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Anatomy Lab > Superficial Back > Flashcards

Superficial Back Flashcards

(57 cards)

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1
Q

Upper trapezius origin

A

External occipital protuberance, Ligamentum nuchae, spinal processes of C7 and all thoracic vertebrae

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2
Q

Upper trapezius insertion

A

Spine of scapula; acromion; lateral third of clavicle

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3
Q

Upper trapezius action

A

Elevation of scapula (shrug)

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4
Q

Upper trapezius innervation

A

Spinal accessory nerve (CNXI)

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5
Q

Upper trapezius blood supply

A

Transverse cervical artery, dorsal perforating branches of posterior intercostal arteries

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6
Q

Middle trapezius origin

A

External occipital protuberance; Ligamentum nuchae; spinous process of C7 T1-T12

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7
Q

Middle trapezius insertion

A

Spine of scapula; acromion; lateral third of clavicle

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8
Q

Middle trapezius action

A

Retraction of scapula

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9
Q

Middle trapezius innervation

A

Spinal accessory nerve (CNXI)

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10
Q

Middle trapezius blood supply

A

Transverse cervical artery, dorsal perforating branches of posterior intercostal arteries

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11
Q

Lower trapezius origin

A

External occipital protuberance; Ligamentum nuchae; spinous process of C7 T1-T12

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12
Q

Lower trapezius insertion

A

Spine of scapula; acromion; lateral third of clavicle

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13
Q

Lower trapezius action

A

Depression of scapula

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14
Q

Lower trapezius innervation

A

Spinal accessory nerve (CNXI)

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15
Q

Lower trapezius blood supply

A

Transverse cervical artery, dorsal perforating branches of posterior intercostal arteries

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16
Q

Rhomboid major origin

A

Spinous process T2-T5

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17
Q

Rhomboid major insertion

A

Medial border of scapula below rhomboid minor

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18
Q

Rhomboid major action

A

Elevation & retraction of scapula

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19
Q

Rhomboid major innervation

A

Dorsal scapular nerve

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20
Q

Rhomboid major blood supply

A

Dorsal scapular artery

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21
Q

Rhomboid minor origin

A

Lower part of Ligamentum nuchae; spinous process of C7 and T1

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22
Q

Rhomboid minor insertion

A

Medial lip of scapular at base of spine

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23
Q

Rhomboid minor action

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A

Elevation and retraction of scapula

24
Q

Rhomboid minor innervation

Study These Flashcards
A

Dorsal scapular nerve

25
Rhomboid minor blood supply
Dorsal scapular artery
26
Levator scapulae origin
Transverse processes of C1-C4
27
Levator scapulae insertion
Superior angle and upper part of medial border of scapula
28
Levator scapulae action
Elevation of scapula, rotation of glenoid cavity downward
29
Levator scapulae innervation
Dorsal scapular nerve
30
Levator scapulae blood supply
Dorsal scapular artery
31
Latissimus dorsi orgin
Spinous process of T6-T12 and sacral vertebrae; posterior part of iliac crest
32
Latissimus dorsi insertion
Medial lip intertubercular groove of humerus
33
Latissimus dorsi action
Extension, adduction, medial rotation of arm
34
Latissimus dorsi innervation
Thoraco-dorsal nerve
35
Latissimus dorsi blood supply
Thoracodorsal artery
36
Pectoralis major clavicular head origin
Medial two thirds of clavicle
37
Pectoralis major sternal head origin
Sternum & costal cartilage 1-6
38
Pectoralis major clavicular & sternal head insertion
Lateral lip of intertubercular groove of humerus
39
Pectoralis major clavicular head action
Adduction and medial rotation & flexion of arm
40
Pectoralis major sternal head action
Adduction and medial rotation of arm
41
Pectoralis major clavicular & sternal head innervation
Medial and lateral pectoral nerves
42
Pectoralis major clavicular & sternal head blood supply
Pectoral branch of thoracoacromial artery
43
Pectoralis minor origin
Ribs 3-5
44
Pectoralis minor insertion
Corocoid process
45
Pectoralis minor action
Depression of shoulder; downward rotation of scapula
46
Pectoralis minor innervation
Medial pectoral nerve
47
Pectoralis minor blood supply
Pectoral branch of Thoraco-acromion and intercostal lateral thoracic arteries
48
Serratus anterior origin
Ribs 1-8 on anterolateral thoracic wall
49
Serratus anterior insertion
Medial border of scapula; inferior angle
50
Serratus anterior action
Protraction of the scapula; holds medial border against thoracic wall
51
Serratus anterior innervation
Long thoracic nerve
52
Serratus anterior blood supply
Lateral thoracic artery
53
Subclavius origin
1st rib
54
Subclavius insertion
Inferior surface of clavicle
55
Subclavius action
Stabilizes Sternoclavicular joint
56
Subclavius innervation
Nerve to Subclavius
57
Subclavius blood supply
Thoracoacromial & suprascapular arteries

Anatomy Lab (13 decks)

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