woman with stomach pain

Abdominal Muscle Spasm


Healthgrades Editorial Staff

What is abdominal muscle spasm?

Abdominal muscle spasm, also known as abdominal rigidity, is a powerful, involuntary contraction of the muscles of the abdomen. During a spasm, the muscle will feel stiff and tender if you apply pressure. The major abdominal muscles include the transversus abdominus, the deepest layer