A pulled (or strained) muscle could take a few days to feel better. Severe injury could take weeks to months. Find out what ...

Osteoarthritis, also known as wear-and-tear arthritis ... with peripheral neuropathy of the left arm might experience pain, numbness, tingling, and muscle weakness. An underlying health condition ...

Not even three months ago, Brandon Graham couldn’t make a muscle with his left arm. He had torn his triceps muscle on Nov. 24 and appeared lost f ...