symptoms of brain spinal cord and nerve disorders
brain, spinal cord, and nerve disorders
Weakness
Many people mistakenly say they feel weak when they really mean they are tired or their movement is limited because of pain and/or stiffness. True muscle weakness results only when one part of the pathway necessary for voluntary muscle movement (from brain to muscles) malfunctions. If weakness becomes severe over a few days or less or if people have any of the Warning signs associated with weakness, they should see a doctor immediately. Often, doctors can determine whether the problem is true muscle weakness and can identify the cause based on the pattern of symptoms and results of the physical examination. Physical therapy is usually helpful in maintaining strength no matter what the cause of weakness is. 