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Dr. Jaquish explains the technology and quality of X3 heavy bands and resistance band bar for resistance strength training.

Some people have smaller trapezius muscles, the muscles around the neck. Before those muscles develop, there is an alternate way to perform a tricep push down with the X3 bar strength and fitness device.

Dr. John Jaquish demonstrates how to do the perfect set with the X3 Bar, a variable resistance fitness device that is safe on your joints and delivers better results than weights.

Dr. Jaquish explains how to get into position for the X3 resistance band chest press exercise. These tips should help set you up for success with X3.

Phil Hernon and Dr. John Jaquish - Talk growth hormone triggering and smarter ways to lift heavy

Scientific research shows that resistance workouts are more effective than conventional strength programs. The X3 fitness device is developed from this data.