The secret to building muscle is lifting heavier and with more repetitions. The X3 bar lets you do just that. By providing more resistance as you extend, X3 lets you train heavier and fully fatigue your muscles with less risk of injury than with weights. In a recent discovery looking at biomechanics, we see that humans are 7 times stronger in the impact-ready range of motion. This shows us that variable resistance is far superior than standard weight lifting because only variable resistance will

Week 5 Workout 1, wherein Dr. Jaquish swaps in a heavier band for the tricep pushdown, because he's made further gains just making these videos for you. | X3 Bar

4.2K views · 51 reactions | The last video in the X3 12 Week Program! | X3 Bar | Facebook

1.9K views · 37 reactions | Start your week with Week 7 Workout 1! | X3 Bar | Facebook

10 minutes a day is all you need. | X3 Bar

Do you have time for X3? This X3 workout was only 8 minutes and 17 seconds. | X3 Bar