There are several conditions colloquially called 'claw hand'. Some can be found in
this article, and others by googling:
claw hand and the
Searches related to same at the bottom of the first page of search results.
Dupuytren’s contracture, a genetic condition, afflicts many in the UK, including Margaret Thatcher and Bill Nighy.
http://www.dailymail.co.uk/health/ar...sufferers.html
See also:
http://en.wikipedia.org/wiki/Ulnar_nerve_entrapment
HTH,
Doc