Whether you're a frequent or infrequent gym-goer, there's a good chance you've done crunches. Crunches are a classic core-strengthening exercise. But while they may seem ubiquitous — heck, they're ...

Sit on the exercise ball with your feet flat on the ground and walk your feet forward as you lie back on the ball. Place your hands behind your head and perform crunches by contracting your abdominal ...

Sit-ups (where the upper body is lifted completely) and crunches (where only the shoulder blades lift off the ground) are classic abdominal exercises. Photo: Getty Images Sit-ups and crunches are two ...

Anyone who hits a gym regularly would have heard of bicycle crunches! They are a classic core-strengthening exercise that is a favourite of many trainers. Why? Because it makes you feel the burn in ...

Planks are better at building core strength because they engage the deepest layer of your ab muscles. Crunches mainly target the surface abs—the “six-pack” muscles—and are better at improving ...

Many people don’t use correct form when doing core workouts, which puts stress on the neck and back. Neck pain is an especially common complaint when people do abdominal crunches. Although crunches ...

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...