Example of flat bones12/15/2023 ![]() ![]() Sesamoid bones are embedded in tendons and help to protect the tendon from wear and tear. Often irregular bones provide very limited amounts of movement and often provide protection for vital organs. Irregular bones are one of the types of major bones involved in movement. The flexors of the wrist and fingers arise primarily from the: a. Irregular bones are classified as such because of their irregular shape, not fitting into any other category. (a) The sphenoid bone (b) The parietal bone (c) The occipital bone (d) The temporal bone (e) The ethmoid bone. They also exist at joints, where they provide the “base” for movement to occur from. Late bones have a flattened surface and function to act as a shield protecting vital organs in the body. They are one of the other major bones involved in movement, but only provide for limited movement. Short bones are roughly as wide as they are long and function to provide stability. Long bones are often the major bones involved in movement and also function to support weight. By definition they must be longer than they are wide. Long bones have the classical bone shape, and are narrow and long. The major bones involved in movement are also each classified into a type/s of bone. Pelvic Girdle or Pelvis (group of bones)Įach of these bones join to at least one other through a synovial joint (which you will learn more about next), which allows for movement.
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