Dumbbell is a simple instrument to strengthen muscle strength training. Used for muscle strength training and muscle compound action training. Long-term practice of dumbbells can modify muscle lines and increase muscle endurance. Regular practice of weight-bearing dumbbells can make muscles strong, strengthen muscle fibers and increase muscle strength.

2. Kettle bell

When using kettle bells for fitness exercise, you can do various exercises such as pushing, lifting, lifting, throwing and squatting. The difference between kettle bell training and dumbbell and barbell training is that kettle bell can effectively improve the overall explosive force, so kettle bell and stone lock have been loved by fighters and martial artists from the beginning.

3.barbell

Barbell is a core training equipment, which is also used in weightlifting. Barbell is a kind of weight training, which only uses barbell training equipment to improve muscle strength training. You can also use barbells for core training to promote overall coordination. Barbells are widely used, regardless of the muscles of shoulders, back, arms, chest and other parts. With barbells and iron pieces of different weights and special muscle strength training skills, muscle endurance training has been done to the whole body muscle groups for many times, so that fat burning can be transformed into bodybuilding lines, muscle strength can be enhanced, body core ability can be enhanced, and muscles that are still slack after long-term exercise can be improved.

Step 4 Stretcher

Stretcher is a kind of equipment suitable for mass fitness, which can be divided into spring stretcher, belt stretcher and pulley counterweight stretcher according to different materials. When the spring stretcher exercises, the number of springs can be adjusted as needed to adjust the strength. Belt tensioner is made of rubber, with two ends shaking hands and rubber strip in the middle. Tension is determined according to rubber strip's tightness. The pulley counterweight tensioner is mainly composed of crown block, counterweight and steel wire, and the weight of counterweight can be adjusted freely.