Matters needing attention when tying sandbags for running:
1, if you are not over 20 years old, it is time to grow up, you'd better not practice like this.
2. The advantage of this exercise is to increase the strength of legs, especially calves, to lose weight and enhance bouncing. The disadvantage is that if you practice for too long or too heavy each time, it will cause permanent damage and even deformation to your knee joint and bare keys.
3. Do not train for more than 35 minutes or 5000m at a time, and the weight of one leg should not exceed 5kg. Wear it at the beginning of training, loosen it immediately after training, and don't wear it at ordinary times.