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The Muscular System

The Muscular System . B TEC Level 2 Diploma in Sport Carlos Munoz. Task 1 – Quick quiz . Immoveable . What is the name of the mineral stored in the bones? Where would you find the condyloid joint? Where are blood cells produced? Which limb consists of four bones?

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The Muscular System

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  1. The Muscular System B TEC Level 2 Diploma in Sport Carlos Munoz

  2. Task 1 – Quick quiz Immoveable • What is the name of the mineral stored in the bones? • Where would you find the condyloid joint? • Where are blood cells produced? • Which limb consists of four bones? • A hinge joint is shaped to allow which type of movement to take place? • Which term describes movement away from the body? • This type of joint can be found in the neck? • This type of joint can be found in the skull? • This type of synovial allows the greatest range of movement? • Which bones protect the heart and lungs? Pivot Calcium Wrist Ball and socket Bone marrow Flexion The leg Ribs Abduction

  3. Session aims • To identify the major muscles of the body? (P3) • To describe the different types of muscles and their movement (P4) • To explain how antagonistic muscle pairs work ? (P4)

  4. Human Muscles • Task 1 (Pair work) • Write down as many names of the muscles of the body that you know on sticky paper • Place the stick note stick paper in the correct part of the body of your partner

  5. Types of Muscle 3 types of muscle tissue are; • Smooth muscle • Cardiac muscle • Skeletal Muscle Task 2 (In pairs) Write down the characteristics of each type of muscle and state where it can be found http://www.youtube.com/watch?v=PJDrR3sZPZU

  6. The Voluntary Muscle • Allows movement to take place on a voluntary basis (because you want it to), also, called skeletal muscle • Tendons attach skeletal muscle to the bones, thus when a muscle contracts it moves the bones that they are attached to • The points where muscles attach to the bones are called origin and insertion. • When a muscle contracts the origin stays still while the insertion moves the bone that you want to move

  7. The Involuntary muscle • This is an involuntary muscle and works consciously • These muscles are found inside the body organs and arteries • The involuntary muscles functions is to move food within the gut, to help give birth and to control the diameter of the arteries that control blood flow around the body

  8. Cardiac muscle • The heart is made up of cardiac muscle (also called myocardium) • Cardiac muscle is also involuntary as it contracts subconsciously • The muscle consists of specialised fibres that do not tire

  9. Task 2 – Match the terms to the definitions Cardiac muscle Smooth muscle Skeletal muscle Attached to the skeleton to make movement. Under our conscious control Found only in the heart. Work continuously without our conscious control Found around internal organs. Work without our conscious control

  10. Task 3 – Label the diagram

  11. Muscles of the body

  12. Muscle Movement • Tendons are responsible for joining skeletal muscle to your bones • They are chords made of tough tissue, and they work to connect muscle to bones. When a muscle contracts, it pulls on the tendon, which in turn pulls on the bones and therefore makes the bone move • Muscles only produce pulling movements, thus each muscle has a partner that can return the body to it’s original position, these are antagonistic muscle pairs

  13. Antagonistic muscle pairs • This is when muscles work in pairs, this is known as antagonistic muscle pairs • Antagonistic muscle pairs is when one muscle contracts, it’s partner relaxes • In the diagram the biceps and triceps are working together. Initially, in the upward phase of the bicep curl the bicep is pulling (contracting). Thereafter, in the downward phase of the bicep curl the tricep is pulling/contracting • http://www.youtube.com/watch?v=jxk5tFiGVSE&feature=related

  14. Task 4 – Muscles and movement • There are 3 different types of muscle in the human body. Describe each, giving examples of where you would find them in your body. • Copy out the table below, then draw a line to link the correct muscle next to it’s antagonistic pair. If you are not sure, identify where you would find each muscle on your body and then try to work out where it’s partner is. • Describe the process of how muscles work in antagonistic pairs to produce movement, giving an example in the body. Note, muscles can only pull.

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