| Title | : | Zac Efron's Muscular Physique Embarrasses Co-Star |
| Duration | : | 59 seconds |
| Uploader | : | Luke Sherran |
| Added On: | : | 17 December, 2023 |
| Views | : | 2.2M times |
| Likes | : | 0 |
| Source | : | YouTube |
Zac Efron gained 15 lbs of muscle to play Kevin Von Erich in the Iron Claw movie. His prep included multiple workouts per day, including old-school bodybuilding, and Olympic lifting on top of the wrestling training.All the cast playing the brothers gained
