Yes. An example of a reflex is when someone taps the knee (patella) tendon softly with a mallet. Your knee lurches forward and your brain has no control over its movement. This is where the phrase ...

Do you remember the pediatrician tapping your knee to see if you had a strong involuntary knee-jerk reaction? This was to ...

Do you remember the pediatrician tapping your knee to see if you had a strong involuntary knee-jerk reaction? This was to test the stretch reflexes in your spinal cord, which resist muscle ...