Back Acupressure Chart - with Potent Points to Benefit each of the Organs - each segment of your back corresponds to & benefits certain internal organs. these are “Yu” points: For Colon Problems, such as constipation, IBS or even colitis. To strengthen that area place firm pressure on the Lg Intestine points. use a couple of tennis balls in a sock, place balls under lower back & lay on them for a few minutes. For Shallow Breath: use balls on Lung Yu points / Upper back ~☆~