Sit-ups are a classic core-strengthening exercise, great for working the abdominal muscles near the surface of your torso.

The move is particularly effective at engaging the rectus abdominis, the muscle that runs vertically along the front of your torso. Sit-ups also work your hip flexors, the muscles that run from ...

Place your hands by your temples, with your elbows pointing out to the side. Lift your left knee, and at the same time, bend ...

In addition, the hip flexors start doing all the muscular work, which can result in a pot belly. A useful warning is that if when doing sit-ups any muscles other than the abdominals start to ache ...

Standing abs workouts are a great way to strengthen your core without using common exercises like sit-ups ... then you can work to address that imbalance over time. Sign up to get the BEST ...

“You can really go heavy on this exercise and they also work the rectus abdominis and the quadratus lumborum (the deep muscles of the ... obliques in a way that sit-ups and planks cannot do ...

No matter which variations you follow, crunches have the advantage over sit-ups of being able to better target abdominal muscles. "Because the movement is smaller, you can control momentum more," ...

It’s a bodyweight burner that will leave your midsection on fire ...

Tip: Lower your legs until you feel your core muscles activate. Muscle targeted: Lower abs 3. Russian twist Sit up straight with your knees bent and feet in front of you. Lift your feet about a ...

Standing abs workouts are a great way to strengthen your core without using common exercises like sit-ups, crunches and planks ... and with each you work for 60 seconds and then rest for 20 ...