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Anatomy > Back Musculature > Flashcards

Back Musculature Flashcards

1
Q

Splendid Cervicis Action

A

Bilaterally extends neck; unilaterally flexes and rotates neck to same side

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2
Q

Splenius cervicis innervation

A

Posterior rami of spinal nerves

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3
Q

Splenius capitis action

A

Bilaterally extends neck; unilaterally flexes and rotate neck to same side

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4
Q

Splenius capitis innervation

A

Posterior rami of spinal nerves

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5
Q

Iliocostalis (luborum, thoracic, cervicis) action

A

Bilaterally extend spine, (head); unilaterally flexes spine (and head) to same side

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6
Q

Iliocostalis (lumborum, thoracic, cervicis) innervation

A

Segmentally innervated by posterior rami of spinal nn.

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7
Q

Longissiumus (thoracis, cervicis, capitis) innervation

A

Segmentally innervated by posterior rami of spinal nn.

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8
Q

Longissiumus (thoracis, cervicis, capitis) action

A

Bilaterally extend spine, (head); Unilaterally flexes spine (and head) to same side

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9
Q

Spinalis (thoracis, cervicis) action

A

Bilaterally extend spine (head); unilaterally flexes spine (and head) to same side

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10
Q

Spinalis (thoracis, cervicis) innervation

A

Segmentally innervated by posterior rami of spinal nn.

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11
Q

Semi spinalis (thoracis, cervicis, capitis) action

A

Bilaterally extends spine; unilaterally flexes spine to same side and rotates to the opposite side

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12
Q

Semispinalis (thoracis, cervicis, capitis) innervation

A

Segmentally innervated by posterior rami of spinal nerves

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13
Q

Multifidus action

A

Bilaterally extends spine; unilaterally flexes spine to same side and rotates to opposite side

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14
Q

Multifidus innervation

A

Segmentally innervated by posterior rami of spinal nerves

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15
Q

Rotators (longus and brevis) action

A

Bilaterally extends spine; unilaterally flexes spine to same side and rotates to the opposite side

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16
Q

Rotatores (longus and brevis) innervation

A

Segmentally innervated by posterior rami of spinal nerves

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17
Q

Interspinales (cervicis, thoracis, lumborum) action

A

Assist in extension of spine

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18
Q

Interspinales (cervicis, thoracis, lumborum) innervation

A

Posterior rami of spinal nerves

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19
Q

Intertransversarii (cervicis, thoracis, lumborum) action

A

Bilaterally stabilizes spine; unilaterally assists in lateral flexion

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20
Q

Intertransversarii (cervicis, thoracis, lumborum) innervation

A

Anterior and posterior rami of spinal nerves

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21
Q

Levatores costarum (longus and brevis) action

A

Bilaterally elevates ribs and slightly extends thoracic spine; unilaterally flexes spine to same side and rotates it to the opposite side

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22
Q

Levatores costarum (longus and brevis) innervation

A

Posterior rami of spinal nerves

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23
Q

Trapezius action

A

Elevates, depresses, retracts scapula and rotates glenoid fossa superiority; steadies scapula to thoracic wall; unilaterally flexes to the same side

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24
Q

Trapezius innervation

A

Spinal accessory nerve/CN XI (motor), C3, C4 (pain and proprioception)

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25
Q

Latissimus Dorsi action

A

Extends, adducts, medially rotates shoulder; raises body toward arms during climbing

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26
Q

Latissimus dorsi innervation

A

Thoracodorsal nerve (C6-C8)

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27
Q

Levator scapulae action

A

Elevates scapula; rotates glenoid fossa inferiority; unilaterally flexes neck to same side

28
Q

Levator scapulae innervation

A

Dorsal scapular nerve (C5); C3, C4 cervical spine nerves

29
Q

Rhomboid major action

A

Retracts scapula, rotates glenoid fossa inferiorly; steadies scapula to thoracic wall

30
Q

Rhomboid major innervation

A

Dorsal scapular nerve (C5)

31
Q

Rhomboid minor action

A

Elevates scapula and unilaterally inclines neck to same side; retracts scapula, rotates glenoid fossa inferiorly, steadies scapula to thoracic wall

32
Q

Rhomboid minor innervation

A

Dorsal scapular nerve (C5)

33
Q

Trapezius blood supply

A

Transverse cervical artery

34
Q

Latissimus dorsi blood supply

A

Thoracodorsal artery

35
Q

Levator scapulae blood supply

A

Dorsal scapular artery

36
Q

Rhomboid major blood supply

A

Dorsal scapular artery

37
Q

Rhomboid minor blood supply

A

Dorsal scapular artery

38
Q

Serratus posterior superior action

A

Proprioception

39
Q

Serratus posterior superior innervation

A

Anterior rami T2-T5 thoracic spinal nn.

40
Q

Serratus posterior superior blood supply

A

Intercostal aa

41
Q

Serratus posterior inferior action

A

Proprioception

42
Q

Serratus posterior inferior innervation

A

Anterior rami T9-T12 thoracic spinal nn.

43
Q

Serratus posterior inferior blood supply

A

Intercostal aa. Subcostal a., lumbar aa.

44
Q

Splenius cervicis supply

A

Occipital, transverse cervical, and intercostal aa.

45
Q

Splenius capitis supply

A

Occipital and transverse cervical aa.

46
Q

Iliocostalis (lumborum, thoracis, cervicis) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

47
Q

Longissimus (thoracis, cervicis, capitis) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

48
Q

Spinalis (thoracis, cervicis) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

49
Q

Semispinalis (thoracis, cervicis, capitis) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal and lumbar aa.

50
Q

Multifidus supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

51
Q

Rotatores (longus and brevis) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

52
Q

Interspinales (cervicis, thoracis, lumborum) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

53
Q

Intertransversarii (cervicis, thoracis, lumborum) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

54
Q

Levatores costarum (longus and brevis) supply

A

Segmentally supplied by deep cervical, intercostal, subcostal, and lumbar aa.

55
Q

Erector spinal

A

Iliocostalis, longissimus, spinalis

56
Q

Divisions of iliocostalis

A

Cervicis, thoracis, lumborum

57
Q

Divisions of longissimus

A

Capitis, cervicis, thoracis

58
Q

Spinalis

A

Cervicis, thoracis

59
Q

Transverospinales

A

Semispinalis, Multifidus, Rotatores

60
Q

Divisions of Semispinalis

A

Capitis, cervicis, thoracis

61
Q

Divisions of rotatores

A

Longus and Brevis

62
Q

Spinetransversales

63
Q

Divisions of splenius

A

Capitis and Cervicis

64
Q

Deep segmental

A

Intertransversarii, Levatores Costarum, Interspinales

65
Q

Divisions of Intertransversarii

A

Cervicis, thoracis, lomborum

66
Q

Divisions of interspinales

A

Cervicis, thoracis, lumborum

67
Q

Divisions of Levatores Costarum

A

Longus and Brevis

Anatomy (4 decks)

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