The patellar reflex
When somebody hits your petallar tendon (just underneath your patella), your lower leg will kick up by itself! This is known as the patellar reflex (also called the knee-jerk reflex). In normal situations, the patellar reflex helps to stand up straight and balance without having to think about it.
For more information watch this video.
Below you will see a couple of parts of the human body.
A. leg muscle (quadriceps)
B. cerebrum
C. cerebellum
D. sensory neuron
E. motor neuron
F. clavicle
G. interneuron
Of these words, only four are involved with the patellar reflex.
Which of the parts are involved?
Put those parts in the right order.
Answer: ... - ... - ... - ...
Extra assignment:
If you focus, you can stop the patellar reflex from taking place. A man named Ernő Jendrassik observed something strange. When a patient would hold their hands like in the picture below, they were not able to stop the leg from kicking up.
Try the following things yourself: