Abdominal rigidity often occurs naturally in some people. Abdominal rigidity refers to stiffness of the muscles in the stomach area, causing abdominal pain and strange sensations when pressed or even just touched. You may have a problem if this sensitivity or pain occurs involuntarily.
When accompanied by abdominal pain or occurring on a single side, abdominal rigidity may indicate a more serious physical condition. A sore area in the abdomen may cause muscles to tense, which in turn, creates abdominal rigidity – one of the most prevalent causes of abdominal pain. Possible conditions that cause abdominal rigidity include: