Muscle and Fitness Product Review: Marpo Kinetics


Muscle and Fitness Exercise Science Writer David Barr takes the Marpo Kinetics VMX multi-mode rope climber for a spin, at NSCA 2009.

Muscle and Fitness Power Optimization: Keiser


Muscle and Fitness Exercise Science writer David Barr gives the rundown of training for power and athletic performance with Dennis Keiser. From NSCA 2009.

Muscle and Fitness Training Optimization: Exerbotics


Muscle and Fitness Exercise Science Writer David Barr discusses optimal training with Exerbotics, from NSCA 2009.