Bladder Acupuncture points locations. You can dry brush vigorously daily, along the bladder meridian on the back of the thigh & leg, to improve blood circulation and help the lymphatic system. BL 38 is monthly used locally for pain behind the knee. BL 39 is the lower Sea point of the San Jiao making it great to drain excess dampness in the bladder. BL 40 is the commander point of the lower back! BL 55 & 56 are great for local pain and lower leg motor issues. BL 57 is a fantastic acupuncture poin