I tried this four-move bodyweight core workout, and it proved you don't need weights to build practical muscle

Harry Bullmore performing a tuck-up

Core workouts are important, I know that, but I sometimes struggle to muster the motivation to do them. 

To relight my training fire and inspire me to tackle more regular mid-section sessions, I decided to mix up my training and try a sit-up-free bodyweight routine I happened across on Instagram.