This video shows an animation of the normal anatomy of bone and what occurs to bone that is affected by osteoporosis. It also explains why osteoporosis is more likely in to occur in women and as we age.

This video contains an artist's representation of what bone looks like at the microscopic level. While many think that bone is simply a solid piece of calcium, it is actually a living, changing tissue with blood vessels and various small areas of open space.

This animated video not only shows a knee arthroscopy from start to finish, but gives a representation of what the surgeon sees through the tiny camera during arthroscopy. It also provides a view of the anatomy of the knee joint and how it works and moves.

Originally published as a patient activity, this animation describes the step-by-step process involved in knee replacement surgery. It shows many of the considerations that orthopedic surgeons face with an artifical knee surgery.