What exactly is happening when you crack your knuckles, what makes that popping sound?

Umm somebodies jaw?

atomicpunk on January 5, 2010, 10:14 am

Bending ur knuckles

tink41503 on January 5, 2010, 11:27 am

Something with releasing carbon dioxide built up in ur joints. Thus relaxation at that area.

meanmug on January 5, 2010, 11:58 am

None of the above.it s actually the synovial fluid in your joints shifting due to the cracking.

naiya on January 5, 2010, 12:15 pm

Cracking your fingers can cause permanent bone damage later in life.

punched on January 5, 2010, 3:11 pm

No it can't, its release of air, that's what a chiropracter told me. But I believe synovial fluid

lillasie on January 5, 2010, 6:20 pm

I remember my mom used to tell me it had something to do with liquid... but its not good

nohie on January 5, 2010, 11:47 pm

My mom said it will give you arthritis. So I don't do it. Mom's are always right

kelbat on January 6, 2010, 1:54 am

My mom said it would give me arthritis too, but a rheumatologist (joint dr) told me it's not true.

Anonymous on January 6, 2010, 8:03 am

Its pressure in you're joints reeleesing its actualy good for u

zack on January 8, 2010, 6:24 am