Say the phrase “core muscles” and most people’s minds shoot to an image of a six-pack. But these six-pack muscles – the rectus abdominis – make up just a small portion of the core musculature, and ...

Google ‘YouTube workout’ and you’ll find various videos from the likes of Chloe Ting, Pamela Reif and Lilly Sabri. They’re all leading the fitness charge, and their workouts get millions of views. So, ...