Various: Irritation of muscles due to overuse or contorted positions; irritation of the intercostal nerves in the rib cage; irritation of thoracic nerve roots often from compression; irritating lesions deep to the muscle such as tumors, infections, etc.
Answered 10/18/2018
5.6k views
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question