Persistent abdominal pain after exercise: An unexpected diagnosis

A 33-year-old male patient presented with pain in the abdominal muscles for 2 weeks. His complaint appeared after beginning strengthening exercises of the trunk muscles, and gradually increased in severity. He had no history of trauma to the abdominal region, comorbidities, complaints related to the gastrointestinal system, or drug use. A physical examination found nothing significant, except for tendernessin the left hypogastric area during palpation