Cramp – we've all experienced a random, crippling muscle spasm at some point. Maybe in the middle of the night for absolutely no damn reason at all, or when you're innocently strolling down the street.

According to the American College of Sports Medicine, muscular cramps during exercise are attributed to dehydration and low sodium levels in the blood, or overworked muscle fibers.

But what causes random, intense muscular cramps when you're not exerting yourself?

Take a look at this video from Life Noggin explaining the reflex arc in the body and what causes random cramp