Oh boy! We're getting a little meaner with our British Military Fitness four minute challenges now. If you like "Bring Sally Up" you're going to love this! All you need is a small patch of floor space and we guarantee that we'll have your arms and core screaming faster than you can boil a kettle!
Make sure you're nice and warm before getting started. To help with that, scroll down to the second video below, which is a simple four minute warm up. You can also check out our other four minute challenges here.
Once you've done it, let us know how you got on in the Mudstacle Community Facebook group.
And here's the warm up: