All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a core movement as well. It's all about positioning. One great example of this is the V-sit ...

When most people think of a strong core or achieving abs, the first exercise that comes to mind is often sit-ups. While ...

To build strong abs, try a double to single leg v-sit, says celebrity personal trainer Nadya Fairweather (u-shape.co.uk). Starting on your back, lift your head and feet off the ground about an inch.

Seated exercises can train the deep abdominal and spinal muscles without floor sit‑ups. With your pelvis supported by the ...

Planks, sit-ups and bicycle crunches – you probably know the drill for a weekly core strength routine by now, and maybe it’s starting to feel a bit stale. So why not add some bite to your moves by ...

Sign up for CNN’s Fitness, But Better newsletter series. Our seven-part guide will help you ease into a healthy routine, backed by experts. Tired of sitting at that ...

A plank is a core exercise that requires glute and leg strength, as well as shoulder stability. To hold a plank, you need to keep your spine neutral and support it with your abdominal muscles. That ...

What are sit-ups, and why are they a high-risk exercise? An abdominal endurance training exercise, sit-ups help strengthen, tighten and tone the abdominal muscles. It is often done by gym-goers who ...