上肢的内侧是手三阴经。手三阴经在上肢的排列是太阴在前，厥阴在中、少阴在后。手三阴经从胸走手。

The three Yin meridians of the hands are distributed on the medial aspects of the upper limbs.The three Yin meridians of hand are arranged as follows: "Lung Meridians" are the anterior ones, "Pericardium Meridians" the medium ones, and Heart Meridians" the posterior ones.Three Yin meridians of hand start from the chest to the hands.