Fitness preparation activities are crucial for bodybuilders. The main reason why most fitness enthusiasts suffer sports injuries or enter the fatigue period prematurely during fitness is because they fail to do preparatory activities before fitness.
Pre-workout activities include warm-ups and stretching.

Warm-up exercise - as the name suggests, warms up the body. Warm-up exercise is a low-intensity exercise that slowly puts the body into a state of exercise, especially to adapt the cardiovascular system to the state of exercise, speeding up blood circulation to provide energy for subsequent muscle exercise. Jogging and cycling are the most commonly used and effective warm-up exercises.

Stretching exercise-stretching muscles, focusing on stretching according to the parts of the exercise, to prevent muscle strain. For example, to exercise your legs, you can do some stretching exercises such as forward leg press, lunge leg press, and side leg press; to exercise your chest, you can do chest expansion exercises; after understanding the role of stretching exercises, I think you can quickly find the corresponding stretch. sports.

For 40 minutes to 1 hour of dumbbell fitness, generally 5 minutes of warm-up exercise and 5 minutes of stretching are enough. The warm-up exercise can be adjusted accordingly as the fitness intensity increases.
At the same time, fitness preparation activities should also be carried out step by step, with a slow transition from low to high exercise intensity.