Sport & Exercise Science - Anatomy - Skeletal System

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Stephen McDowell Level 3 Extended Diploma in Sports & Exercise Sciences Anatomy Assignment 1 The Skeletal System The purpose of this assignment is to describe and explain the function of the skeletal system. To serve this purpose, the assignment will cover the structure of the skeleton, the bones of the skeleton, the joints of the skeleton and the range of movement available at each classification of joint. Appropriate examples are added where applicable to relate this to sport and exercise. All relevant sources have been listed in the bibliography at the end of the assignment. The human skeleton consists of approximately 206 bones all of shapes, sizes and functions. Our skeleton system has 5 main functions. These are to protect our internal organs, support our body shape & posture, and to aid movement. In addition to these basic functions, the human skeleton also performs more complex functions such as the storing of minerals to aid bone growth (e.g. calcium,) and lastly the creation of red blood cells which are used to transport oxygen around the body and to the muscles. The first function of the skeleton is protection. This is done through the clever use of flat bones and fixed joints. An example of a flat bone forming a fixed joint to serve this function is the skull, or cranium. The plates that make up the cranium and fixed into position. This means they do not perform any movements at all. The cranium is in place to protect the brain. Below is a photograph of the skull. This illustrates how the flat plates form together to protect the brain. (http://images.tutorvista.com/content/locomotion-animals/human-skull-structure.jpeg) In addition to protecting the organs of the body, the skeleton also supports the rest of the body, and aids posture. The muscles, and many of the softer, delicate organs are kept in place by the skeleton. Ligaments and

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