Swimming also presents less risk of muscle and joint injury because of the body's weightlessness in water.

VOA: special.2010.06.08

For years, researchers blamed muscle tension from tightening in the face, neck and the skin on top of the head.

VOA: special.2010.03.30

Now,researchers with the Rehabilitation Institute of Chicago are working on another method called TMR, or targeted muscle reinnervation.

VOA: special.2009.03.10

All of these things combined help to improve heart activity, lower blood pressure and cholesterol levels, and reduce bone and muscle loss.

VOA: special.2010.06.08

Nearly all of the major muscle groups are put to work.

VOA: special.2010.06.08

Two other symptoms of the disease are muscle weakness and tiredness.

VOA: special.2009.01.06

The heat burns off a small amount of heart muscle.

VOA: special.2010.03.02

Most people suffer only muscle pain because of heat stress.

VOA: special.2010.07.27

They are known as "second generation" drugs, designed to alleviate side effects of older "first generation" medicines that often caused muscle spasms and stiffness.

VOA: standard.2010.07.08

None of us expected it," Lautner,17,added weight and muscle to fill out his character Jacob;

VOA: standard.2009.11.23

"How does this hunk of flesh, which is not much different from a muscle it's just a bowl of porridge how does it produce the mind?

VOA: standard.2010.01.28

"How does this hunk of flesh, which is not much different from a muscle,you know, it's just a bowl of porridge how does it produce the mind?

VOA: standard.2010.01.15

Also on board is a new exercise machine, which is part of ongoing studies into the effects of long-term space flight on muscle and bone loss in astronauts.

VOA: standard.2010.04.05