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Human Anatomy Exam III > Superficial & Deep Back > Flashcards

Superficial & Deep Back Flashcards

1
Q

Trapezius origin

A

Supr. nuchal line, nuchal ligament, C7-T12 spinous processes

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2
Q

Trapezius insertion

A

Lateral clavicle (A), acromion (L), and spine of scapula (P)

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3
Q

Trapezius action

A

Elevates, depresses, and retracts scapula

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4
Q

Trapezius supply

A

CN XI & transverse cervical vessels, ventral rami of C3-C4

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5
Q

Latissimus dorsi origin

A

T7-T12 spinous processes, TL fascia, and crest of ilium

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6
Q

Latissimus dorsi insertion

A

Intertubercular sulcus (bicipital groove) of humerus

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7
Q

Latissimus dorsi action

A

Adducts, extends, and medially rotates humerus

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8
Q

Latissimus dorsi supply

A

Thoracodorsal n & vessels and intercostal vessels

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9
Q

Rhomboid Minor & Major origin

A

C7-T5 spinous processes

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10
Q

Rhomboid Minor & Major insertion

A

Medial border of scapula from spine to inferior angle

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11
Q

Rhomboid Minor & Major action

A

Retract scapula

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12
Q

Rhomboid Minor & Major supply

A

Dorsal scapular n & vessels

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13
Q

Levator Scapulae origin

A

Transverse processes of first 3-4 vertebrae

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14
Q

Levator Scapulae insertion

A

Upper medial border of scapula

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15
Q

Levator Scapulae action

A

Elevates scapula

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16
Q

Levator Scapulae supply

A

Dorsal scapular n & vessels

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17
Q

Serratus Anterior origin

A

Lateral surface of first 8 ribs

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18
Q

Serratus Anterior insertion

A

Anterior surface of medial border of scapula

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19
Q

Serratus Anterior action

A

Protracts scapula & holds it to body wall

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20
Q

Serratus Anterior supply

A

Long thoracic n & lateral thoracic vessels

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21
Q

Triangle of Ausculation location

A

Between 6th & 7th ribs = 6th intercostal space

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22
Q

Triangle of Ausculation boundaries

A

Superior: Trapezius
Inferior: Latissimus dorsi
Lateral: Rhomboid Major
Floor (deep): 6th intercostal space

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23
Q

Lumbar Triangle boundaries

A

Medial: Latissimus dorsi
Lateral: External oblique
Inferior: Iliac crest
Floor (deep): Internal oblique

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24
Q

Serratus Posterior Superior origin

A

C7-T3 spinous processes

25
Q

Serratus Posterior Superior insertion

A

Superior border of ribs 2-4 (5)

26
Q

Serratus Posterior Superior action

A

Elevates upper ribs

27
Q

Serratus Posterior Superior supply

A

First 4 intercostal nn & vessels

28
Q

Serratus Posterior Inferior origin

A

T11-L2 spinous processes

29
Q

Serratus Posterior Inferior insertion

A

Inferior border of ribs 8 (or 9) through 12

30
Q

Serratus Posterior Inferior action

A

Depresses lower ribs

31
Q

Serratus Posterior Inferior supply

A

Last four intercostal nn & vessels

32
Q

Erector Spinae origin

A

Posterior sacrum, ilium, & spinous processes

33
Q

Erector Spinae insertion

A

Spinous processes, transverse processes, & ribs

34
Q

Erector Spinae action

A

Erect spine (postural mm)

35
Q

Erector Spinae supply

A

Dorsal rami of spinal nn & lumber & intercostal vessels

36
Q

Splenius Capitis & Cervicis origin

A

Nuchal ligament & upper spinous processes

37
Q

Splenius Capitis insertion

A

Occipital bone & mastoid process

38
Q

Splenius Cervicis insertion

A

Upper cervical transverse processes

39
Q

Splenius Capitis & Cervicis action

A

Extend & laterally rotate head & neck

40
Q

Splenius Capitis & Cervicis supply

A

Dorsal rami of spinal nn & deep cervical vessels

41
Q

Semispinalis Capitis & Cervicis origin

A

Upper thoracic transverse processes

42
Q

Semispinalis Capitis insertion

A

Occipital bone between nuchal lines

43
Q

Semispinalis Cervicis insertion

A

Upper cervical spines

44
Q

Semispinalis Capitis & Cervicis action

A

Extend head & neck

45
Q

Semispinalis Capitis & Cervicis supply

A

Dorsal rami of spinal nn & deep cervial vessels

46
Q

Multifidus origin

A

Sacrum & lower transverse processes

47
Q

Multifidus insertion

A

Spinous processes (span 2-4 vertebrae)

48
Q

Multifidus action

A

Laterally flexes & rotates spine

49
Q

Multifidus supply

A

Dorsal rami of spinal nn & lumbar vessels

50
Q

Rotatores origin

A

Transverse processes

51
Q

Rotatores insertion

A

Spinous processes (span 1-2 vertebrae)

52
Q

Rotatores action (unilateral & bilateral)

A

Rotate spine

Bilaterally: extend vertebral column

53
Q

Rotatores supply

A

Dorsal rami of spinal nn & intercostal vessels

54
Q

Interspinalis location

A

Between spinous processes

55
Q

Interspinalis action

A

Minor extensors of spine

56
Q

Intertransversarius location

A

Between transverse processes

57
Q

Intertransversarius action

A

Minor lateral flexors of spine

58
Q

Levatores costarum location

A

From transverse processes to ribs

59
Q

Levatores costarum action

A

Minor elevators of ribs

Human Anatomy Exam III (5 decks)

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