Quick biology lesson: the posterior chain is the term for the network of muscles that run the entire back length of our body, ...

Many people don’t use correct form when doing core workouts, which puts stress on the neck and back. Neck pain is an especially common complaint when people do abdominal crunches. Although crunches ...

Whether your workout involves the reverse or standard plank variation, you’re guaranteed to feel the burn in your ab muscles. But, even though both exercise moves are associated with core work, each ...

Skip the floor work. These 6 standing core moves burn more calories than crunches and slim your waist after 50—no floor ...

They’re often lumped together as “ab exercises,” but crunches and situps aren’t the same thing — and choosing the right one can impact your results (and your spine). So, if your goal is stronger abs, ...

The battle against age-related muscle loss doesn’t have to be a losing one. After 30, adults typically lose 3% to 8% of their muscle mass each decade, but the right exercise combination can ...

Ditch crunches. Try 6 standing moves that burn more calories, tighten your core, and slim a stubborn belly after 40.

Welcome to Start TODAY. Sign up for our free Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! Many people don’t use correct form when doing core ...