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A member asked:
What could worsening muscle weakness and pain in one arm be caused by?
7 doctors weighed in across 2 answers
Nerve impingement: can be caused by being sandwiched between two spinal bones, pressed by a bulging. It can cause muscle weakness and pain in one arm , finger numbness, etc. Prevention treatment is always recommended. See interventional pain management specialist for definitive diagnosis and management.
Answered 10/9/2017
4k views
Search for: PInched nerve in shoulder, neck, elbow, or wrist. EMG study and perhaps imaging will pin down.
Answered 10/9/2017
2.8k views
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