A pulled muscle is an injury to your muscle fibers. Muscle fibers are the large cells that make up your muscles. Your muscles allow you to move when they contract and relax. Many people use the terms ...

Look, I used to think bulking just meant eating everything in sight and calling it a day. Shovel more food down, hit the gym hard, and boom – gains, right? Wrong. I spent months eating 4,000 calories ...

Add Yahoo as a preferred source to see more of our stories on Google. Even small fluctuations in weight and body composition make a difference when it comes to certain sports, events, and competitions ...

After a college lacrosse team reported that several players experienced a severe muscle injury, experts are speaking about the condition. Tufts University in Massachusetts has launched an ...

When you think of bulking, you may call to mind bodybuilders or power lifters, but that would only be part of the picture. While bulking does mean putting on muscle (in a nut shell), per Laura Girard, ...

Some people experience muscle pain in cold weather. This may be due to the effects of cold temperatures. For example, being cold can make muscles tense. Cold weather may increase the risk of muscle ...

Unexplained muscle pain in the arms and legs may be the result of benign issues. Or it may point to a more serious underlying condition, such as fibromyalgia, infection, or thyroid issues. Muscle pain ...