Andrew Heffernan

Kids are often sports obsessed or activity averse. Here’s how to help your children find movement that’s just right for them.

Mother Nature can be an inspiring personal trainer. Follow her rhythms to banish workout boredom, stave off injury, and build your fitness.

Your body evolves as you age — and your workout program should, too. Here’s a guide to staying active through the decades.

Improve your fitness with functional movements your body was made to do.

Resist the call of the couch! For our basic well-being, we need to get moving.

Inspired by the popular obstacle-course race, this circuit boosts mental and physical strength, improves conditioning and agility, and burns fat.

Learn how to blend your exercise preferences with biofeedback to help you get stronger and fitter.

The answer depends on what you’re measuring.

Learn the moves for the Yoga Push-Up Complex, a great way to warm up before a strength session.

Why the advice to “optimize in 45” may still hold true.

The key to sticking with a workout program may be strengthening the “muscle” between your ears.

Looking to regulate your sex hormones and increase insulin sensitivity? Try weight training.

Here are six ways strength training supports your overall health — beyond building muscle and burning fat.

The final four weeks of our six-month training program will help you reach peak form.

Month 5 is the toughest in our six-month training program, with longer workouts, challenging exercises, and fewer days off. Get ready!

In Month 4 of our six-month training program, you’ll ease up a bit as you prepare for the final push to the fittest, strongest, healthiest you yet.

Month 3 of our six-month training program ramps up the intensity, integrating — and testing — your hard work from the last eight weeks.