I have pretty regular bilateral, inappropriate reflex actions that vary in timing and amplitude. Hit one knee cap with a doctor s rubber hammer and both knees jerk up together or sometimes all four extremities jerk together if only one is tapped. I also have both types of tremors in both arms (right handed and condition is worse on right). Sometimes the entire body will have a major jerk. If I hold something very tightly with one of my hands, the tremors greatly increase. If done with both hands, then both will tremor in sync. Doctors still trying to find cause. Thoughts?