It's clearly true the social pressure is different, but there is certainly evidence that physiologies are as well, e.g.: http://well.blogs.nytimes.com/2012/10/

It's clearly true the social pressure is different, but there is certainly evidence that physiologies are as well, e.g.: http://well.blogs.nytimes.com/2012/10/25/why-women-cant-do-pull-ups/ http://well.blogs.nytimes.com/2012/10/25/why-women-cant-do-p...