Muscles copy.txt

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Anonymous
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278042
Filename:
Muscles copy.txt
Updated:
2014-07-02 14:35:36
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Muscles 0.5
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  1. What is the muscle agonist?
    The prime mover; the muscle which performs the movement in question
  2. What is the antagonist?
    The muscle that performs the opposing movement to that of the agonist.
  3. What is the muscle synergist?
    The muscle that aids agonist with a little more force or reduces unwanted movement.
  4. What is a tendon?
    Connective tissue that attaches muscle to bone.
  5. What is Aponeuroses?
    A broad, flat, tendinous attachment
  6. What is the orgin of a muscle?
    More axial or fixed point of attachment.
  7. What is the insertion of a muscle?
    More appendicular or moveable point of attachment
  8. What is the OIA (orgin, Insertion and action) of the Masseter?
    • O: Zygomatic arch
    • I: Mandibular ramus
    • A: Closes mandible
  9. What is the OIA (orgin, insertion and action) of the Temporalis?
    • O: Temporal lines
    • I: Mandibular coronoid process and ramus
    • A: Closes mandible
  10. What is the OIA (orgin, insertion and action) of the Platysma?
    • O: Fascia in chest
    • I: Lower border of mandible in lower skin of the face
    • A: Flexes neck if jaw is fixed (facial expressions)
  11. What is the OIA (orgin, insertion and action) of the Sternocleidomastoid?
    • O: Sternum, clavicle
    • I: Mastoid
    • A: Unilaterally rotates head to oppisite side - bilaterally flexes head anteriorly - holds head erect
  12. What is the OIA (orgin, insertion and action) of the extensors of the Vertebral column?
    • O: Iliac crest, sacrum, spinous processes
    • I: Transverse processes, spinous processes and ribs
    • A: Back extension, posture, lateral bending
  13. What are the 3 extensors of the vertebral column?
    • Iliocostalis (lateral)
    • Longissimus
    • Spinalis (Most medial)
  14. What is the OIA (orgin, insertion and action) of the Rectus abdominus?
    • O: Pubis and tendon transverse abdominus medial
    • I: Lower ribs and xiphoid
    • A: Flex trunk and compress viscera
  15. What is the OIA (orgin, insertion and action) of the Transversus Abdominus?
    • O: Thoracodorsal aponuerosis
    • I: Other 1/2 of self, pubis
    • A:Compress/support viscera
  16. What is the OIA (orgin, insertion and action) of the Internal Oblique?
    • O: Thoradorsal aponeuroses, inguinal ligament and iliac crest
    • I: Pubis (linea alba-midline)
    • A: Trunk rotation (with rotation to same side Orgin pulled toward insertion)
  17. What is the OIA (orgin, insertion and action) of the External Oblique?
    • O: Lower ribs, xiphoid, thorasorsal fascia, iliac creast and AXIS
    • I: Pubis (linea alba-midline)
    • A: Trunk rotation (with rotation to opposite side Orgin pulled toward insertion)
  18. What is the OIA (orgin, insertion and action) of the External intercostals?
    • O: Supero-lateral
    • I: Infero-medial
    • A: Elevates - inspiration
  19. What is the OIA (orgin, insertion and action) of the Internal intercostals?
    • O: Super-medial
    • I: Infero-medial
    • A: Elevates-inspiration
  20. What is the OIA (orgin, insertion and action) of the Scalenes?
    • O: Cervical transverse process
    • I: Ribs 1 and 2
    • A: Lifts ribs superiorly for inspiration
  21. What is the OIA (orgin, insertion and action) of the Pectoralis Minor?
    • O: Ribs 3-5
    • I: Coracoid process
    • A: Depresses scapula, elevates ribs when scapula is fixed
  22. What is the OIA (orgin, insertion and action) of the Subscapularis?
    • O: Subscapular fossa
    • I: Lesser tubercle
    • A: Internal rotation
  23. What is the OIA (orgin, insertion and action) of the Supaspinatus?
    • O: Supraspinous fossa
    • I: Greater tubercle
    • A: Initiates ABduction for 1st 30 degrees
  24. What is the OIA (orgin, insertion and action) of the Teres Minor?
    • O: Scapula
    • I: Greater tubercle
    • A: External rotation
  25. What is the OIA (orgin, insertion and action) of the Infraspinatus?
    • O: Infraspinous fossa
    • I: Greater tubercle
    • A: External rotation
  26. What is the OIA (orgin, insertion and action) of the Pectoralis major?
    • O: Clavicle, sternum
    • I: Intertubercular groove
    • A: ADucts and rotate internally humerus, assist flexion
  27. What is the OIA (orgin, insertion and action) of the Deltoid?
    • O: Acromion process and clavicle
    • I: Deltoid tuberosity of humerous
    • A: ABuct humerus 30-90 degrees, some extend and flex
  28. What is the OIA (orgin, insertion and action) of the Latissimus dorsi?
    • O: Thoracodorsal fascia, Thoracic and lumbar spinous process, ilium
    • I: Intertubercular groove
    • A: Extend, internally rotate, ADuct arm
  29. What is the OIA (orgin, insertion and action) of the Corcobrachialis?
    • O: Coracoid process of scapula
    • I: Humeral shaft
    • A: Shoulder flexion
  30. What is the OIA (orgin, insertion and action) of the Teres Major?
    • O: Scapula
    • I: Intertubercular groove
    • A: Internal rotation, extension, ADucts humerus
  31. What is the OIA (orgin, insertion and action) of the Serratus Anterior?
    • O: Ribs 1-8
    • I: Infero-medial scapula
    • A: Aduct arm >90 degrees
  32. What is the OIA (orgin, insertion and action) of the Rhomboid (major and minor)?
    • O: C7-T5 spinous process
    • I: Scapula
    • A: Retracts and elevates scapula, tilts glenois fossa inferiorly
  33. What is the OIA (orgin, insertion and action) of the Levator scalulae?
    • O: Transverse process C1-C4
    • I: Scapula
    • A: Retracts and elevates scapula
  34. What is the OIA (orgin, insertion and action) of the Pectoralis minor?
    • O: Ribs 3-5, anteriorly
    • I: Caracoid process of scapula
    • A: Protracts and depresses scapula
  35. What is the OIA (orgin, insertion and action) of the Trapezius (Upper, Middle and Lower)?
    • O: Occipital (U), Cervical spinous process (M) and Thoracic spinous processes(L)
    • I: Scapula spine and acromion process
    • A: Elevates (U, Retracts (M), Depresses (L)
  36. What is the OIA (orgin, insertion and action) of the Tricep brachii?
    • O: Inferior edge of glenoid fossa
    • I:
    • A:

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