Building a muscle

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Author:
BokaliMali
ID:
234777
Filename:
Building a muscle
Updated:
2013-09-14 14:56:12
Tags:
muscle anatomy physiology OVCMT
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Description:
MS lecture 3 notes
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  1. what are the active elements of a muscle?
    actin and myosin
  2. how do you make a muscle?
    • actin+myosin=myofibril
    • lots of myofibrils=muscle fibre
    • muscle fibre is a muscle cell, the cellular membrane is called the sarcolema
    • muscle fibres are further wrapped in endomycium
    • many muscle fibres=fascicle
    • fascicles are wrapped in perimycium
    • many fascicles=skeletal muscle
    • skeletal muscle is wrapped in epimycium
  3. actin and myosin together form a
    myofibril
  4. many myofibrils together form a
    muscle fibre or muscle cell
  5. the cellular membrane of a muscle cell is called a
    sarcolema
  6. the fascial sleeve that surrounds a muscle fibre is the
    endomycium
  7. endomycium
    fascial sleeve that surrounds muscle fibres
  8. the fascial membrane that surrounds muscle fibres
    epimyceum
  9. many muscle fibres bundled together form a
    fascicle
  10. a fascicle is surrounded by the
    perimycium
  11. perimycium
    the fascial sleeve that surrounds a fascicle
  12. many fascicles bound together form a
    skeletal muscle
  13. epimycium
    the fascial sleeve that surrounds a skeletal muscle
  14. the fascial sleeve that surrounds a skeletal muscle
    epimycium
  15. fascia
    fibrous membrane that covers, supports and seperates muscles
  16. aponeurosis
    sheet-like tendon joining one muscle with another or a muscle with a bone
  17. tendon
    white, fibrous chord of connective tissue that attaches a muscle to a bone.
  18. do ligaments connect to muscle?
    no. ligaments connect bone to bone. Tendons connect muscle to bone.
  19. what are the functions of muscles?
    • motion
    • posture maintenance
    • venous flow
    • thermogenesis
    • registering the volume of internal organs

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