ankle clonus (foot clonus) a series of abnormal reflex movements of the foot, induced by sudden dorsiflexion, causing alternate contraction and relaxation of the triceps surae muscle.toe clonus abnormal rhythmic contraction of the great toe, induced by sudden passive extension of its first phalanx.wrist clonus spasmodic contraction of the hand muscles, induced by forcibly extending the hand at the wrist.oe clonus abnormal rhythmic contraction of the great toe, induced by sudden passive extension of its first phalanx. wrist clonus spasmodic contraction of the hand muscles, induced by forcibly extending the hand at the wrist.
Best Answer: Motorcycles are generally louder because of the length of the exhaust system, comparatively to an automobile. The shorter you go, the louder you get.
5 Responses to âNew Street-Legal Harley-Davidson Touring Mufflers Tuned For Deep Tone And Strong Performanceâ. 1  1 Street legal. The 2 important words for me because I hate to have to deal with cops. 2  2 True, but âStreet Legalâ equates to just slightly louder than stock. Not worth the money for someone who is looking for something louder.