If sandbags are tied for a long time, it will have an impact. It takes about 30 minutes to untie it, otherwise it will lead to blood vessel blockage. Generally speaking, running should not be less than 65,438+00 minutes for fitness and 20 minutes for weight loss. If you run too much, your immunity will be suppressed. Strength training should mainly consider endurance, running is not necessarily the best project, because your physical load is too high.
Friends who want to lose weight can choose lighter (1-3kg) sand leggings or sand leggings to do body stretching exercises, front, back and side kicking exercises, aerobics and so on. , have a good weight loss and slimming effect.