Actually people are spot on about the pilates.
My mum has been doing pilates consisitently for a year, she is very fit, swims every morning , does track workouts 3 nights a week, and does pilates twice a week, 60 years old and at her annual checkup yesterday she is 1.5 inches taller than she was last year... she has been doing the other sports for many years, but pilates only in the last year... so she thinks it has made her taller and convincing me to join it as well!