Dumbbell is a simple instrument to strengthen muscle strength training.

kinetic energy dumbbell

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.

Auxiliary equipment for weightlifting and fitness. There are two kinds of fixed weight and adjustable weight. ① Dumbbell with fixed weight. Cast with pig iron, with iron bars in the middle and solid balls at both ends. ② Adjustable dumbbells. Similar to a reduced barbell, round iron pieces with different weights are placed at both ends of a short iron bar about 40 ~ 45 cm long, which can increase or decrease the weight during weightlifting or fitness exercises. Doing dumbbell exercises often can enhance the muscle strength of all parts of the body.

Gripper is a small fitness equipment to exercise people's wrist and arm strength. Many men basically have grips at home, which is convenient for practice anytime and anywhere. The use posture of the grip includes one hand, two hands, upper grip, lower grip, double clamp and so on. Different postures are used to practice different parts. One hand is dominated by one arm, and both hands can practice the coordinated exertion of both arms. Practice the corresponding parts in other postures. Don't loosen it immediately after clenching, but keep it for about 5 seconds in a group for 20 times in a row, and the effect is better.

trait

The grip is small and light, easy to carry and not limited by fixed time and space; The exercise of grip strength can relieve fatigue, make the muscles of practitioners stronger, help promote blood circulation, maintain blood circulation of joints, and not easily lead to inflammation.

classify

Grippers can be divided into sponge grippers, rubber grippers, adjustable grippers and electronic grippers. At present, the electronic grip is more advanced, and the general sponge handle grip is commonly used.