I have a mild sensation on right side of my abdomen. I think it may be from using strong muscle pressure to move my bowels. Could I have torn a muscle in this area? I have had this for several months. At first it was barely noticeable. Now I feel it, especially if I bend over. It seems less present when I go to sleep. It's preventing something worse that concerns me. Also, I sometimes wonder if it could be coming from a growth in my colon.