Pathologies of 3 foot Yang channels manifested at the surface

Wood cut illustration from an edition of 1724 (2nd year of the Yongzheng reign period of the Qing dynasty). showing the ways in which pathologies of the three foot Yang channels are manifested in the surface strata of the body; i.e. the foot taiyang channel is related to disorders of the skin, the foot yangming channel to disorders of the muscles, and the foot shaoyang channel to disorders of the 'semi-superficial, semi-internal' (banbiao banli) region.

IMAGE TITLE: Illustration of Yin and Yang, interior and exterior (with reference to the surface and integument). OTHER LETTERING: Surface (biao); bodily integument (zhou shen quqiao); skin; 1) foot taiyang; 2) foot yangming; muscles; 3) foot shaoyang 'semi-superficial, semi-internal' (banbiao banli) ; shangjiao (Upper Burner); diaphragm (gemo); stomach cavity (weiwan); internal (li); sanjiao (Triple Burner) [channel of] hand shaoyang; zhongjiao (Middle Burner); gall bladder [channel of] foot shaoyang within the liver; stomach [channel of] foot yangming; small intestine [channel of] hand taiyang (Great Yang); bladder [channel of] foot taiyang (Great Yang); xiajiao (Lower Burner); large intestine [channel of] hand yangming