As the title implies, this video describes how muscles work. It shows the anatomy of the muscle in relation to bone but also the structure of muscle at the microscopic level.

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.

Breaking a bone is not like breaking a dinner plate, there are a number of arteries and cells that are disrupted. This narration explains what occurs during a bone fracture and how the bone heals and repairs itself.

The Achilles tendon is the major tendon that connects the lower leg to the foot. Without your Achilles tendon, you would not be able to point your foot or walk effectively. This narrated animation describes how tears in the Achilles tendon are repaired surgically.