help! - patient going into total extension - head, neck.....

This may make me seem really thick, but I've got a total mental block. I've been asked to advise on the physical management of a patient with .... and I can't remember the name of the problem. It's a chap with advanced dementia, who has recently started going into total extension - head, neck, spine, and now the limbs are joining in. I remember coming across this once as a student some 20-odd years ago, but obviously want to read up on it before I advise anyone - but I can't read up on it because I can't remember what it's called...
Any help would be appreciated.

(This post is missing and can not be restored)</pagetext>
</post>
<post>
<thread>N</thread>
<threadtitle>help! - patient going into total extension - head, neck.....</threadtitle>
<threadviews>192</threadviews>
<threadsticky>0</threadsticky>
<poll></poll>
<username>

Unknown


</username>
<dateline>1117599060</dateline>
<title>Unknown</title>
<pagetext>(This post is missing and can not be restored)

(This post is missing and can not be restored)</pagetext>
</post>
<post>
<thread>N</thread>
<threadtitle>help! - patient going into total extension - head, neck.....</threadtitle>
<threadviews>192</threadviews>
<threadsticky>0</threadsticky>
<poll></poll>
<username>

Unknown


</username>
<dateline>1117599060</dateline>
<title>Unknown</title>
<pagetext>(This post is missing and can not be restored)

(This post is missing and can not be restored)</pagetext>
</post>
<post>
<thread>N</thread>
<threadtitle>help! - patient going into total extension - head, neck.....</threadtitle>
<threadviews>192</threadviews>
<threadsticky>0</threadsticky>
<poll></poll>
<username>

Unknown


</username>
<dateline>1117599060</dateline>
<title>Unknown</title>
<pagetext>(This post is missing and can not be restored)