Practicum #3 Muscles

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Author:
SeanOHair
ID:
147692
Filename:
Practicum #3 Muscles
Updated:
2012-04-18 22:40:54
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ANAT 150 Crafton Hills College
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Description:
Muscle information for Practicum #3
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  1. What is the origin of the orbicularis occuli?
    Medial margin of the orbit
  2. What is the insertion of the orbicularis occuli?
    Skin surrounding the eyelid
  3. What is the action of the orbicularis occuli?
    To close the eye
  4. What nerve innervates the orbicularis occuli?
    CN VII (Facial)
  5. What is the origin of the orbicularis oris?
    • Maxilla
    • Mandible
    • Angle of mouth
  6. What is the insertion of the orbicularis oris?
    Muscles over the lip
  7. What is the action of the orbicularis oris?
    Close the lips
  8. What nerve innervates the orbicularis oris?
    CN VII (Facial)
  9. What is the origin of the buccinator?
    • Maxilla
    • Mandible
  10. What is the insertion of the buccinator?
    The orbicularis oris
  11. What is the action of the buccinator?
    • Flatten the cheeks
    • Retract angle of the mouth
  12. What nerve innervates the buccinator?
    CN VII (Facial)
  13. What is the origin of the lateral pterygoid?
    • Lateral aspect of the lateral pterygoid plate
    • Infra-temporal surface of the sphenoid
  14. What is the insertion of the lateral pterygoid?
    • Condylar process of the mandible
    • Cartilage of TMJ
  15. What is the action of the lateral pterygoid?
    Depress and protract the mandible
  16. What nerve innervates the lateral pterygoid?
    CN V3 (Trigeminal)
  17. What is the origin of the diaphragm?
    • Inferior ribs
    • Sternum
    • Lumbar vertebrae
  18. What is the insertion of the diaphragm?
    The central tendon of the diaphragm
  19. What is the action of the diaphragm?
    Inspiration
  20. What nerve innervates the diaphragm?
    Phrenic nerve
  21. What is the origin of the trapezius?
    • Occipital protuberance
    • Ligamentum nuchae
    • Spinous processes of C7 - T12
  22. What is the insertion of the trapezius?
    • Clavicle
    • Acromion process
    • Spine (of scapula)
  23. What is the action of the trapezius?
    • Elevate, retract, depress, or rotate scapula
    • Elevate clavicle
    • Extend head and neck
  24. What nerve innervates the trapezius?
    CN XI (Spinal Accessory)
  25. What is the action of the biceps brachii?
    • Flexion of arm
    • Flexion and supination of forearm
  26. What is the action of the brachialis?
    Flexion and pronation of forearm
  27. What is the action of the brachioradialis?
    Flexion and supination of forearm
  28. What is the action of the triceps brachii?
    Extension of forearm
  29. What is the action of the anconeus?
    Extension of forearm
  30. What is the action of the supinator?
    Supination of forearm
  31. What is the action of the pronator teres?
    Pronation of forearm
  32. What is the action of the pronator quadratus?
    Pronation of forearm
  33. What is the ation of the flexor carpi radialis?
    Flexion and abduction of wrist
  34. What is the action of the palmaris longus?
    Flexion of wrist
  35. What is the action of the flexor carpi ulnaris?
    Flexion and adduction of wrist
  36. What is the action of the flexor digitorum superficialis?
    Flexion of fingers and wrist
  37. What is the action of the flexor digitorum profundus?
    Flexion of fingers and wrist
  38. What is the action of the flexor digiti minimi brevis?
    Flexion of little finger
  39. What is the action of the flexor pollicis longus?
    Flexion of the thumb
  40. What is the action of the flexor pollicis brevis?
    Flexion of thumb
  41. What is the action of the extensor carpi radialis longus?
    Extension and abduction of the wrist
  42. What is the action of the extensor carpi radialis brevis?
    Extension and abduction of the wrist
  43. What is the action of the extensor carpi ulnaris?
    Extension and adduction of the wrist
  44. What is the action of the extensor digitorum?
    Extension of fingers and wrist
  45. What is the action of the extensor pollicis brevis?
    • Extension and abduction of the thumb
    • Abduction of the wrist
  46. What is the action of the extensor pollicis longus?
    • Extension of thumb
    • Abduction of the wrist
  47. What is the action of the extensor indicis?
    Extension and adduction of the second digit
  48. What is the action of the extensor digiti minimi?
    Extension of little finger

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