Sit-ups can cause nausea if you experience dehydration, develop heat exhaustion, or participate in prolonged high-intensity workouts.

While classic core exercises like sit-ups and crunches are certainly an effective way to train your abs, they are not the only way. If you prefer to stay standing for your workouts, then this ...

As a fitness editor, I love that deep core shake you get after a minute-long plank. That said, if I’m in a busy gym, or I’m taking my workout outside now the weather is nicer, the chances are I’ll ...

If you do want a stretch, cross your arms in front of your body, then pull your arms back behind you as far as possible. At ...