Warm-up activities can not only reduce sports injuries, but also improve sports ability, improve joint flexibility and mobilize internal organs.

Warm-up activities are based on body fever, slight sweating and no fatigue, and mainly low-intensity activities. For example, you can do some knee stretching exercises first, then jog for a few minutes, preferably outdoors. Walk for a while after jogging, and appropriately increase the swing range of the arm; After feeling the temperature rise, do some stretching exercises.

Extended data:

Fitness precautions:

1, can't wear too little.

Some people think that outdoor sports only need to wear a thin layer of clothes, because it won't feel cold when exercising, but it will only generate more heat in the middle, and it will be affected by the external temperature in a few minutes. After rest and exercise, you should add clothes in time according to the weather changes.

2. Don't exercise excessively.

When exercising, never do strenuous exercise, and keep it within the acceptable range of the body, because excessive exercise or long exercise time will increase the burden on the body and cause discomfort.

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