My son walks on his toes all the time. Is this normal? Children sometimes walk on their toes but this usually corrects itself by the age of three. Habitual toe-walking after this age needs to be evalu...

From the time we start to walk, we balance our body weight on two legs. The bones that make up the knee joint — femur, tibia, fibula and patella — together bear the brunt of this. Together, they ...

For the vast majority of patients with debilitating knee pain, joint replacement surgery is considered an “elective” procedure. While it’s true that one’s life doesn’t depend on it, what abo...