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Orthopedics: Bones, Joints, Ligaments and Tendons

Disabled World (disabled-world.com)

Revised/Updated: Tuesday, 2nd October 2018

Synopsis and Key Points:

Orthopedic Information on the human musculoskeletal system including bones joints and tendons.

Main Document

Orthopedics is the study of the musculoskeletal system. Orthopedic doctors specialize in diagnosis and treatment of problems of the musculoskeletal system. Over the years, the field has expanded to encompass many sub-specialties and the treatment of a wide variety of musculoskeletal disorders in patients of all ages.

Orthopedic surgeons use both surgical and non-surgical means to treat musculoskeletal trauma, sports injuries, degenerative diseases, infections, tumors, and congenital conditions. The musculoskeletal system provides form, stability, and movement to the human body. It is made up of the body's bones (the skeleton), muscles, cartilage, tendons, ligaments, joints, and other connective tissue.

Basic Terms

Labled Upright Human Skeleton.
Labled Upright Human Skeleton.

The Two Main Parts to Your Skeleton:

Two Types of Bone:

Five General Classifications of Bones:

The human skeleton is composed of both fused and individual bones supported by ligaments, tendons, muscles and cartilage.

Bones are made up of calcium, phosphorus, sodium, and other minerals, as well as the protein collagen. Calcium is needed to make bones hard, which allows them to support body weight. The soft bone marrow inside many of the bones is where most of the blood cells are made. The bone marrow contains stem cells, which produce the body's red blood cells and platelets.

Bones can move because of the way they are joined together. The place where two or more bones come together is called a joint. The bones at a joint are held together by strong bands of tissue called ligaments which allow the bones to move.

Joint Types

Conditions that can affect the bones, muscles, and joints include:

Subtopics and Associated Subjects

Related Information


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