This quick, four-move dumbbell workout targets your upper body and core. It's perfect for a mid-holiday energy boost.

This no-movement exercise is one of the most reliable ways to measure core endurance, posture control, and spinal ...

Learn how to slim your waist with side reaches, a simple, no-equipment exercise that targets your obliques and strengthens ...

Maintaining a strong, stable core is among the most common fitness recommendations given to everyone from athletes to people with chronic pain. Terms like "core exercise" and "core activation" get a ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. “Right to the core,” “core values,” and “hardcore.” These little idioms highlight just how vital the concept of “core” is in our lives ...

In TODAY.com's Expert Tip of the Day, a trainer reveals her favorite exercise for a more defined waistline and strong core ...

Many people know what it's like to have that one problem area in their body, and no matter how much time they spend in the gym, nothing seems to change. Body image is a huge part of modern society, ...

If we’re lucky, we age. If we’re active, we may be able to avoid getting old. Increasing our physical strength and flexibility while improving posture and balance can pave the way for aging well and ...