There are many sit-up variations that can help you achieve your weight loss goals, as well as keep your fitness regime interesting. They engage multiple muscle groups, including the core ...

Sit-ups may seem like a basic and simple exercise ... The basic movement remains the same, but a few variations can be added to make it more fun and challenging. Extra weights in the form of ...

While sit-ups remain popular at gyms ... abdominals to lift your upper body and touch your toes. Like all plank variations, low plank knee taps target your core and upper body.

Just like with sit-ups, you can add crunches to a strength training workout about two to three times a week. Try for three sets of 15 crunches. Types of crunches The list of crunch variations is ...