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Oblique Crunches
Also known as twist crunches, oblique crunches come in many variations. These variations include both internal and external obliques. That’s why side crunches sometimes get called oblique crunches. For our purposes, I’m categorizing crunches that go across the body, like a twist crunch as the oblique crunch.
Body Parts Used
All crunches use the rectus abdominis, but oblique crunches place a lot of emphasis on the external obliques. These muscles are responsible for rotation and twisting of your spine.
Benefits
Strengthens your ability to twist or rotate your torso. Helps flex the spine and maintain control over abdominal muscles and helps stabilize your spine and pelvis.
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Instructions for a Proper Sit Up
- Lie on your back on a mat or bench
- Place your hands across your chest (easier) or behind your head (harder)
- exhale as you tighten your off the ground and toward one of your knees.
- Inhale as you return to nearly the starting position. Stop just before touching down and repeat for as many repetitions as desired.
Variations (all are good and valid options)
- Stay on one side until fatigue, then rest a bit before starting on the other side.
- Alternate from one side to the other.
- Alternate side-enter-other side-center.
- Do these exercises on a ball.
Similar Exercises
Sample Routine
If you were interested in a sit up workout, I suggest you instead see samples of complete ab workout routines.
Note: One exercise alone is not sufficient for any goal. All exercises should be part of a comprehensive exercise program. Also, see my list of exercises for more.