Junbi Undo is one name for a systematized series of stretching and strengthening exercises devised by Miyagi Chojun to assist is the development of the physical characteristics and power necessary to effectively perform the techniques of Goju-Ryu.

These exercises begin with the feet and work up the body, finishing with the neck and head.  While the majority of the techniques are performed solo, there are a few exercises that can benefit from a partner's assistance.