While sit-ups remain popular at gyms, on social media and in fitness workout plans, they could do more harm than good for some people. Your core was designed for more than just flexing and ...

Standing abs workouts are a great way to strengthen your core without using common exercises like sit-ups, crunches and planks. Adding a kettlebell into the mix only boosts the benefits of these ...

The main difference between sit-ups and crunches is the range of motion involved in each exercise. Sit-ups require you to lift all the way up, while crunches require a slight lift off the ground.

Training my abs is always tough, so I figured why not push it even further? I swapped out the usual sit-ups and Russian twists for a four-move dumbbell workout to really spice things up.

If you want to strengthen your core, classic exercises like sit-ups, crunches and planks are ... However, rather than rush through each repetition to pack in as many as you can in the time ...