The causes, symptoms, and treatment of bone bruises in the knee caused by sport or other activity. Also: Can I run with knee bone bruising?

The correct height of crutches, how to walk with crutches non-weightbearing and partially weightbearing, and with one crutch.

If you’ve injured your anterior cruciate ligament (ACL), someone may have told you that you’ll likely need surgery to fix it. Or someone...

The anterior cruciate ligament is a very important ligament in the knee and is usually injured when a player forcefully rotates his leg...