Skull crushers are a great move to include in your upper-body workout routine. The move targets your triceps and can also help tone your arms and improve shoulder stability. The skull crusher, or ...

Since you don't see them when you glance in the mirror, it's easy to forget about the back of your arms. But you need to work your triceps to tone that area. Running from your shoulder to your elbow, ...

Add Yahoo as a preferred source to see more of our stories on Google. The back of the arm is a spot that many of my clients wish to tone and tighten. Most of them have a less-than-flattering nickname ...

Stand with your feet hip-distance apart, holding a dumbbell at each shoulder. Slowly bend your knees as if you were going to sit in a chair, keeping all the weight in your heels. Don't let your knees ...