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General Anatomy > Back > Flashcards

Back Flashcards

1
Q

INNERVATION:

Latissimus Dorsi

A

Thoracodorsal nerve

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2
Q

ORIGIN:

Rhomboid Major

A

SP’s of T2-T5

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3
Q

INNERVATION:

Rhomboid Major

A

Dorsal Scapular Nerve

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4
Q

FUNCTIONS: Latissimus Dorsi

A

Extends, adducts, and medially rotates humerus

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5
Q

ORIGIN: Levator scapulae

A

Posterior tubercules of TP’s of C1-C4

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6
Q

ORIGIN:

Trapezius

A

Superior nuchal line

External Occipital Protuberance (EOP)

Nuchal ligament

SP’s of C7-T12

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7
Q

INNERVATION:

Levator scapulae

A

Ventral rami of C3-C4

Dorsal Scapular Nerve

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8
Q

INNERVATION:

Rhomboid Minor

A

Dorsal Scapular Nerve

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9
Q

ORIGIN:

Erector Spinae

A

Posterior sacrum
iliac crest
sacrospinatus ligament
supraspinatus ligament
SP’s of the lower lumbar region

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10
Q

ORIGIN:

Rhomboid Minor

A

Ligamentum nuchae

Spines of C7 & T1 vertebrae

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11
Q

FUNCTION:

Trapezius

A

Elevates, retracts, and rotates scapula

Lower fibers depress scapula

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12
Q

ORIGIN:

Serratus Anterior

A

Anterolateral aspects of upper eight ribs

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13
Q

INNERVATION:

Serratus Anterior

A

Long Thoracic Nerve

(which is actually _superficial_ to the serratus anterior)

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14
Q

FUNCTION:

Rhomboid Minor*

A

*Fixes scapula to thoracic wall

Retracts and rotates scapula to depress glenoid cavity

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15
Q

INSERTION:

Levator scapulae

A

Medial border of scapula from superior angle to spine

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16
Q

FUNCTIONS:

Erector Spinae

A
  • Bilateral contraction
    • extension of spine & head
  • Unilateral contraction
    • ipsilateral bending & ipsilateral rotation of the spine
17
Q

FUNCTION:

Levator scapulae

A

Elevates scapula medially

Rotates glenoid fossa inferiorly

18
Q

INSERTION:

Trapezius

A

Lateral third of clavicle

Acromion

Spine of scapula

19
Q

INSERTION:

Serratus Anterior

A

Medial border of scapula

20
Q

INSERTION:
Rhomboid Minor

A

Medial border of scapula, AT spine of scapula

21
Q

INNERVATION:

Erector Spinae

A

Dorsal rami of each region

22
Q

FUNCTION:

Rhomboid Major

A

Fixes scapula to thoracic wall

Retracts & rotates scapula to depress glenoid cavity

23
Q

INNERVATION:

Trapezius

A

Spinal Accessory Nerve (CN XI)

24
Q

INSERTION:

Rhomboid Major

A

Medial border of scapula, BELOW base of spine of scapula

25
Q

ORIGIN:

Latissimus Dorsi

A

SP’s of T7-L5

Thoracolumbar fascia

Iliac crest

Last three ribs

26
Q

INSERTION:

Latissimus Dorsi

A

Humerus (intertubercular sulcus)

27
Q

FUNCTION:

Serratus anterior

A

Scapular abduction

Upward rotation of lateral angle

General Anatomy (3 decks)

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