A simple test of reflexes can help coaches assess whether a player has had a concussion right on the field.  >

A new study has found that running barefoot puts less stress on your joints than does running in running shoes.   >

England has lost three World Cups on penalty kicks, so a British researcher has come up with a more winning strategy.  >

Acupuncture can help reduce back pain, but piercing the skin may not be necessary to reap its benefits, a new study has found.   >

Women who use birth control pills have a more difficult time building muscle mass than those who do not.  >

Find exercise a bore? Get off the treadmill and go dancing, go hiking, or pick up a frisbee. There are many playful ways to reap exercise's benefits.  >

Quad strengthening is often overlooked as people recover from a knee replacement. With strong quads, knee function can rival that of healthy...  >

Strong quads can protect against the cartilage loss connected to osteoarthritis. People with strong quads had less pain and disability.  >

Laboratory-grown spinal discs may soon be available to treat people whose discs have degenerated or herniated.  >

A protein in cartilage appears associated with age-related articular cartilage loss, a discovery that could lead to more effective treatments for OA.  >

'Tis the season for doctors to see lots of patients with foot and ankle pain. Why? In their effort to stick to New Year's resolutions...  >

A warm-up regimen developed by an international soccer association cut injuries by a third, and serious injuries by half.  >

Can Tai Chi help reduce the pain of arthritis? One small study says yes.   >

Glucosamine and chondroitin may not work as well together as we think, a new study suggests.  >

Athletes want to know: which is safer, grass or artificial turf? The answer is surprising.   >

Muscle fatigue makes atlhletes more likely to twist as they land, straining the ACL. Add the mental fatigue that sets in during competition, and...  >

Gymnastics has one of the highest injury rates of all girls' sports, according to a survey of emergency room admissions.  >

A few minutes practice and exercise each day will keep a young athlete in shape, and ready to play.  >

A significant number of athletes suffer from undiagnosed exercise-induced asthma.  >

What is the major cause of heat stroke? Ignorance — of our own bodies, of the weather and of what one can do to the other.  >

You can get hepatitis B from sweat during contact sports, suggests an alarming new study.  >

The 24-hour rhythmic cycle of our bodies, known as circadian rhythm, significantly affects athletic performance, according to just-published research.  >

People who get a steroid injection in their shoulder might be better off waiting a few weeks before returning to regular activities or starting physical therapy, according to a new study.  >

In recent years, long distance runners have been getting conflicting advice from experts about liquids.  >