下肢的外侧是足三阳经。足三阳经在四肢的排列是阳明在前，少阳在中，太阳在后。足三阳经从头走足。

The three Yang meridians of foot on the lateral aspects of the lower limbs.The three Yang meridians of foot are arranged in an order,in which "Stomach Meridians" are the anterior ones, "Gallbladder Meridians" the medium ones, and "Bladder Meridians" the posterior ones.Three Yang meridians of foot run from the head to the feet.