Dumbbell English dumbbell is an auxiliary equipment for weightlifting and fitness. Smaller than a barbell. The weight of light dumbbells is 6,8, 12, 16 lb (1 lb =0.4536 kg) and so on. The weights of heavy dumbbells are 10, 15, 30 kg, etc. Therefore, it is favored by the majority of fitness enthusiasts. Because there is no sound during practice, it is named dumbbell.

Dumbbell is a simple instrument to strengthen muscle strength training.

Its main material is cast iron, and some are covered with rubber.

Used for muscle strength training and muscle compound action training. Patients with low muscle strength due to sports paralysis, pain, long-term inactivity, etc. Holding dumbbells, you can use the weight of dumbbells to actively exercise against resistance and train muscle strength.

Dumbbells can train a single muscle; If you increase your weight, you need the coordination of multiple muscles, and it can also be used as a kind of muscle compound action training.

Simply put, it is fitness equipment, with iron at both ends.