If you want to tone up quickly, it's important you design an efficient workout and nutrition plan. Read Insider's guide to getting fit for summer.

Running does build muscle as long as you are constantly challenging yourself. Running primarily builds muscles in the lower body like your glutes, quads, and hamstrings. To build muscle while running, be sure to fuel yourself with carbohydrates and proteins both before and after your workout. This article was medically […]

Leading a more active lifestyle takes time, effort, and determination, but in the end, it’s really worth the shot. Here’s what will happen to your body when you exercise regularly. Following is a transcript of the video. If you’re thinking about leading a more active lifestyle, you’re not alone. In […]

VIDEO: Shawn Arent, director of the Center for Health and Human Performance at Rutgers University, explains why you shouldn't stretch before you start your workout.

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Shawn Arent, the director of the Center for...

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Here are the keys to gaining more muscle and strength.

VIDEO: Fitness instructor and Conbody founder Coss Marte shared two simple, no-weights workouts for toning those calf muscles.

VIDEO: Fitness instructor and Conbody founder Coss Marte shared two simple, no-weights workouts for toning those calf muscles.

VIDEO: Scientists are developing a pill for people who are ill or injured and cannot exercise. The drug is currently being tested on mice and tricks the body into thinking it has exercised.

VIDEO: Shawn Arent, director of the Center for Health and Human Performance at Rutgers University, explains why you shouldn't stretch before you start your workout.

VIDEO: Shawn Arent, the director of the Center for Health and Human Performance at Rutgers University, explains how weight loss shouldn't be the primary focus of your fitness routine especially if you want to lose body fat.

VIDEO: Shawn Arent, the director of the Center for Health and Human Performance at Rutgers University, explains how often, and for how long, you should be working out if you want to see real results.