CalixDescription
The Abdominal Crunch is a classic core isolation exercise performed on the floor or a mat. Unlike a full sit-up, it involves a smaller range of motion where you only lift your shoulders and upper back off the ground, keeping your lower back pressed firmly against the floor.
Muscles
Primary muscles
- Abs (rectus abdominis)
Secondary muscles
- Obliques
- Serratus anterior
Similar exercises
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Description and images from the open wger exercise database, licensed CC BY-SA 4.0 (authors: wger.de, amaesc, jptjptjptjpt). Translations by Calix are shared under the same license. Muscle diagrams: wger project (AGPL-3.0).