Your Doctor's Knee-Jerk Reflex: How Not to Get Kicked

[riky]

Your Doctor's Knee-Jerk Reflex: How Not to Get Kicked

<p><a href="http://www.huffingtonpost.com/david-katz-md/your-doctors-kneejerk-ref_b_5695290.html?ncid=txtlnkusaolp00000592"><img src="http://l.yimg.com/bt/api/res/1.2/nbQp8h7y4T3GPmlwEzUAcA--/YXBwaWQ9eW5ld3M7Zmk9ZmlsbDtoPTg2O3B4b2ZmPTUwO3B5b2ZmPTA7cT03NTt3PTEzMA--/http://media.zenfs.com/en-US/homerun/huffingtonpost.com.rss/e663b814c63cb1736072369a40c4ebf5" width="130" height="86" alt="Your Doctor's Knee-Jerk Reflex: How Not to Get Kicked" align="left" title="Your Doctor's Knee-Jerk Reflex: How Not to Get Kicked" border="0" /></a>We are, I trust, all but universally familiar with the knee jerk, or patellar, reflex. A doctor taps the patellar tendon with a rubber mallet, and our leg kicks forward in response.The reaction is famously unthinking. In fact, it is literally so. What makes a reflex a reflex is that the brain is substantially uninvolved. The stretch of a tendon...</p><br clear="all"/>

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