<span> A hurtful sensation in </span>the<span> legs that </span>is caused<span> by excessive stimulation of</span>the<span> nerve endings in </span>the<span> legs and results in extreme </span>discomfort<span>. </span><span>A not normal (abnormal) and involuntary increased response in </span>the<span> tissues connecting </span>the bones<span> to </span>the <span>muscles. </span>