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PT 6015 Gross Anatomy > Extrinsic Back Muscle POINA's > Flashcards

Extrinsic Back Muscle POINA's Flashcards

1
Q

Purposeful Activity of Latissimus Dorsi

A

-Propelling a manual wheelchair forward
-Using arms to help stand up from sitting

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2
Q

Origin of Latissimus Dorsi

A

Spinal Processes T 7-12
Thoracolumbar fascia
Iliac Crest
Ribs 9-12 or 10-12
7% of people have attachment to inferior angle of scapula

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3
Q

Insertion of Latissimus Dorsi

A

Floor of intertubercular sulcus of humerus

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4
Q

Action of Latissimus Dorsi

A

-Shoulder extension
-Shoulder internal rotation
-Shoulder adduction

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4
Q

Nerve innervation of Latissimus Dorsi

A

Thoracodorsal nerve
C6, C7, and C8

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5
Q

Purposeful Activity of Upper Trapezius

A

-Reaching for something overhead

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6
Q

Origin of Upper Trapezius

A

-Spinous processes of C7-T12
-External occipital protuberance
-Occiput’s Superior Nuchal Line
-Ligamentum nuchae

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7
Q

Insertion of Upper Trapezius

A

-Lateral 1/3 of clavicle
-Acromion of scapula
-Distal spine of scapula

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8
Q

Nerve Innervation of Upper Trapezius

A

-Spinal Accessory Nerve for motor (CN XI)
-Ventral rami for pain and proprioception (C3 and C4)

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9
Q

Action of Upper Trapezius

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

Purposeful Activity of Middle Trapezius

A

Rowing a kayak

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11
Q

Origin of Middle Trapezius

A

-Spinous processes of C7-T12
-External occipital protuberance
-Occiput’s Superior Nuchal Line
-ligamentum nuchae

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12
Q

Insertion of Middle Trapezius

A

-Lateral 1/3 of clavicle
-Acromion of scapula
-Middle spine of scapula

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13
Q

Nerve Innervation of Middle Trapezius

A

-Spinal Accessory Nerve for motor (CN XI)
-Ventral rami for pain and proprioception (C3 and C4)

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14
Q

Action of Middle Trapezius

A

-Scapular Adduction/Retraction
-Scapular stabilization

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15
Q

Purposeful Activity of Lower Trapezius

A

Reaching Overhead

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16
Q

Origin of Lower Trapezius

A

-Spinous processes of C7-T12
-External occipital protuberance
-Occiput’s Superior Nuchal Line
-ligamentum nuchae

17
Q

Insertion of Lower Trapezius

A

-Lateral 1/3 of clavicle
-Acromion of scapula
-Medial spine of scapula

18
Q

Nerve Innervation of Lower Trapezius

A

-Spinal Accessory Nerve for motor (CN XI)
-Ventral rami for pain and proprioception (C3 and C4)

19
Q

Action of Lower Trapezius

A

-Scapular Depression
-Scapular Upward Rotation

20
Q

Purposeful Activity of Levator Scapulae

A

-Carrying a briefcase/Farmers Carry
-Shrugging shoulders for communication

21
Q

Origin of Levator Scapulae

A

Posterior tubercles of transverse processes of C1-C4

22
Q

Insertion of Levator Scapulae

A

-Medial border of scapula between superior angle and inferior angle (root) of scapular spine (basically top medial of scapula)

23
Q

Nerve Innervation of Levator Scapulae

A

-Cervical Nerves C3 and C4
-Dorsal Scapular Nerve C4 and C5

24
Q

Action of Levator Scapulae

A

-Scapular Elevation
-Scapular Downward Rotation

25
Q

Purposeful Activity of Rhomboid Major and Minor

A

Reaching into a back pocket

26
Q

Origin of Rhomboid Major

A

Spinal Processes T2-T5

27
Q

Insertion of Rhomboid Major

A

Medial border of scapula between scapular spine and inferior angle

28
Q

Nerve Innervation of Rhomboid Major

A

Dorsal Scapular Nerve C4 and C5

29
Q

Action of Rhomboid Major

A

-Scapular Adduction/Retraction
-Scapular Downward Rotation
-Fixes scapula to thoracic wall

30
Q

Origin of Rhomboid Minor

A

-Ligamentum Nuchae
-Spinal Processes C7-T1

31
Q

Insertion of Rhomboid Minor

A

Medial border of scapular spine

32
Q

Nerve Innervation of Rhomboid Minor

A

Dorsal Scapular Nerve C4 and C5

33
Q

Action of Rhomboid Minor

A

-Scapular adduction/retraction
-Scapular downward rotation
-Fixes scapula to thoracic wall

34
Q

Origin of Serratus Posterior Superior

A

SP C7-T3

Just know where it is!

35
Q

Nerve Innervation of Serratus Posterior Superior

A

Ventral rami

36
Q

Action of Serratus Posterior Superior

A

Forced breathing. Rib ELEVATION with inhalation

37
Q

Origin of Serratus Posterior Inferior

A

SP T12-L3

Just know where it is!

38
Q

Nerve Innervation of Serratus Posterior Inferior

A

Ventral Rami

39
Q

Action of Serratus Posterior Inferior

A

Forced breathing, rib DEPRESSION with exhalation

PT 6015 Gross Anatomy (4 decks)

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