ARX | FULL Interview w/ Dr. Doug McGuff | 10 year Anniversary of Body By Science
36:06
ARX | Dr. Doug McGuff - Full Workout on ARX
34:11
Choqué par ce que ce diététicien m’apprend
52:07
Dr. Doug McGuff - Area Under the Curve Physiolgic Headroom Across a Lifetime
18:57
Testing The FUTURE of FITNESS Equipment at IHRSA!
47:43
Boost Workouts with SLOW High-Intensity Interval Training | Dr. Doug McGuff
1:08:33
Doug McGuff: Resistance Exercise
1:07:08
Physical Conditioning for a Lifetime of Flourishing, with Doug McGuff
18:39