上肢的外侧是手三阳经。手足三阳经在四肢的排列是阳明在前，少阳在中，太阳在后。手三阳经从手走头。

The three Yang meridians of hand are distributed on the lateral aspects of the upper limbs.The three Yang meridians of hand are arranged in an order,in which "Large Intestine Meridians" are the anterior ones, "Triple Energizer Meridians" the medium ones, and "Small Intestine Meridians" the posterior ones.Three Yang meridians of hand run from hands to the head.