There’s an interesting thread on the International Gymnast forum:
do you think there’s a pattern between a gymnasts peak age, and their body type?
The discussion is around whether ectomorphs (e.g. Nastia) can continue in Women’s Artistic Gymnastics longer than mesomorphs (e.g Shawn Johnson).
There’s no research to back this up. But my gut tells me yes. I think it’s true.
… and I can’t believe we are still talking about whether Shawn Johnson will make a comeback. How many months does she have to be off training before fans concede.

