Lose Weight Gain Muscle - Videos

Astronauts who spend 6 or more months on the International Space Station are likely to lose a significant amount of muscle mass.

Sculpt & Tone, Burn Fat and Build muscle - No weights, Props, or Fitness machines!

Learn how to exercise the triceps muscles using the nose breaker exercise

If you lose heart muscle, which occurs when you have a heart attack, it's gone, but scientists are working with stem cells to try to train them to help your body rebuild.

Trainer Jordan Yuam, a professional trainer from Jodan's Virtual Fit Club, explains how some exercises are actually bad if you are trying to get that long lean leg look.