Several things: Possibilities include muscle or ligament problems, nerve problems (e.g. Inflammationin the brachial plexus) among others. Often people with inflammation of muscle aren't really weak ( just hurts) while those with nerve problems are. Getting a good exam from physiatrist (pm&r doc) or neurologist might be a good idea.
Answered 5/4/2013
5.1k views
7 doctors weighed in across 3 answers
5 doctors weighed in across 3 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