Muscles Worked
The pull-up is a compound pulling movement that builds a wide, V-tapered back while also developing arm and grip strength:
| Muscle Group | Role | Activation Level |
|---|---|---|
| Latissimus Dorsi | Primary | 90% |
| Biceps Brachii | Primary | 70% |
| Rhomboids | Secondary | 60% |
| Rear Deltoids | Secondary | 55% |
| Trapezius (Lower) | Secondary | 50% |
| Forearm Flexors | Grip | 60% |
| Core | Stabilizer | 40% |