Sit tall with your weight equally distributed between both sits bones and feet planted on the floor hips-width apart. Engage the core. Bring both arms straight out to the side into a "T" position.

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

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 ...

Stand with your feet hip-width apart and your core engaged. Place your hands lightly on your temples — remember, they should be resting, not pulling your neck during the exercise. Raise one foot off ...