Joint Anatomy

Joints can be the source of pain and discomfort caused by many forms of arthritis. Learn about the structure and anatomy of the various joints that can be affected by arthritis and other conditions.

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Hip Anatomy

The hip joint is an intricate structure including hip bones, hip articular cartilage, muscles, ligaments and tendons, and synovial fluid. A problem with any one of these parts of the hip anatomy can result in pain.

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Knee Anatomy

Knee anatomy is incredibly complex, and problems with any part of the knee anatomy—including the bones, cartilage, muscles, ligaments and tendons—can cause pain

Shoulder Anatomy is a remarkable combination of strong bones, flexible ligaments and tendons, and reinforcing cartilage and muscles. The shoulder is designed to be incredibly flexible, enabling a wide range of motion.

The shoulder's ball-and-socket construction is essential to how the shoulder joint works. There are actually four joints within the shoulder: the glenohumeral, acromioclavicular, sternoclavicular, and the scapulothoracic.
Most of the body's joints are synovial joints, which allows for movement but leaves then susceptible to arthritis and related inflammatory conditions.
Cartilage is a strong, flexible fibrous tissue that takes many forms and serves many purposes throughout the body.
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