Restless Leg Syndrome: Which Symptom Is a Diagnostic Feature?

RLS has several diagnostic features that distinguish it from other sleep-related disorders.

Which of the following symptoms is one of the diagnostic features of restless legs syndrome (RLS)?

A. Pain in the lower extremities that is induced by excessive physical activity
B. Vermicular movements in the lower extremities experienced usually just prior to sleep onset
C. An urge to move the upper or lower extremities, usually induced by rest
D. A throbbing sensation that leads to a feeling of inner restlessness
E. None of the above

Please consider a selection, then click here for answer and discussion.