Exercise Scientist ENRAGED By Mark Wahlberg's Hollywood Workout
18:12
Exercise Scientist Destroys Mark Wahlberg's INSANE Training
20:29
Exercise Scientist Critiques Chris Pratt's INSANE Transformation
22:31
Exercise Scientist Critiques Dave Bautista's Hollywood Workout
6:42
James Joins Mark Wahlberg's 4am Workout Club
40:01
Gymnastics Core Workout. No Equipment.
18:42
Exercise Scientist Critiques Mike O'Hearn's Training
20:20
Exercise Scientist Destroys The Rock's Training
5:28