Sit-ups can be a great way to strengthen your abdominal muscles that sit around your stomach. But they can quickly get repetitive and its easy to accidentally lose your form, so when boredom strikes, ...

Sit-ups often come to mind when you think about working your abs or strengthening your core. It’s one of the most old-school, well-known exercises for ab-shredding, but recently, it’s become less and ...

The workout is programmed by fitness trainer Shaina Fata. You’ll do five different exercises in total, working for 40 seconds, followed by a 20-second break. You’ll complete two or three rounds of the ...