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|Body Building, Weightlifting Exercise, Power Training
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Dumbbells can train a single muscle; if you increase weight, you need the coordination of multiple muscles. It can also be used as a kind of muscle compound exercise training.
An auxiliary equipment for weightlifting and fitness exercises. There are two kinds of fixed weight and adjustable weight.
1. Fixed weight dumbbells. It is made of pig iron with an iron rod in the middle and solid balls at both ends for practice.
2. Adjustable dumbbells. Similar to a reduced barbell, round iron plates of varying weights are placed on both ends of the short iron bars, which are about 40 to 45 cm long, which can increase or decrease the weight during weightlifting or fitness exercises. Regular dumbbell exercises can increase muscle strength in various parts of the body.