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in biomedical engineering from Rushmore University. His LinkedIn profile states he holds a Ph.D. John Jaquish invented X3 Bar Elite and the 12-week resistance training program. Jaquish's Book: Weight Lifting is a Waste of Timeĭr. You can email the company from their website. The company doesn't have a contact phone number but prefers to rely on email support. The company is located at 108 New Mohawk Road Nevada City, CA 95959. Jaquish Biomedical describes itself as a “ research and development group that applies new findings in human physiology to physical medicine and rehabilitation device design.” It's named after the owner of the company, Dr. Jaquish Biomedical is the name of the company. This site redirects to the Jaquish Biomedical website. An older name that is no longer used is Titan Biomedical (). The company is called Jaquish Biomedical. While both sides of this debate have their points, I'll just say they both make some sense. The debate of what's better – variable resistance or constant resistance – has been going on for a long time. With the X3 Bar system, the philosophy is variable resistance is better because it puts less stress on your joints where you are weaker and more stress at points in the range of motion, where you are strongest.

For example, if you do a biceps curl with 25-pound dumbbells, the resistance is 25 pounds when you start the exercise and 25 pounds when you finish the exercise.

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Free weights – barbells and dumbbells – give you a constant resistance. Variable resistance machines like X3 Bar are different than free weights. The same thing is also true for X3 latex fitness bands. They gave you more help where you are weakest and less help where you are strongest. I've seen are variable resistance machines. Most of the chest presses, leg presses, shoulder press machines, etc. Variable resistance machines are very common in fitness centers. When you are at the top of the rep (when your elbows are almost fully locked out) this is when the X3 bands are giving you the most resistance /tension. As you push forward, the resistance increases as the fitness bands are stretched. The resistance is less when you start to perform a rep and it's mostly when you're at the end of the rep.įor example, if you perform the standing chest press exercise with the X3 Bar, the latex fitness bands give you less resistance when you first start to push. Variable resistance occurs when the resistance (tension on the muscle) changes (varies) as you perform an exercise. This phrase comes up a lot on the X3 website and videos. To understand how the X3 Bar system works, I need to tell you about variable resistance. My thoughts on these were related to using proper form, band placement, and mainlining a constant grip on the bar. As I watched the videos, a few of the exercises, I'd use suggest caution with such as:

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There are videos that describe how to do each of the exercises. Different exercises are performed each week. The X3 Bar system comes with a 12-week exercise program. Going to absolute fatigue appears to be very important to how well X3 Bar works. Can you do more than 1 set? Yes, but it's generally not needed according to the company. Some of the exercises in the X3 Bar 12 week program are familiar to many such as:Įach X3 exercise consists of only 1 set performed to absolute fatigue. There is also a foot placement plate that you stand on which allows you to perform lower body exercises.

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