Muscle weakness on both sides of the body in the legs, arms, and face.

You have muscle weakness that is not caused by pain.

There is often associated muscle weakness and sometimes heart problems can occur.

Over several days, muscle weakness in the legs and arms develops.

Stop taking it immediately, if you start noticing any muscle weakness.

Physical therapy should be considered for infants and children with muscle weakness.

The muscle weakness is present on the side of the stance leg.

If muscle weakness is the result of pain, the person may be able to make muscles work, but it will hurt.

The specific cause of Victor's muscle weakness is as yet not defined.

"I believe that most fall problems are due to profound muscle weakness from not doing anything," he said.