Latest

Do you do workouts geared to fast or slow twitch muscle fibers? Dr. Jaquish says you can't really train for a specific fiber type. Find out the facts.

Dr. Jaquish delves into the research and application of training in specific range of motion, the fatigue process in muscle cells, and the strength curve

Do you need to have a protein drink after you workout? Dr. Jaquish digs into the science and research to dispel the myth.

An alternative position for the tricep pushdown exercise, a workout using the X3 Bar for variable resistance training.

Dr. Jaquish talk about kipping, pull-ups and shoulder joint safety, and the fallacy of isolating muscle parts

Busting myths on Testosterone Replacement Therapy (TRT) and its correlation with building muscle

Increase the rate of growth hormones by incorporating instability in your workouts. Our new vibration plates are scientifically optimized for the best results.

Learn the truth about muscle confusion theory in the first episode of Falsehoods of Fitness. The goal of a workout is to trigger results not to be entertained.

Introducing a new series called the Falsehoods of Fitness, featuring research debunking common workout, nutrition, and fitness myths

Learn about Dr. John Jaquish, researcher, scientist, and his journey to inventing the X3 Bar

The X3 fitness device provides a work out that gives the best results, but takes less time than a traditional fitness regimen.

X3 bar is a strength training and fitness program and product. Compact and effective, getting you better results in a lesser amount of time.

The science about growth hormone production in the body, and how it is naturally triggered by specific strength training

Results and testimonials about significant weight loss and muscle gain from X3 fitness device customers

Learn about the X3 bar exercise product. Efficient strength training, simple compact equipment, made in the USA. Scientifically researched for optimum results.