"To sit cross-legged you need to have good hip rotation, as well as lower-back mobility so that you can get on the floor," explains Helen O'Leary, physiotherapist and director of Complete Pilates.

“The longer and more often you sit cross-legged, the more likely it is that you’ll have long-term changes in the muscle lengths and bone arrangements in your pelvis,” says Taylor.

1. Easy seat Tip: Your child can also sit in a chair or wheelchair rather than cross-legged on the floor. 2. Balloon breath 3. Cat and cow Tip: To add some more fun to it, you can have kids meow ...