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Gross Anatomy OINAs > Superficial Back POINA's > Flashcards

Superficial Back POINA's Flashcards

1
Q

Latissimus Dorsi - Proximal Attachment

A

inferior angle of scapula
ribs 9-12 or 10-12
iliac crest
thoracolumbar fascia
spinous processes T7-T12

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2
Q

Latissimus Dorsi - Distal Attachment

A

floor of the intertubercular sulcus of the humerus

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3
Q

Latissimus Dorsi - Nerve Innervation

A

thoracodorsal nerve C6, C7, C8

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4
Q

Latissimus Dorsi - Muscle Action

A

shoulder extension
shoulder adduction
shoulder internal rotation

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5
Q

Latissimus Dorsi - Purposeful Activity

A

propelling a manual wheelchair forward, pushing down on the arms of a chair to stand

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6
Q

Trapezius - Proximal Attachment

A

external occipital protuberance
superior nuchal line
ligamentum nuchae
spinous processes C7-T12

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7
Q

Trapezius - Distal Attachment

A

lateral 1/3 of clavicle
acromion
spine of scapula

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8
Q

Trapezius - Nerve Innervation

A

spinal accessory nerve (CN XI)
ventral rami of C3, C4 (pain & proprioceptive fibers)

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9
Q

Upper Trapezius - Muscle Action

A

bilaterally:
head & neck extension

unilaterally:
head & neck ipsilateral lateral flexion
head & neck contralateral rotation
scapular elevation
scapular upward rotation

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10
Q

Upper Trapezius - Purposeful Activity

A

reaching overhead for an object

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11
Q

Middle Trapezius - Muscle Action

A

scapular adduction / retraction
scapular stabilization

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12
Q

Middle Trapezius - Purposeful Activity

A

rowing a kayak

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13
Q

Lower Trapezius - Muscle Action

A

scapular depression
scapular upward rotation

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14
Q

Lower Trapezius - Purposeful Activity

A

reaching overhead for an object

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15
Q

Levator Scapulae - Proximal Attachment

A

transverse processes of C1-C4

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16
Q

Levator Scapulae - Distal Attachment

A

medial border of scapula

17
Q

Levator Scapulae - Nerve Innervation

A

cervical nerve C3, C4
dorsal scapular nerve C4, C5

18
Q

Levator Scapulae - Muscle Action

A

scapular elevation
scapular downward rotation

19
Q

Levator Scapulae - Purposeful Activity

A

shrugging the shoulders (non-verbal communication), carrying a briefcase

20
Q

Rhomboid Minor - Proximal Attachment

A

ligamentum nuchae
spinous processes of C7-T1

21
Q

Rhomboid Minor - Distal Attachment

A

medial border of scapular spine

22
Q

Rhomboid Major - Proximal Attachment

A

spinous processes of T2-T5

23
Q

Rhomboid Major - Distal Attachment

A

medial border of scapula

24
Q

Rhomboids - Nerve Innervation

A

dorsal scapular nerve C4, C5

25
Q

Rhomboids - Muscle Action

A

scapular adduction / retraction
scapular downward rotation
fix scapula to thoracic wall

26
Q

Rhomboids - Purposeful Activity

A

reaching into a back pocket

Gross Anatomy OINAs (6 decks)

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