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

While the plank is an excellent core exercise, several other options can strengthen your core. You can do these bodyweight exercises anywhere, and they don’t require equipment.

It’s designed to improve coordination, stability and core strength with just six exercises. Perform two sets of each exercise ...

A strong core is essential for balance, posture, injury prevention, and overall functional strength across all age groups. Five effective exercises—crunches, donkey kickbacks, jumping jacks, The ...

Better posture. Weak upper abs often result in poor posture and spinal misalignment, but by targeting these muscles, you can ...

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

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

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images While classic core exercises like sit-ups, planks and crunches are ...

Elliptical machines have come a long way, with major developments in specs and technology. Their ergonomic design maximizes the quality and intensity of your workout, incorporating both upper and ...