Bladder 56 承筋 (Chéng jīn/ Shō-kin) Bladder 56 承筋 Chéng jīn (Chinese) / Shō-kin (Japanese) Bladder 56 Location: In the middle of the gastrocnemius muscle, 5 cun below Bladder 40, 3 cun above Bladder 57. Location Note for Bladder 56: Feel in-between the gastrocnemius muscle and move up and down in the region till you find the depression. Then feel for the tender spot, which is the point. Share this:TwitterFacebook