A truly underrated bit of fitness kit, a Bosu ball (short for "Both Sides Up") has a dome side that's like a classic Swiss ball, and then also a flat platform base - and you can use it either way up, ...

Think: pulsing in a squat to target the glutes and quads ... "Unlike many exercise programs, which require a high level of physical fitness or prior expertise, barre is very beginner-friendly ...