Lloyd Dean Origin and Insertion of Major Muscles & Fibre Directions
Aims  <ul><li>By the end of the lesson you should be able to: </li></ul><ul><li>List and label the major muscles of the bo...
Origin and Insertion of Muscles <ul><li>Triceps (Long head, Lateral head & Medial head) </li></ul><ul><li>Biceps (Biceps B...
Origin and Insertion of Muscles <ul><li>Obliques (Internal and External) </li></ul><ul><li>Abdominals (Transverse Abdomino...
Origin and Insertion of Muscles <ul><li>Pectorals (Pectoralis Major) </li></ul><ul><li>Trapezius (Upper, Middle & Lower) <...
Origin and Insertion of Muscles <ul><li>Deltoids (Anterior, Middle & Posterior) </li></ul><ul><li>Erector Spinae (Sacrospi...
Origin and Insertion of Muscles <ul><li>Hamstrings (Biceps Femoris, Semitendinosus, Semimembranosus) </li></ul><ul><li>Qua...
Origin and Insertion of Muscles <ul><li>Gastrocnemius </li></ul><ul><li>Gluteals (Minimus, Medius & Maximus) </li></ul><ul...
Muscle Fibre Direction <ul><li>Different muscles have varying shapes and sizes </li></ul><ul><li>Can be classified into 5 ...
Muscle Fibre Direction <ul><li>Parallel </li></ul><ul><li>Convergent </li></ul><ul><li>Muscles that have fibres running pa...
Muscle Fibre Direction <ul><li>Pennate </li></ul><ul><li>Large numbers of muscle fibre per unit </li></ul><ul><li>Strong, ...
Muscle Fibre Direction <ul><li>Circular </li></ul><ul><li>Fusiform </li></ul><ul><li>Circular shape </li></ul><ul><li>Orbi...
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Origin and insertion of major muscles & fibre

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Origin and insertion of major muscles & fibre

  1. 1. Lloyd Dean Origin and Insertion of Major Muscles & Fibre Directions
  2. 2. Aims <ul><li>By the end of the lesson you should be able to: </li></ul><ul><li>List and label the major muscles of the body </li></ul><ul><li>State the origin and insertion of the major muscles </li></ul><ul><li>Describe the different types of muscle shapes and match to major muscles </li></ul><ul><li>Explain the actions of major muscles and exercises that can be used to work each. </li></ul>
  3. 3. Origin and Insertion of Muscles <ul><li>Triceps (Long head, Lateral head & Medial head) </li></ul><ul><li>Biceps (Biceps Brachii) </li></ul><ul><li>Origin </li></ul><ul><li>Long – Scapula </li></ul><ul><li>Lateral and Medial – Humerus </li></ul><ul><li>Insertion </li></ul><ul><li>Ulna </li></ul><ul><li>Origin </li></ul><ul><li>Scapula </li></ul><ul><li>Insertion </li></ul><ul><li>Radius and Ulna </li></ul>
  4. 4. Origin and Insertion of Muscles <ul><li>Obliques (Internal and External) </li></ul><ul><li>Abdominals (Transverse Abdominous, Rectus Abdominus) </li></ul><ul><li>Origin </li></ul><ul><li>Lowest Rib </li></ul><ul><li>Insertion </li></ul><ul><li>Illiac Crest </li></ul><ul><li>Origin </li></ul><ul><li>Illiac </li></ul><ul><li>Insertion </li></ul><ul><li>Transvers Abdominous – Linea alba (“White Line” collagen connective tissue) </li></ul><ul><li>Rectus Abdominous - Sternum </li></ul>
  5. 5. Origin and Insertion of Muscles <ul><li>Pectorals (Pectoralis Major) </li></ul><ul><li>Trapezius (Upper, Middle & Lower) </li></ul><ul><li>Origin </li></ul><ul><li>Clavicle </li></ul><ul><li>Sternum </li></ul><ul><li>Ribs </li></ul><ul><li>Insertion </li></ul><ul><li>Humerus </li></ul><ul><li>Origin </li></ul><ul><li>Upper – base of skull </li></ul><ul><li>Middle – Spinal ligaments </li></ul><ul><li>Lower - Vertebrae </li></ul><ul><li>Insertion </li></ul><ul><li>Clavicle </li></ul><ul><li>Scapula </li></ul>
  6. 6. Origin and Insertion of Muscles <ul><li>Deltoids (Anterior, Middle & Posterior) </li></ul><ul><li>Erector Spinae (Sacrospinatus) </li></ul><ul><li>Origin </li></ul><ul><li>Clavicle </li></ul><ul><li>Scapula </li></ul><ul><li>Insertion </li></ul><ul><li>Humerus </li></ul><ul><li>Origin </li></ul><ul><li>Ilium </li></ul><ul><li>Sacrum </li></ul><ul><li>Ribs </li></ul><ul><li>Insertion </li></ul><ul><li>Base of skull </li></ul><ul><li>Ribs </li></ul>
  7. 7. Origin and Insertion of Muscles <ul><li>Hamstrings (Biceps Femoris, Semitendinosus, Semimembranosus) </li></ul><ul><li>Quadriceps (Vastus Medialis, Vastus Intermedius, Vastis Lateralis & Rectus Femoris) </li></ul><ul><li>Origin </li></ul><ul><li>All Pelvis </li></ul><ul><li>Insertion </li></ul><ul><li>All Tibia </li></ul><ul><li>Origin </li></ul><ul><li>Rectus Femoris – Illiac </li></ul><ul><li>All Vastus’ - Femur </li></ul><ul><li>Insertion </li></ul><ul><li>All Patella </li></ul>
  8. 8. Origin and Insertion of Muscles <ul><li>Gastrocnemius </li></ul><ul><li>Gluteals (Minimus, Medius & Maximus) </li></ul><ul><li>Origin </li></ul><ul><li>Femur </li></ul><ul><li>Insertion </li></ul><ul><li>Achilles tendon </li></ul><ul><li>Origin </li></ul><ul><li>All pelvis </li></ul><ul><li>Insertion </li></ul><ul><li>All Femur </li></ul>
  9. 9. Muscle Fibre Direction <ul><li>Different muscles have varying shapes and sizes </li></ul><ul><li>Can be classified into 5 shapes; </li></ul><ul><ul><li>Parallel </li></ul></ul><ul><ul><li>Convergent </li></ul></ul><ul><ul><li>Pennate </li></ul></ul><ul><ul><li>Fusiform </li></ul></ul><ul><ul><li>Circular </li></ul></ul>
  10. 10. Muscle Fibre Direction <ul><li>Parallel </li></ul><ul><li>Convergent </li></ul><ul><li>Muscles that have fibres running parallel </li></ul><ul><li>Strap like </li></ul><ul><li>Not strong but have good endurance </li></ul><ul><li>Sternoclastamoid </li></ul><ul><li>Also know as triangular </li></ul><ul><li>Origin is wider that the insertion </li></ul><ul><li>Allows greater force production </li></ul><ul><li>Pectoralis Major </li></ul>
  11. 11. Muscle Fibre Direction <ul><li>Pennate </li></ul><ul><li>Large numbers of muscle fibre per unit </li></ul><ul><li>Strong, but tire easier </li></ul><ul><li>“ Feather” shaped </li></ul><ul><li>Further classified into; </li></ul><ul><ul><li>Bipennate – Two rows of fibres facing opposite direction (Rectus Femoris) </li></ul></ul><ul><ul><li>Unipennate – Fibres are inserted in a diagonal direction onto tendon (Deep hand muscles) </li></ul></ul><ul><ul><li>Multipennate – Tendon branches into 3 (Deltoids) </li></ul></ul>
  12. 12. Muscle Fibre Direction <ul><li>Circular </li></ul><ul><li>Fusiform </li></ul><ul><li>Circular shape </li></ul><ul><li>Orbicuslaris oris (Lips) </li></ul><ul><li>Spindle shaped </li></ul><ul><li>“ Belly” of muscle is wider than the origin and insertion </li></ul><ul><li>Biceps </li></ul>

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