Why do Knuckles Crack? Knuckle Cracking Science and History

In which your biggest knuckle-cracking questions are answered: Why do knuckles crack? Is cracking knuckles bad for you? We journey across science and history to find out... or come as close as we can.

Thanks to patrons:
Libgov
Whitney Toftness

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References for this episode:

Creative Commons:

Multi-layer Barrier Technology for Carbonated Soft Drinks
by Husky Injection Molding Systems, LTD.
Creative Commons Attribution license (reuse allowed)

The Knuckle Cracker
by Rehab Medicine UofA
Creative Commons Attribution license (reuse allowed)

Real-time MRI of joint cracking
by PLOS Media
Creative Commons Attribution license (reuse allowed)

[eruyommo]

Xander! I didn't know I missed your excellent bad puns until I saw you publishing again.

[mrfreddorenton]

Unger must be one of the most diligent and temperate people ever. I can never KC without doing it to both hands.

[maxximumb]

After nearly 50 years of knuckle cracking / distraction manoeuvrers, I can report no signs of arthritis in either hand. Maybe you could collect data from all your viewers for your own study. Then when you need to contact the author of that paper, you might get a better response rate.

[sherylhosler]

I love your new art wall! And your puns!
Also, yay power calculations! (And I loved the self-deprecating humor about your "success rate of contacting knuckle-cracking researchers.")