One kilometer and four minutes is a normal daily exercise, and it is a good choice to exercise on the treadmill.
Treadmill exercise also needs the correct method: (1), warm-up activities should be done before running on the treadmill, otherwise it will easily cause muscle strain of thighs and calves; (2) To use a treadmill, you must first understand your exercise limit. If the physical strength can't keep up, the setting speed is fast and it is easy to fall; (3) When exercising on the treadmill, be sure to abdomen and chest, and tighten back muscles; (4) Pay attention when running and listen to some relaxing music when burning.