The knee is the largest joint in the body, making it vulnerable to a wide range of problems. Being aware of these problems and how to preventive them can help keep your knees healthy throughout your life, says Frederick Song, MD, an orthopedist on staff at University Medical Center at Princeton (UMCP). Overuse injuries: In young athletes, overuse injuriesare increasingly common, including patellofemoral syndrome, a dull pain caused by irritation under the knee cap. These injuries are often caused by...

By Frederick S. Song, M.D. As the largest joint in the body, the knee is one of the most easily injured. In fact every year, millions of people visit their doctor because of common knee problems, including fractures, ligament and cartilage tears,overuse injuries and osteoarthritis. So how do you keep your knees strong and help protect them from injury? Put simply, keep your muscles strong. (and keep your weight down) Vulnerable to Injury Your knees provide stable support for your...

By Dr. Frederick Song Acute soreness in your muscles after any kind of work out is a fairly normal phenomenon. It typically occurs with the build-up of lactic acid and is felt hours to a day after physical activity. Delayed onset muscle soreness (DOMS) results after strenuous physical activity and presents as muscle soreness one to three days after exercise. This is a result of microtears in the muscle tissue resulting in inflammation in the tissue. Both phenomenon are normal...