Cun, guan, chi   The cun, guan and chi are three regions commonly used for radial pulse taking during TCM consultation. By taking the radial artery over the styloid process of the radius as the center and is considered as the guan region; that distal to it, the cun; that proximal to it, the chi.		cun, guan, chi 寸關尺   寸關尺是臨床上常用的診脈部位。以橈骨脛突為中點，將手腕部橈動脈搏動處分為三部份：脛突前(腕端)為寸，脛突處為關，脛突後(肘端)為尺。