You don’t have to dedicate a full gym session to training your arms for a better arm swing, posture, and running efficiency.

According to the CDC, adults should include two days of muscle-strengthening activities in their weekly routines. A busy schedule may prevent you from hitting the gym for hours at a time, but ...

Start standing with your feet shoulder-width apart and your knees slightly bent. Hold a dumbbell in each hand, with your ...

"Sometimes pressing play and just starting is the hardest part," says fitness instructor Tanner Courtad in this total-body workout video. "But what you'll always find out is that you build momentum, ...