Archive for the ‘Physiology’ Category

Ouch: Why getting kicked “there” hurts so much …

August 8, 2012

One of the America’s Got Talent quarter-finalists this year was a nasty guy named Horse.

His talent: an ability (and willingness) to take repeated shots to the  family jewels.

Warning: viewer discretion advised … guys, it may hurt just to view the clip or read the scientific info below..

click for AGT video

Fortunately, Horse didn’t pass through to the semi-finals.

But, he got me wondering …

Why does it hurt so much?

Here’s the scientific explanation.

Excerpted from

More than any other bodily injury, getting hit in the family jewels is probably what every man dreads most … of all the spots on the human body, none register the same kind of incapacitating, end-of-the-world pain .

What causes such inconceivable pain?

Well, for starters, because of nerves, it’s gonna hurt.

Unlike most other parts of your body, though, the scrotum lacks protection in the form of bones, large muscle mass, and fat …. it   absorbs the whole force of the blow all on its own.

Second, the groin has a ridiculously high number of sensory nerve endings, and such generous innervation makes good and bad touches alike very “noticeable” sensations.

And the pain doesn’t just stay down there …  It  radiates throughout the groin and up into the abdomen (and, psychically, out to every other dude standing within a few feet), leading to a weird stomach ache.

This is the work of a phenomenon known as referred pain, which is when a sensation originating at one spot travels along a nerve root to other parts of the body and is perceived as happening there, too.

The pain starts in the groin and travels up the perineal and pudendal nerves and the spermatic plexus … to the abdomen and  around the spine.

* * * * *
Design flaw ?

Why is such a sensitive and delicate body part just hanging there in the open?

The placement of the testicles is inconvenient, but absolutely necessary.

The testes’ job is to produce sperm, and sperm are very fragile. They’re extremely sensitive to high and low temperatures, and must be kept away from the rest of the body.

They can handle human body temps for only one to four hours, or the average amount of time it takes them to travel through the female reproductive tract and fertilize an egg.

Internal testes or any type of significant shielding for them would heat them up too much, too early and make them drop out of the race well before reaching the egg, rendering them useless.

Ken’s Take: (1) OUCH !  (2) Compelling proof that god is a woman.

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