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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 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.

There are several bones in the wrist joint and trauma to this area can cause one of a number of wrist and arm fractures. One of the most common types of wrist fracture, called a Colles fracture, is discussed as well one way to treat the fracture.

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.

A journalistic report on a woman's experience with carpal tunnel syndrome and how she found relief with a new endoscopic carpal tunnel release surgery.

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 animation explains the meniscus of the knee, why it is important for knee function and what symptoms occur when it is diseased.

Rheumatoid arthritis is an autoimmune disease that can attack parts of the joint, in most joints in the body. This narrated animation describes how the joint works, how the immune system can erroneously attack joints in RA, and describes some of the treatment options for rheumatoid arthritis.

This animation shows the function of the main skeletal muscles in the body. At the microscopic level, artists have animated how actin and myosin, (two muscle proteins) interact to make muscles contract.

This video describes the two types of osteoporosis, the symptoms that it may cause, the tests used to diagnose osteoporosis, and some treatment options. Note the estrogen replacement therapy mentioned in the video may not be appropriate for most patients.