The IOC is making a PR push for their advances in gender equality at the London 2012 games. It is true that with the addition of women's boxing, all the sports are now open to men and women.
But a glaring instance of gender inequality is with the sport that is usually said to get the best TV ratings, women's gymnastics. The difference is in the disciplines. The men do 6 disciplines: floor, vault, pommel horse, high bar, parallel bars, and rings. The women do floor (but with music, which the men do not have), vault (but with the horse placed horizontal to the runway, whereas it is longways for the men), uneven parallel bars, and balance beam.
The resulting difference in demands produces a striking body dimorphism, with women gymnasts being very small and thin in the upper body compared to the men. Whereas in other sports with the same demands men and women athletes look the same: swimmers are shaped like swimmers, whether they are women or men, sprinters look like sprinters, distance runners like distance runners, rowers like rowers, weightlifters like weightlifters, boxers like boxers, etc.
Does this body dimorphism help to explain the popularity of women's gymnastics? More photos below the fold.