Yes, you could fork out money on a costly personal trainer - but why bother when you've got a mini fitness expert in the house?
From what we can tell, the baby girl is going about her day-to-day activities of crawling, falling to the ground and being utterly adorable - and, in a bid to keep fit, her proud papa is copying her every single move.
Check it out:
Little Lilly Ann knows exactly how to break us out into a sweat, doesn't she?
Would you ever try this out for yourself? Do you think you will give it a go with your own little one?
Let us know your thoughts in the Comments Box below.