From the chiseled six-pack of Sam Heughan to the tight and toned core of Julianne Hough, these Hollywood fitness buffs know a thing or two about how to get and stay in shape year round.

Welcome to Week 2 of the 4-Week Plank Challenge! This week, it's all about getting killer abs in your office attire.

You've made it to the final week of our 4-Week Plank Challenge for a seriously stronger core — but you're not done yet.

It’s Week 3 of the 4-Week Plank Challenge, so hold each variation for at least a minute to show your progress!

Learn the Chinese style of kung fu called hung gar by practicing stances, hand techniques and striking.

Grants from the federal government, state government, non-profits and private organizations may help you pay for school to become a personal trainer if you meet the qualifiations.

Gold's Gym requires that anyone who seeks employment as a personal trainer have a personal training certification from a nationally recognized agency.

A stability ball can improve your core strength, but sitting on it all day isn't always the best idea.

You have muscles in your face, just like in the rest of your body. Train this muscles to create tone and lift in your cheeks.

Weight lifting can help young athletes excel if done smartly. Here's what to keep in mind when allowing a child to heave some iron.

Computing the number of fat grams burned during cardio is almost impossible, and somewhat irrelevant to fat-loss efforts. Concentrate on doing the right types of exercise and supporting your fat-loss efforts with a healthy diet.

If your regular workouts are tedious, sprint training could be the way to go. Try the following routines to enhance your cardio.