Shikinmyaku (屍筋脈, Dead Muscle Pulse) is a kekkei genkai which gives its wielder the ability to manipulate their own body as well as its structure by manipulation of the cells that make up various parts of the body, including the (dermis and epidermis), muscles (myofibril and myofilament) and bones (osteoblast and osteroclast), as well as organs, among others. By doing this, they can manipulate the growth rate, appearance and properties of their body to their liking. This ability manifested first in the Wushazaki Clan leader then afterwards, it manifested through the generations, including Tekken Wushazaki, and his children, Techno Wushazaki, and Shiro Wushazaki.