A member asked:

What can cause muscle twitching right below my left breast, around my rib cage?

A doctor has provided 1 answer

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

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