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Back Flashcards

1
Q

Serratus posterior inferior attachments

A

Spinous processes of T11-L2

Inferior aspect of ribs 9-12

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2
Q

Serratus posterior inferior innervation

A

Ventral rami of lower thoracic nerves

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3
Q

Serratus posterior inferior blood supply

A

Posterior intercostal arteries

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4
Q

Serratus posterior inferior action

A

Depresses ribs

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5
Q

Serratus posterior superior attachments

A

Ligamentum nuchae, Spinous processes C7-T3

Superior aspect of ribs 2-4

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6
Q

Serratus posterior superior innervation

A

Ventral rami of upper thoracic nerves

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7
Q

Serratus posterior superior blood supply

A

Posterior intercostal arteries

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8
Q

Serratus posterior superior action

A

Elevates ribs

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9
Q

Splenius capitis attachments

A

Nuchal ligament, spinous processes C7-T3

Mastoid process of temporal bone, lateral thrid of superior nuchal line

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10
Q

Splenius capitis innervation

A

Dorsal rami of middle cervical nerves

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11
Q

Splenius capitis blood supply

A

Descending branch of occipital artery, deep cervical artery

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12
Q

Splenius capitis action

A

Bilaterally extend head

Unilaterally same side lateral rotation

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13
Q

Splenius cervicis attachments

A

Spinous processes T3-T6

Transverse processes C1-C3

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14
Q

Splenius cervicis innervation

A

Dorsal rami of lower cervical nerves

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15
Q

Splenius cervicis blood supply

A

Descending branch of occipital artery, deep cervical artery

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16
Q

Splenius cervicis action

A

Bilaterally extend neck

Unilaterally lateral rotation of neck to same side

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17
Q

Obliquus capitis inferior attachments

A

Spine of axis

Transverse process of atlas

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18
Q

Obliquus capitis inferior innervation

A

Suboccipital nerve

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19
Q

Obliquus capitis inferior blood supply

A

Vertebral artery, descending branch of occipital artery

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20
Q

Obliquus capitis inferior action

A

Rotates atlas to turn face to same side

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21
Q

Obliquus capitis superior attachments

A

Transverse process of atlas

Occipital bone

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22
Q

Obliquus capitis superior innervation

A

Suboccipital nerve

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23
Q

Obliquus capitis superior blood supply

A

Vertebral artery, descending branch of occipital artery

24
Q

Obliquus capitis superior action

A

Extends and bends head laterally

25
Q

Rectus capitis posterior major attachments

A

Spine of axis

Inferior nuchal line

26
Q

Rectus capitis posterior major innervation

A

Suboccipital nerve

27
Q

Rectus capitis posterior major blood supply

A

Vertebral artery, descending branch of the occipital artery

28
Q

Rectus capitis posterior major action

A

Extends and rotates head to same side

29
Q

Rectus capitis posterior minor attachments

A

Spine of atlas

Inferior nuchal line

30
Q

Rectus capitis posterior minor innervation

A

Suboccipital nerve

31
Q

Rectus capitis posterior minor blood supply

A

Vertebral artery, descending branch of occipital artery

32
Q

Rectus capitis posterior minor action

A

Extends head

33
Q

Latissimus dorsi attachments

A

Spinous processes T7-L5, Thoracolumbar fascia, iliac crest, and last 3 ribs
Humerus intertuburcular sulcus

34
Q

Latissimus dorsi innervation

A

Thoracodorsal nerve

35
Q

Latissimus dorsi blood supply

A

Thoracodorsal artery, 9-11 posterior intercostal, subcostal and lumbar arteries 1-3

36
Q

Latissimus dorsi action

A

Extends, adducts, and medial rotates humerus

37
Q

Levator scapulae attachments

A

Posterior tubercles of C1-C4 transverse processes

Medial border of scapula from from superior angle to spine

38
Q

Levator scapulae innervation

A

Ventral rami of C3-C4 and dorsal scapular nerve

39
Q

Levator scapulae blood supply

A

Dorsal scapular artery, transverse cervical artery, ascending cervical artery

40
Q

Levator scapulae action

A

Elevates scapula medially

Inferiorly rotates glenoid cavity

41
Q

Rhomboid major attachments

A

T2-T5 spinous processes

Medial border of scapula below base of spine of scapula

42
Q

Rhomboid major innervation

A

Dorsal scapular nerve

43
Q

Rhomboid major blood supply

A

Dorsal scapular artery

Deep branch of transverse cervical artery

44
Q

Rhomboid major action

A

Fixes scapula to thoracic wall and retracts and rotates it to depress the glenoid cavity

45
Q

Rhomboid minor attachments

A

Ligamentum nuchae and spines of C7-T1 vertebrae

Medial border of scapula at spine

46
Q

Rhomboid minor innervation

A

Dorsal scapular nerve

47
Q

Rhomboid minor blood supply

A

Dorsal scapular artery

Deep branch of transverse cervical artery

48
Q

Rhomboid minor action

A

Fixes scapula to thoracic wall and retracts and rotates it to depress the glenoid cavity

49
Q

Trapezius attachments

A

Superior nuchal line, external occipital protuberance, nuchal ligament, spinous processes of C7–T12
Lateral third of clavicle, acromion, spine of scapula

50
Q

Trapezius innervation

A

Accessory nerve (CN XI)

51
Q

Trapezius blood supply

A

Transverse cervical artery, dorsal perforating branches of posterior intercostal arteries

52
Q

Trapezius action

A

Elevates, retracts, and rotates scapula

Lower fibers detract scapula

53
Q

Semispinalis attachments

A

Transverse processes C4-T12

Spinous processes of cervical and thoracic regions

54
Q

Semispinalis innervation

A

Dorsal rami of spinal nerves

55
Q

Semispinalis blood supply

A

Cervical: occipital, deep cervical, and vertebral arteries
Thoracic: dorsal branches of posterior intercostal arteries

56
Q

Semispinalis action

A

Extends head neck and thorax and rotates them towards opposite side

SHB (8 decks)

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