Core exercise
Oblique Crunch
Crunch with a torso twist to work the obliques.
- Primary muscleCore
- EquipmentBodyweight
- MovementCore
- LevelBeginner
- Core
- Bodyweight
How to do the Oblique Crunch
4 steps, in the order you do them.
- Lie on your back with one leg bent and the ankle of the other leg resting on that knee.
- Bring the hand on the same side as the bent leg to your head, elbow out wide. Your other arm stays on the floor.
- Lift your shoulder off the floor and twist your torso to bring that elbow toward the opposite knee.
- Lower with control, complete all your reps, and switch sides.
Muscles worked
Common Oblique Crunch mistakes
What goes wrong most often when you do the Oblique Crunch, and how to fix it.
Your elbow closes toward your face to touch your knee.
Keep your elbow open and bring your shoulder toward the opposite knee by rotating your ribs.
The supporting leg lifts to meet your elbow.
Keep the supporting foot planted on the floor and let your torso do the reaching.
The hand behind your head pulls on your neck on every twist.
Rest your head in your hand without pushing it. Your neck follows your torso.
Alternatives to the Oblique Crunch
They work the core with other equipment, including options for training at home.
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More core exercises
Plank Shoulder TapCore · Bodyweight
Hanging Knee RaiseCore · Pull-up bar and bodyweight
Reverse CrunchCore · Bodyweight
Decline CrunchCore · Bench
Frequently asked questions
What muscles does the Oblique Crunch work?
The Oblique Crunch works mainly the core.