The X develops muscle and strength throughout a full range of motion. Terminology-wise, isometric contraction refers to the person’s maximum effort against an immovable object while isotonic is the muscle contraction through the full range of motion. Put to practice by the X, an exercise begins with a 10-second isometric contraction, thereby fatiguing the muscle, then the […]

Odd Haugen talks about his new club “Training Hall”. He is interviewed by Proathlos and sits in front of an interesting wall. What is that? Well, guess what. We know his secret! If you also want to know HOW to use this tool, don’t hesitate to contact us and we are happy to help you out. […]