力由足起
Strength rises from the feet.
足太陽之筋,起於足小趾,上結于踝
The fascias of the Foot Uttermost Masculin, starts from the little toe, linking up to the ankle...*
In internal practices, working on the feet means first posture then motion. Still, before even exploring those, it may be opportune to describe exactly what has to be trained as far as the feet are concerned. For such purpose, the foot is divided into five parts.