About this exercise
A floor-based oblique crunch performed with both legs dropped to one side, isolating the oblique muscles through a lateral curling motion while keeping the lower body rotated to reduce hip flexor contribution.
Lying Oblique Crunch
Step by step instructions, muscle activation and variants for the Lying Oblique Crunch.
EasyObliques
How to Perform
- Lie on your back and let both knees fall to one side, stacking them on the floor
- Place your hands lightly behind your head with elbows wide
- Engage your obliques and curl your upper body laterally toward your hips
- Pause at the top of the crunch, feeling the contraction in your side
- Lower back to the floor in a controlled motion, keeping tension in the obliques
- Complete all reps on one side before rotating the knees to the other side
Muscle Activation
Primary
Obliques
Secondary
AbsCore
Common Mistakes
Common mistakes content is coming soon.
About the Lying Oblique Crunch
The Lying Oblique Crunch is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.