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Orthopedic

Basic Anatomy

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Fast Facts
Your spine has built-in shock absorbers called disks. Each a half-inch thick, the disks also help your spine twist and bend.
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Anatomy of a Joint
Anatomy of a Joint Click Image to Enlarge Joints are the areas where two or more bones meet. Most joints are mobile, allowing the bones to move. Joints consist of the following: Cartilage. A type of tissue that covers the surface of a bone at a joint. Cartilage helps reduce the friction of movement within a joint. Synovial membrane. A tissue called the synovial membrane lines the joint and seals it into a joint capsule. The synovial membrane secretes synovial fluid (a clear, sticky fluid) around the joi...
Anatomy of the Hand
Anatomy of the Hand The hand is composed of many different bones, muscles, and ligaments that allow for a large amount of movement and dexterity. There are 3 major types of bones in the hand itself, including: Click Image to Enlarge Phalanges. The 14 bones that are found in the fingers of each hand and also in the toes of each foot. Each finger has 3 phalanges (the distal, middle, and proximal); the thumb only has 2. Metacarpal bones. The 5 bones that compose the middle part of the hand. Carpal bones. T...
Anatomy of the Bone
Anatomy of the Bone What is bone? Bone is living tissue that makes up the body's skeleton. There are three types of bone tissue, including the following: Click image to enlarge Compact tissue. The harder, outer tissue of bones. Cancellous tissue. The sponge-like tissue inside bones. Subchondral tissue. The smooth tissue at the ends of bones, which is covered with another type of tissue called cartilage. Cartilage is the specialized, gristly connective tissue that is present in adults, and the tissue fro...