On 01/05/2014 12:49, whisky-dave wrote:

"The new study found that men who could stand up from a chair and sit
down again less than 23 times in a minute were twice as likely to die in
the following 13 years than those who could 37 or more."

How or where did they get the 13 years from ?

And if you do the above a little too quickly how many men are likely to do their backs some damage.

Dunno, but 37 is actually quite hard - I just managed 39, and I'm
moderately fit.