Dumbbells are a simple device for strengthening muscle strength training. Its main material is cast iron, and some are covered with a layer of rubber.

Dumbbell album

Dumbbell Atlas (2 photos)

Its use is for muscle strength training and muscle compound motion training. Patients with low muscle strength due to exercise paralysis, pain, long-term inactivity, etc., holding dumbbells, can use the weight of dumbbells to resist active movement and train muscle strength.

Dumbbells can train a single muscle; if you increase the weight, you need the coordination of multiple muscles, or you can also train as a muscle compound movement.

An auxiliary device for weight lifting and fitness exercises. There are two types of fixed weight and adjustable weight. 1 fixed weight dumbbell. It is made of cast iron, with iron bars in the middle and solid balls at both ends. 2 adjustable dumbbells. Similar to the reduced barbell, a round piece of iron with different weights can be placed on both ends of the short iron bar, which is about 40 to 45 cm long, which can increase or decrease the weight when lifting weights or fitness exercises. Regular exercise of dumbbells can enhance muscle strength in all parts of the body.

In addition to iron dumbbells, there are wooden or dumbbells made of plastic. During practice, use the percussion sound of wooden dumbbells or plastic dumbbells to cultivate the coordination and rhythm of the practitioner. It is also possible to compose wooden dumbbells into a complete set of gymnastics action performances.

Using dumbbells scientifically can really get a good workout. According to some materials, Schwarzenegger’s bodybuilding muscles were mainly exercised by dumbbells. However, many people do not increase their strength or become fit after exercising with dumbbells. They are often disheartened, dumbbells are shelved, and even become a substitute for hammers. In fact, dumbbell fitness is very knowledgeable. If you don’t implement it, the exercise effect will be greatly disappointing.