1, content: Ordinary people only need to do general warm-up activities during physical exercise without special warm-up activities. General warm-up activities mainly refer to general warm-up exercises, such as running, kicking, bending, moving feet and wrists.
2. Time and quantity: mainly depends on the content of physical exercise. For half an hour's physical exercise, the preparation time is generally around 10 minutes. When the temperature is low, the preparation time can be longer and the dosage can be slightly larger; When the temperature is high, the time can be shorter and the amount can be smaller.
3. Time interval: most people take part in physical exercise; After the warm-up activities, you can continue to exercise without taking a break, otherwise the effect of warm-up activities will be reduced.