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Human Structure UAMS > Back > Flashcards

Back Flashcards

1
Q

What is the origin of the trapezius muscle?

A

Medial third of superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of CVII to TXII

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2
Q

What is the insertion of the trapezius muscle?

A

lateral one third of the clavicle, medial side of the acromion and the upper crest of the scapular spine, tubercle of the scapular spine

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3
Q

What is the innervation of the trapezius muscle?

A

motor: spinal accessory (XI), proprioception: C3-C4

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4
Q

What is the function of the trapezius muscle?

A

Assists in rotating the scapular during abduction of humorous above horizontal; upper fibers elevate, middle fibers adduct, and lower fibers depressed scapula

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5
Q

What is the blood supply of the trapezius muscle?

A

Transverse cervical artery

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6
Q

Which muscles make up the superficial or appendicular group of back muscles?

A

Trapezius, latissimus dorsi, levator scapulae, rhomboid major, rhomboid minor

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7
Q

What is the origin of the latissimus dorsi muscle?

A

Spinous processes of TVII to LV and sacrum, iliac crest, ribs X to XII

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8
Q

What is the insertion of the latissimus dorsi muscle?

A

Floor of intertubercular sulcus of humerus

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9
Q

What is the innervation of the latissimus dorsi muscle?

A

Thoracodorsal nerve C7 & C8 from the posterior cord of the brachial plexus

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10
Q

What is the blood supply of the latissimus dorsi muscle?

A

Thoracodorsal artery

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11
Q

What is the function of the latissimus dorsi muscle?

A

Extends and medially rotates humerus

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12
Q

What is the origin of the levator scapulae muscle?

A

Transverse processes of CI to CIV

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13
Q

What is the insertion of the levator scapulae muscle?

A

Upper portion medial border of scapula

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14
Q

What is the innervation of the levator scapulae muscle?

A

Dorsal scapular nerve (C5); the upper part of the muscle receives branches of C3 and C4

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15
Q

What is the blood supply the levator scapulae muscle?

A

Dorsal scapular artery

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16
Q

What is the function of the levator scapulae muscle?

A

Elevate scapula

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17
Q

What is the origin of the rhomboid major muscle?

A

Spinous processes of TII to TV

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18
Q

What is the insertion of the rhomboid major muscle?

A

Medial border of the scapula inferior to the spine of the scapula

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19
Q

What is the innervation of the rhomboid major muscle?

A

Dorsal scapular nerve (C4, C5)

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20
Q

What is the blood supply of the rhomboid major muscle?

A

Dorsal scapular artery

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21
Q

What is the function of the rhomboid major muscle?

A

Retracts and elevates scapula

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22
Q

What is the origin of the rhomboid minor muscle?

A

Lower portion of the ligamentum nuchae, spinous processes of CVII and TI

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23
Q

What is the insertion of the rhomboid minor muscle?

A

Medial border of the scapula at the root of the spine of the scapula

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24
Q

What is the innervation of the rhomboid minor muscle?

A

Dorsal scapular nerve (C4, C5)

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25
Q

What is the blood supply of the rhomboid minor muscle?

A

Dorsal scapular artery

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26
Q

What is the function of the rhomboid minor muscle?

A

Retracts and elevates scapula

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27
Q

Which muscles are included in the intermediate group of back muscles?

A

Serratus posterior superior, serratus posterior inferior

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28
Q

What is the origin of the serratus posterior superior muscle?

A

Lower portion of ligamentum nuchae, spinous processes of CVII to TIII and supraspinous ligaments

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29
Q

What is the insertion of the serratus posterior superior muscle?

A

Upper border of ribs II to V just lateral of their angles

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30
Q

What is the innervation of the serratus posterior superior muscle?

A

Anterior rami of upper thoracic nerves (T2 to T5)

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31
Q

What is the function of the serratus posterior superior muscle?

A

Elevates ribs 2 to 5

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32
Q

What is the blood supply of the serratus posterior superior muscle?

A

Posterior intercostal arteries one through four

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33
Q

What is the origin of the serratus posterior inferior muscle?

A

Spinous processes of TXI to LIII (T11 to L3) and supraspinous ligaments

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34
Q

What is the insertion of the serratus posterior inferior muscle?

A

Lower border of ribs IX to XII just lateral to the angles

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35
Q

What is the innervation of the serratus posterior inferior muscle?

A

Anterior Rami of lower thoracic nerves (T9 to T12)

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36
Q

What is the blood supply to the serratus posterior inferior muscle?

A

Lowest posterior intercostal artery, subcostal artery, first 2 lumbar arteries

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37
Q

What is the function of the serratus posterior inferior muscle?

A

Depresses ribs 9 to 12 and may prevent lower ribs from being elevated when the diaphragm contracts

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38
Q

What is the origin of the splenius capitis muscle?

A

Lower half of the ligamentum nuchae, spinous processes of CVII to TIV (C7 to T4)

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39
Q

What is the insertion of the splenius capitis muscle?

A

Mastoid process, skull below lateral 1/3 of superior nuchal line

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40
Q

What is the innervation of the splenius capitis muscle?

A

Posterior rami middle cervical nerves

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41
Q

What is the blood supply of the splenius capitis muscle?

A

Supplied segmentally by deep cervical artery, posterior intercostal arteries

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42
Q

What is the function of the splenius capitis muscle?

A

Together — draw head backward, extending neck; individually — draw and rotate head to one side

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43
Q

What is the origin of the splenius cervicis muscle?

A

Spinous processes of TIII to TVI

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44
Q

What is the insertion of the splenius cervicis muscle?

A

Transverse processes of CI to CII

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45
Q

What is the innervation of the splenius cervicis muscle?

A

Posterior rami lower cervical nerves

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46
Q

What is the blood supply of the splenius cervicis muscle?

A

Supplied segmentally by: deep cervical artery, posterior intercostal arteries

47
Q

What is the function of the splenius cervicis muscle?

A

Together – extend neck; individually – draw and rotate head from one side

48
Q

What are the spinotransversales muscles?

A

Splenius capitis

Splenius cervicis

49
Q

Name the three erector spinae muscles.

A

Iliocostalis
longissimus
spinalis

50
Q

What is part of the scapula is the arrow pointing to?

A

Inferior Angle

51
Q

What is part of the scapula is the arrow pointing to?

A

Infraglenoid Tubercle

52
Q

What part of the scapula is the arrow pointing to?

A

Subscapular Fossa

53
Q

What part of the scapula is the arrow pointing to?

A

Suprascapular Notch

54
Q

What is part of the scapula is the arrow pointing to?

A

Infraspinous Fossa

55
Q

What is part of the scapula is the arrow pointing to?

A

Lateral Border of the Scapula

56
Q

What is part of the scapula is the arrow pointing to?

A

Medial Border of the Scapula

57
Q

What is part of the scapula is the arrow pointing to?

A

Spine of the Scapula

58
Q

What is part of the scapula is the arrow pointing to?

A

Supraspinous Fossa

59
Q

What is part of the scapula is the arrow pointing to?

A

Superior Angle of the Scapula

60
Q

What is part of the scapula is the arrow pointing to?

A

Acromial Angle

61
Q

What is part of the scapula is the arrow pointing to?

A

Acromion of the Scapula

62
Q

What is part of the scapula is the arrow pointing to?

A

Neck of the Scapula

63
Q

What is part of the scapula is the arrow pointing to?

A

Glenoid Cavity

64
Q

What is part of the scapula is the arrow pointing to?

A

Spinoglenoid Notch

65
Q

What is part of the scapula is the arrow pointing to?

A

Supraglenoid Tubercle

66
Q

What is part of the scapula is the arrow pointing to?

A

Coracoid Process

67
Q

What is part of the scapula is the arrow pointing to?

A

Superior Border of the Scapula

68
Q

What is the arrow pointing at?

A

Acromial End of the Clavicle

69
Q

What is the arrow pointing at?

A

Conoid Tubercle

70
Q

What is the arrow pointing at?

A

Clavicle Shaft

71
Q

What is the arrow pointing at?

A

Sternal End of the Clavicle

72
Q

What is the arrow pointing at?

A

Trapezoid Line

73
Q

What muscle is highlighted in green?

A

Latissimus Dorsi

74
Q

What muscle is highlighted in green?

A

Trapezius

75
Q

What muscle is highlighted in green?

A

Rhomboid Major

76
Q

What muscle is highlighted in green?

A

Rhomboid Minor

77
Q

What muscle is highlighted in green?

A

Serratus Posterior Superior

78
Q

What muscle is highlighted in green?

A

Splenius Capitis

79
Q

What muscle is highlighted in green?

A

Splenius Cervicis

80
Q

What muscle is highlighted in green?

A

Deltoid, Posterior Head

81
Q

What muscle is highlighted in green?

A

Deltoid, Middle Head

82
Q

What muscle is highlighted in green?

A

Supraspinatous

83
Q

What muscle is highlighted in green?

A

Infraspinatous

84
Q

What muscle is highlighted in green?

A

Teres Minor

85
Q

What muscle is highlighted in green?

A

Teres Major

86
Q

What muscle is highlighted in green?

A

Deltoid, Anterior Head

87
Q

What muscle is highlighted in green?

A

Serratus Posterior Inferior

88
Q

What is the innervation of the anterior, middle, and posterior heads of the deltoid?

A

Axillary Nerve

89
Q

What is the blood supply of the anterior, middle, and posterior heads of the deltoid?

A

Posterior Circumflex Humeral Artery

90
Q

What is the innervation of the supraspinatus muscle?

A

Suprascapular Nerve

91
Q

What is the blood supply of the supraspinatus?

A

Suprascapular Artery

92
Q

What is the innervation of the infraspinatus muscle?

A

Suprascapular nerve

93
Q

What is the blood supply of the infraspinatus muscle?

A

Suprascapular artery and circumflex scapular artery

94
Q

What is the innervation of the Teres minor muscle?

A

Axillary Nerve

95
Q

What is the blood supply of the Teres minor muscle?

A

Circumflex Scapular Artery

96
Q

What is the innervation of the Teres major muscle?

A

Lower Subscapular Nerves

97
Q

What is the blood supply of the Teres major muscle?

A

Circumflex Scapular Artery

98
Q

What is the innervation of the Subscapularis muscle?

A

Upper and lower Subscapular nerves

99
Q

What is the blood supply of the subscapularis muscle?

A

Subscapular Artery

100
Q

What is the insertion of the infraspinatus muscle?

A

Greater tubercle of the humerus

101
Q

What is the insertion of the supraspinatus muscle?

A

Greater tubercle of the humerus

102
Q

What is the insertion of the Teres minor muscle?

A

The greater tubercle of the humerus

103
Q

What is the insertion of the Teres major muscle?

A

Intertubercular groove of the humerus

104
Q

What is the insertion of the subscapularis muscle?

A

Lesser Tubercle of the Humerus

105
Q

What is the insertion of the anterior, middle, and posterior heads of the deltoid?

A

Deltoid tuberosity on the lateral side of the humerus

106
Q

What is the origin of the supraspinatus muscle?

A

Supraspinous fossa

107
Q

What is the origin of the infraspinatus muscle?

A

Infraspinous fossa

108
Q

What is the origin of the Teres minor muscle?

A

Lateral border of the scapula

109
Q

What is the origin of the Teres major muscle?

A

The inferior angle of the scapula

110
Q

What is the origin of the posterior head of the deltoid?

A

Spine of the scapula

111
Q

What is the origin of the middle head of the deltoid?

A

Acromion of the scapula

112
Q

What is the origin of the anterior head of the deltoid?

A

Lateral third of the clavicle

113
Q

What is the origin of the subscapularis muscle?

A

Subscapular fossa

Human Structure UAMS (1 decks)

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