

Julio C. Lopez, MS, CSCS
- Mar 21
Why Cardio Is Key: The Top Three Health Benefits You Can't Ignore
Cardio is one of those exercise activities that seems like everyone wants to avoid. It’s true that you don’t necessarily have to kill...


Julio C. Lopez, CSCS, NSCA-CPT
- Oct 17, 2019
Restrictive Breathing Masks Hinder Results
Restrictive breathing devices, such as the Training Mask and the O2 Trainer, are widely marketed as tools to intensify workouts and...