The barbell has a wide range of uses. Whether it is the muscles of the shoulders, back, arms, chest, etc., with the use of barbells and iron plates of different weights, multiple times of special strength training techniques are used to train muscle endurance for the whole body muscle groups. Fat burning, converted into bodybuilding lines, strengthen muscle strength, enhance body core ability, improve muscles that are still localized for a long time after exercise; in addition, it can delay muscle aging, increase bone density, prevent osteoporosis and other effects, improve endocrine To improve physical coordination, it is one of the sports for men and women who want to exercise.