A quick Ab hit to either do by itself or add to one of your favourite Upper or Lower body routines.
Smash out 10 different exercises to keep things varied and dynamic and engage your core from every possible angle!
As you can see, Dave is outside for this one. So if you can, take a cue from him and do this one outdoors. The benefits of exercising in the fresh air and sunshine will make this 15 minutes even more transformational for your mood and energy levels.