Skip sit-ups and try this 8-move dumbbell workout to build a stronger core and hips. While sit-ups remain popular at gyms, on ...

Standing abs workouts are a great way to strengthen your core without using common exercises like sit ... up above your head challenges the core to keep you balanced during moves like knee drives.

We’ve said it before and we’ll say it again — when it comes to building a rock-solid core, endless sit-ups and planks alone ... Lift your left knee, and at the same time, bend at your ...