All it takes is a tweak or two, and virtually any exercise for any muscle group can instantly become a core movement as well. It's all about positioning. One great example of this is the V-sit ...

To chisel your abs and strengthen your core, add some dumbbells to your core workout. Adding some weight forces the fibers in ab muscles to activate more fully, making each rep more effective. This ...

Sit tall with your weight equally distributed between both sits bones and feet planted on the floor hips-width apart. Engage ...

Incorporating SIT sessions into your fitness routine can help boost your cardiovascular health and athletic ability. Emilija Manevska via Getty Images If you’ve dabbled in fitness in recent years, you ...

Strengthen your abs and obliques with this 12-minute core circuit that you can do anywhere without any equipment bar a yoga mat.

Workouts Boost stability and control — my favorite trainer just shared 10 exercises to strengthen your deep core Workouts Goodbye crunches and sit-ups — these 3 exercises target your 'deep core' ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images While classic core exercises like sit-ups, planks and crunches are ...

The stability ball is a great tool to incorporate in your exercises, especially when it comes to core work. Adding the stability factor causes your core to contract even more while exercising, making ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

For those who live to sweat — but maybe want a chance to fully catch their breath — SIT is the new HIIT. HIIT, or high-intensity interval training, includes bursts (typically 30 seconds to a few ...