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.
TRIGGER POINT: See Myofascial Trigger Point. MYOFASCIAL TRIGGER POINT: A hyperirritable spot, usually within a taut band of skeletal muscle or in the muscle's fascia that is painful on compression and that can give rise to characteristic referred pain, tenderness, and autonomic phenomena.