Dumbbell weightlifting and fitness exercise of a kind of auxiliary equipment, was named dumbbell practice without a sound. Light dumbbell is smaller than a barbell, dumbbell weight such as 6, 8, 12 and 16 pounds, the weight of the heavy weights have 10, 15, 20, 25, 30 kg, etc. Insist for a long time to practice dumbbell, can modify the muscle line, increasing muscular endurance and often do big weight of dumbbell exercise, can make muscles strong, strong muscle fibers, increase muscle strength. Like many dumbbell and kettlebell .punching bag fitness enthusiasts often through practice chest dumbbell.
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