This month, your challenge is to train arms for 30 consecutive days (plus one bonus workout if you're really into the plan). The catch: Not every single day is going to be biceps curls. Some days ...

This 30-day arm challenge includes arm workouts to help strengthen and tone your biceps, triceps, and forearm muscles while boosting your muscular endurance. This challenge also involves core and ...

I followed Dwayne "The Rock" Johnson's intense workout and diet for a month. Here's what happened to my body and mind.

This 14-day dumbbell workout challenge targets your arms to build muscle and strength. After a two-day rest, you can do it again for a 30-day challenge.

Korin Miller tried out Women's Health's 30-Day Fitness Challenge to see how well the plan works. The challenge helped her transform her abs, arms, and legs.

By the end of the WH 30-Day Workout Challenge, you can expect to see some pretty awesome results. You’ll likely notice some increased muscle definition and higher energy levels—score.

I have done it as a stand-alone workout and have added the Mobility 30 as a supplement to the end of a workout day. So far, both are working as I suspected them to work and everything's nice and easy.

30-day fitness challenges aren’t quick fixes that will get you shredded overnight. But if you go about it with a healthy mindset—as with formulating any fitness regimen—the format can ...

3 Tips to Crush the 30-Day Cross-Training Challenge: Heed this advice from Lee to get the most out of the next month of training. Choose the right weight for each move: On a scale of 1 to 5 (1 ...