Place of foot of the 5th Zhi should be controlled to nod in bottom opening line (H) need lumbar nest place is nodded (F) place of center of the anklebone outside mixing is nodded (P) .

• 在底口线要控制第五跖趾部位点（H）必腰窝部位点（F）和外踝骨中心部位点（P）。