The knee-jerk reflex, that sudden and involuntary extension of your lower leg when the area below your kneecap is tapped, ...

Hiccups, scientifically known as singultus, are involuntary diaphragm contractions often triggered by eating or drinking.

WITHIN the past decade, the use of electronic methods has laid bare much of the mechanism underlying the myotatic, or stretch, reflex of mammalian striated muscle. Outstanding among these advances are ...

If you’re having a hard time sensing when you need to go to the bathroom or are chronically constipated, you should see a doctor. You may have a disorder involving your defecation (pooping) reflex.

One of the most important functions of interneurons in the knee-jerk reflex is to mediate reciprocal inhibition. This process ensures that the contraction of the quadriceps muscle is accompanied by ...