10kg Poly Urethane Commercial Cpu Dumbbells

Polyurethane is a kind of polymer which contains carbamate characteristic unit in the main chain. This polymer material is widely used in adhesives, coatings, low speed tires, gaskets, car MATS and other industrial applications. Polyurethane is used to make various foams and plastic sponges in everyday life. Polyurethane is also used to make condoms, such as Okamoto 001, and medical devices. Another characteristic of polyurethane is its very low thermal conductivity. This is the most high-end dumbbell on the market, with high biological safety and no smell. You can breathe easily while sweating.

The benefits of long-term exercise with dumbbells:

1. Long-term practice of dumbbells can modify muscle lines and increase muscle endurance. Frequent dumbbell exercises with heavy weight can make muscles strong, strengthen muscle fibers, and increase muscle strength.

2. It can exercise the upper body muscles, waist and abdominal muscles. For example, when doing sit-ups, hold the dumbbells at the back of the neck with both hands, which can increase the load of abdominal muscle exercises; hold dumbbells for lateral flexion or body rotation exercises, which can exercise the internal and external oblique muscles; Forearm raises, lateral raises, etc. can exercise shoulder and chest muscles.

3. Exercise lower body muscles. Such as squatting with one foot with dumbbells, squatting and jumping with both feet, etc.