MRI movie peers inside cracking knuckles
MRI scans of a man's fingers being pulled until his joints popped disproves the theory that the noise comes from the collapse of an air bubble
Full story: http://bit.ly/1HsL3wQ
Watch video MRI movie peers inside cracking knuckles online without registration, duration hours minute second in high quality. This video was added by user New Scientist 15 April 2015, don't forget to share it with your friends and acquaintances, it has been viewed on our site 518,825 once and liked it 916 people.