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Unit 1: Principles of Anatomy and physiology in Sport

Unit 1: Principles of Anatomy and physiology in Sport . Kevin Browne . Learning Outcomes. All students will be able to identify the five main functions of the skeleton. Most students will be able to describe the terms used to identify the location of anatomical structures

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Unit 1: Principles of Anatomy and physiology in Sport

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  1. Unit 1: Principles of Anatomy and physiology in Sport Kevin Browne

  2. Learning Outcomes • All students will be able to identify the five main functions of the skeleton. • Most students will be able to describe the terms used to identify the location of anatomical structures • Most students will be able to describe the functions of a majority of specific bones in the skeleton. • Some students will be able to write a paragraph on the different functions of the skeleton

  3. Terms for locations (Worksheet) Anterior Posterior Inferior Proximal Distal Medial Lateral Superior

  4. Locations • To the front or in front • To the rear or behind • Towards the mid-line • Away from the mid-line • Near to the root of origin • Away from the root of origin • Above • Below (Anterior) (Posterior) (Medial) (Lateral) (Proximal) (Distal) (Superior) (Inferior)

  5. What does our skeleton do? P S S M P

  6. Functions The skeleton has a number of mechanical and physiological functions: • Support • Movement • Protection • Storage of minerals • Production of blood cells

  7. Support The skeleton acts as a framework. It gives the body support, enabling us to stand and walk upright. The bones of the back and chest support internal organs and help to keep them in place. The bones of the body are held together by ligaments. The skeleton provides a framework for the muscles, which are attached to bones by tendons. Can you imagine what humans would look like if they didn’t have bones to support them?

  8. Movement • Bones work with muscles to produce movement. • Muscles are attached to bones by tendons. • Bones have surfaces that allow for strong attachment. Tendons fuse with the tough Periosteum membrane on the outside of the bone. Muscle Tendon Periosteum Bone

  9. Movement

  10. Protection • Some of our body parts, such as the brain, are very delicate and need protection from external forces. • Bones can protect body parts from impacts and injuries. • The cranium protects the brain. It encloses the brain entirely in a shell of bone. • The rib cage protects the delicate organs of the chest. cranium Can you think of two reasons why the rib cage has gaps in it rather than being a solid shell of bone?

  11. Blood cell production Red marrow embedded in spongy bone • Red and white blood cells and platelets are made in the bones. • The ends of long bones and some other bones including the ribs, Humerus, Femur and even vertebraebones, contain red bone marrow. • This is where the blood cells are produced. • The shaft of long bones is filled with yellow bone marrow which does not produce blood cells. Yellow bone marrow in the shaft

  12. Blood Composition Red Blood cells Also referred to as Erythrocytes, the primary function of red blood cells is the transportation of oxygen and carbon dioxide. White blood cells Act in various ways to protect the body, and form a ‘mobile army’ that helps protect the body from damage by bacteria, viruses, toxins ect… Platelets Are cell fragments that help stop bleeding.

  13. Storage of minerals Bone is a reservoir for minerals, the most important of which are calcium and phosphate. These stored minerals are released into the bloodstream as needed for distribution to all parts of the body

  14. Clavicle What is its function? Commonly called the collarbone, is a slender S-shaped bone that connects the upper arm to the trunk of the body and holds the shoulder joint away from the body to allow for greater freedom of movement.

  15. Ribs What is its function? The ribs are thin, flat, curved bones that form a protective cage around the organs in the upper body. They are comprised 24 bones arranged in 12 pairs.

  16. Scapula What is its function? The scapula is a large, triangular, flat bone on the back side of the rib cage commonly called the shoulder blade. It overlays the second through seventh rib and serves as an attachment for several muscles.

  17. Pelvic Girdle What is its function? The Pelvic Girdle is composed to two coxal (hip) bones. The coxal bones are also called innominate bones. The innominate bones consists of three separate parts: the Ilium, the Ischium and the Pubis. The pelvic girdle provides the sockets for the hip joints and supports the lower abdominal organs

  18. Patella What is its function? The patella or kneecap is a large, triangular sesamoid bone between the femur and the tibia. It is formed in response to the strain in the tendon that forms the knee, protecting the joint

  19. Activity 2 On your own Without using your notes, write a paragraph on at least two of the functions of the skeleton. Please do this in your work books Remember to include: • A definition of the function • A description of what that definition means in your own words • Relate the function to an example of a bone • Explain the use of this function in a sport

  20. Additional Reading • This website will help with your Assignment and to do further research which will help you get the higher marks

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