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

Trainers say a handful of simple exercises—like presses, curls, and push-up variations—effectively build upper-arm strength.

Anaerobic exercise uses glucose for energy, instead of oxygen. Aerobic (cardio) and anaerobic exercises both improve health, but only anaerobic exercises build muscle mass and strength. Anaerobic ...

Thousands of Marines, sailors and the U.S. Air Force's 10th Air Force finished the annual Steel Knight war games exercise ...

As you get stronger, you become able to lift heavier and heavier weights. That's the idea at the heart of an ...

These 5 simple daily moves build real-world strength, protect your joints, and make everyday tasks easier after 50.

Learn starts his training day with threshold running intervals, which he says are the most challenging part of his training. In a HYROX race, athletes run a total of 8 kilometers (about 5 miles), so ...

Red Rocks guy, or Slavic, an ultra runner who calls himself “Beast,” is a legend at the Red Rocks Park and Amphitheatre in Colorado. Slavic is famous for performing an intense workout several times a ...

Fitness coach Jeff Cavaliere broke down his 30-minute chest and back workout, perfect for anyone who is short on time but ...