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From: merrill@gigi.DEC (Rick GIGI::Merrill  DECRITE)
Newsgroups: net.med
Subject: knuckle cracking
Message-ID: <3413@decwrl.UUCP>
Date: Tue, 21-Aug-84 08:17:30 EDT
Article-I.D.: decwrl.3413
Posted: Tue Aug 21 08:17:30 1984
Date-Received: Thu, 23-Aug-84 03:41:11 EDT
Sender: daemon@decwrl.UUCP
Organization: DEC Engineering Network
Lines: 11

Kids whose bones are still growing can experience some tiny extra growth
and possible arthritis-like symptoms from EXCESSIVE knuckle popping.  

If they just want to do it to bug the girls/teachers then show them how
to put one hand over the other and pop the third knuckle of the hiddel
(hidden) hand into the palm of the top hand: makes a satisfying "pop"
and is not AS hazardous to growning joints.

In fact with a little practice you can get four successive pops from 
all four (hidden) fingers!