs hard.
- Crunch your left obliques by lifting your shoulders off the floor.
- Lift the left shoulder higher than the right toward the ceiling.
- Squeeze the obliques at the top.
- Lower back down with control. Complete reps, then switch knee position to the other side.
Oblique Crunches Floor Form & Visual

Oblique Crunches Floor Benefits
- Direct oblique isolation
- No equipment required
- Builds oblique strength
- Easy to scale by changing range
- Useful for oblique specialization
- Strong mind-muscle connection
Oblique Crunches Floor Muscles Worked
- Obliques (internal and external)
- Rectus abdominis
- Core
Oblique Crunches Floor Variations & Alternatives
- Side Crunch
- Bicycle Crunch
- Russian Twist
- Side Plank





