You know you hate it. Your body knows that you hate it. Heck, anyone watching you puff, sweat and curse your way through any type of exercise knows that you hate it.

So why do you do it?

We have NO idea. Which is exactly why we're going to speak to a range of experts - doctor, fitness instructor - and some who are not quite as expert at this ridiculous thing called exercise.

You'll be informed, engaged, alarmed and amused. But whatever you do, DON'T strain yourself reaching for your phone to listen, laugh and learn.

See omnystudio.com/listener for privacy information.