CalixDescription
Crunches on roman chair. Keep your torso straight, abs tight, and don't come up all the way vertical or lie flat to keep constant tension on your abs.
Muscles
Primary muscles
- Abs (rectus abdominis)
Secondary muscles
- Obliques
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Description and images from the open wger exercise database, licensed CC BY-SA 4.0 (authors: Wunschcoach, wger.de, MaddieBeasley). Translations by Calix are shared under the same license. Muscle diagrams: wger project (AGPL-3.0).