How does the reflex beneath the knee cap make your leg “swing” when you hit it?

Question

How does the reflex beneath the knee cap make your leg “swing” when you hit it?

In: 136

Answer 1

Fun fact: I have Adis Syndrome which means that I have no large tendon reflexes such as the knee tap reflex. I always wondered why my knee didn’t do anything when a doctor would test it. Many, many years later my neurologist discovered it and dx’d me.