2. Relax your shoulders and elbows, make a fist naturally, and don't make a fist. The amplitude of arm swing should not be too large. The amplitude of swinging back and forth should be based on the principle of "no elbow in front and no hand in the back".
3. Relax the waist, slightly abdomen, let the abdominal muscles lean on the spine, and it is best to use abdominal breathing.
4. Raise your knees, tighten your hips, and swing your hips back and forth to avoid excessive forward leaning of the pelvis and reduce the influence of ground reaction on the pelvis.
5. Aerobic jogging should first land in the middle of the foot, so as to reduce the vibration and reduce the pressure on the calf and ankle tendon.
6. High stride frequency and small stride are the safest running postures. For runners, we must pay attention to the stride, focusing on breathing and stride frequency. It takes time to improve the stride frequency.