If your surgical wound becomes infected, the area is more likely to become weak. You may also get a hernia next to a stoma. A stoma is an opening in your abdomen that drains stool from your bowels. Muscle strain: Heavy lifting and pregnancy can strain the muscles in your abdomen.
WHAT THEY DO... Active trigger points cause muscle pain. Latent trigger point can cause stiffness in a muscle. Triggers are created by a protective mechanism in your body - a message that tells a muscle to tighten up to prevent further damage.
When pressing on trigger points, many people feel no pain or discomfort. Sometimes, trigger points become very sensitive, and some people feel significant pain in areas where they have trigger points. Research indicates that no one really knows what the exact tissue is that makes you feel trigger points. It is also unknown why some people feel pain when touching muscle knots and some people do not. There are two types of trigger points that physical therapists treat: active and passive trigger points.