Bored of sit-ups? Try these six moves to develop your abs instead

A man performing a plank on the beach as part of an abs workout

Abs workouts and sit-ups have gone hand in hand for too long. We think it's time to mix up your midsection training for a more fun, effective workout. 

This circuit session will strengthen your abs without any equipment (although a yoga mat is recommended if you're tackling it on a hard floor at home). What's more, there isn't a sit-up or crunch in sight.