When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images Bored of planks and crunches? Why not try mixing things up with a killer ab ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images We’ve said it before and we’ll say it again — when it comes to building a ...

Why: The bicycle crunch challenges your rectus abdominis (the outer six-pack core muscles) and your obliques, as well as the hip flexors and glutes. Doing the exercise standing up is easier on your ...

Both sit-ups and crunches can help target your core muscles, but there are key differences between the two ab workouts.

While many workout regimens flame out as quickly as it took them to start trending, others stand the test of time. Exercises like tai chi, running, swimming, hiking and yoga, for instance, have been ...

Tesco's £21.99 ab roller trainer targets upper and lower abs efficiently – the affordable home workout gear that fits around ...