How to change the external eight characters?

To cultivate correct walking posture, we should not only know the requirements of correct walking posture and practice Jiang Fang, but also know some common incorrect walking postures, master some correction methods and correct them from time to time.

Correction method: ① When walking, always pay attention to the knees and toes always facing straight ahead. ② After walking on sand, loose soil and wetland, check the footprints to see if the toes are oriented correctly, and you can change them while walking. ③ along the track line of the sports ground or