We often talk about and hear of the core, but what is it? What is this core muscle everyone is talking about? Where is it? What does it do? Why is it important? Why and how should you train it?
All of these puzzling questions and more are answered in this entertaining video by Osteopath Simon Brocard, retelling some conversations he's had with his patients.
I hope you enjoy it! -- and learn a thing or two on the way :)