Instructions
Categorisation
| Category: | Crunch |
| Typical discipline: | Bodyweight/Calisthenics |
| Type: | Primary Isolation |
| Primary body segment: | Lower |
| Movement: | Pull |
Muscles
| Primary: | Rectus Abdominis |
| Secondary: | Oblique External, Oblique Internal, Transversus Abdominis |
Bodyweight percentage lifted
| Male: | 17.8% |
| Female: | 17.3% |