(CNN) — Planks are widely considered by fitness experts to be a fantastic exercise to strengthen the muscles in your core and elsewhere, no matter your age or physical fitness level. There are ...

They say the foundations of a pillar must be strong. But if you are crippling with back pain every day, then how will you do ...

Yoga is not just a great way to achieve flexibility and reduced stress levels; it can also be an excellent tool for achieving a flat belly. Some yoga poses target the core muscles, which help to ...

The plank exercise is an old-school isometric core exercise that originated with yoga practices and has since been a standard part of mainstream bodyweight workouts. It's a top-shelf ab move that can ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Lie on the mat with your arms extended straight up.