NAMTPT - Symptom Checker - Serratus Anterior
A person with TrPs in the serratus anterior muscle may complain of a pain during deep breathing or a “stitch in the side” while running. The runner may press the area to relieve the pain to keep going. People also have difficulty laying on the affected side. A person may also complain of shortness of breath or cannot take a deep breath due to pain. They will not be able to finish a sentence without stopping to breathe.