What is arm weakness (bilateral)?
A person with bilateral arm weakness has muscle weakness in both arms. Weakness can be caused by malfunction of part of the brain, spinal cord, or spinal nerves. All of these structures play a role in stimulating the muscles to move the arms.

What are the symptoms of arm weakness (bilateral)?
Symptoms depend on underlying cause for the arm weakness. Associated symptoms may include muscles aches, fever, and arm numbness (bilateral).

How does the doctor treat arm weakness (bilateral)?
Treatment depends on the underlying cause for the weakness.