The plastic movements of dumbbell arm include: dumbbell compound push, dumbbell side lift, dumbbell flexion and extension, etc.
The movements of chest dumbbell training include: bending T-stretch, small dumbbell hip bridge bench press, small dumbbell diamond bench press, small dumbbell flat-bottomed bird and so on.
The movements of arm dumbbells to increase muscles are: dumbbell bending and so on.
Shoulder dumbbell shaping actions include: dumbbell shoulder external rotation, reverse flying bird, 8 calligraphy and painting circles, etc.
The advantages of practicing dumbbells are that they can lose weight and shape, improve the flexibility of the body, eliminate nerve fatigue, improve memory and make the brain smarter.
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.
Auxiliary equipment for weightlifting and fitness. There are two kinds of fixed weight and adjustable weight. Dumbbell with fixed weight: cast with pig iron, with iron bars in the middle and solid balls at both ends for practice. Adjustable dumbbell: similar to a reduced barbell, round iron pieces with different weights are sleeved 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.
Refer to Baidu Encyclopedia entry? dumbbell