The Front Dorsy Bar is designed to train the entire back, working with all posterior muscle chains. This design has multiple handles that can be used for prone, semi-prone, or neutral grips, and different grips can frequently change the stimulation of muscles. The Front Dorsy Bar is equipped with a physiological load curve and a variety of grips, which can adapt to different training needs such as prone, semi-prone or neutral grip. Additionally, it offers a super-grip footrest and 6 additional weight holders to meet higher-level training requirements. As with all the products we select.This KY-PA82 exercise machine is designed with important biomechanics in mind. Research Topics. It is based on a complete study of the anatomy of each muscle and its behavior during movement. Ensure that the movements are brisk and progressive, the movements are flexible, natural, precise and smooth, and the muscles are highly concentrated