Archive for January 2nd, 2007
Daily Archive
Tuesday, January 2nd, 2007
Cracking Knuckles
I had always wondered what causes our knuckles to pop. What causes the cracking/popping sound when we bend or pull the fingers in our hands?
I found a very satisfactory explanation here.
Apparently, it is bubbles bursting in the synovial fluid surrounding our joints!
/img/button_xhtml.gif){kind=small}
/img/button_css.gif)
/img/button_rss.gif){kind=small}
/img/button_atom.gif){kind=small}