Question

Why does Knee-jerk when you hit it?

Answer 1

Knee jerk reflex

1. Knee jerk reflex is a type of reflex that is typical of a monosynaptic pathway that takes place in the spine.
2. This happens when you tap the knee right below the thigh.
3. The knee-jerk reflex, otherwise called the patellar reflex, is a straightforward reflex that causes the constriction of the quadriceps muscle when the patellar ligament is extended.
4. The course of the reflex circular segment from muscle axles in the quadriceps muscle to engine neurons that cause the development of the leg.
5. It is used to test the reflexes in the body.