Mild bruise: Exercise can cause internal muscle bruising which may not be visible and feels like a knot. It should go away on rest or cold compressions.
Answered 7/6/2013
5k views
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