Basically, a crunch is a more targeted and isolated exercise that only works your rectus abdominis (primarily your upper six-pack). A sit-up, on the other hand, has a larger range of motion and ...
If there’s an exercise that dominates the gym floor ... too far from your regular dumbbell curls, the hammer curl is an easy switch-up. As well as targeting your biceps, the hammer curl also ...
Sit-up to crunch to plank, back to sit-ups, and so on. While these exercises are effective for engaging your core muscles, they’re far from your only options. If you also like a more versatile ...