When it comes to getting the safest and most efficient workout, form is key. And TODAY fitness contributor and personal trainer Stephanie Mansour says there's one mistake that you're likely making ...

(CNN) — A typical New Year’s resolution is to exercise more, although where to start can feel daunting. Some opt for a fitness class; others create a plan with a personal trainer or work out from home ...

I’ve never enjoyed doing sit-ups. From doing them on the cold, hard gym floor at school to tediously tagging them onto the end of another workout, they’ve always felt uncomfortable on my lower back ...

Editor’s note: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. A typical New Year’s resolution is to exercise more, although where to start can ...