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Gross Anatomy 1 > Quiz 1 > Flashcards

Quiz 1 Flashcards

1
Q

Origin of descending head/transverse part/ascending head of trapezius muscle

A

Superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of C7-T12

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2
Q

Insertion of descending head/transverse part/ascending head of trapezius muscle

A

Lateral 1/3 clavicle + acromion + spine of scapula

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3
Q

Innervation of descending head/transverse part/ascending head of trapezius muscle

A

Motor by spinal accessory nerve and proprioception nerve

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4
Q

Spinal levels of descending head/transverse part/ascending head of trapezius muscle

A

C3, C4 + spinal part of cranial nerve IX

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5
Q

Action of descending head of trapezius muscle

A

Depress scapula

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6
Q

Action of transverse part of trapezius muscle

A

Retract scapula

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7
Q

Action of ascending head of trapezius muscle

A

Elevate scapula

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8
Q

Origin of latissimus dorsi

A

Thoracolumbar fascia, spinous processes T6-T12, 5th lumbar vertebrae, sacrum, iliac crest, last 3-4 ribs

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9
Q

Insertion of latissimus dorsi

A

Floor of intertubercular groove of humerus

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10
Q

Innervation of latissimus dorsi

A

Thoracodorsal nerve (middle subscapular)

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11
Q

Spinal levels of latissimus dorsi

A

C6, C7, C8

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12
Q

Action of latissimus dorsi

A

Adduction, extension, and medial rotation of the humerus

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13
Q

Origin of rhomboid major

A

Spinous processes of T2-T5 of thoracic vertebrae

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14
Q

Insertion of rhomboid major

A

Medial border of scapula between the spine + inferior angle

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15
Q

Innervation of rhomboid major

A

Dorsal scapular nerve

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16
Q

Spinal levels of rhomboid major

A

C4 + C5

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17
Q

Action of rhomboid major

A

Retraction of scapula elevation medial border of scapula

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18
Q

Origin of rhomboid minor

A

Spinous processes C7-T1

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19
Q

Insertion of rhomboid minor

A

Scapular spine + superior angle of the scapula

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20
Q

Innervation of rhomboid minor

A

Dorsal scapular nerve

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21
Q

Spinal levels of rhomboid minor

A

C4 + C5

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22
Q

Action of rhomboid minor

A

Retraction of the scapula, elevation of medial border of scapula

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23
Q

Origin of levator scapulae

A

Posterior tubercles of TVP’s for C1-C3 or C4

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24
Q

Insertion of levator scapulae

A

Superior angle of scapula

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25
Q

Innervation of levator scapulae

A

Dorsal scapular nerve + ventral rami C3-C4

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26
Q

Spinal levels of levator scapulae

A

C3, C4, C5

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27
Q

Actions of levator scapulae

A

-downward rotation of glenoid cavity of scapula
-elevates + retracts scapula with trapezius
-laterally flexes neck if scapula is fixed

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28
Q

Origin of anterior head of deltoid

A

Lateral 1/3rd of clavicle

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29
Q

Origin of middle head of deltoid

A

Acromion

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30
Q

Origin of posterior head of deltoid

A

Spine of the scapula

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31
Q

Insertion of deltoid

A

Deltoid tuberosity of humerus

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32
Q

Innervation of deltoid

A

Axillary nerve

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33
Q

Spinal levels of deltoid

A

C5 + C6

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34
Q

Action of anterior head of deltoid

A

Flexes + medically rotates humerus

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35
Q

Action of middle head of deltoid

A

Abduction of humerus after the first 15 degrees

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36
Q

Action of posterior head of deltoid

A

Extends + laterally rotates humerus

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37
Q

Origin of teres major

A

Lower lateral border + inferior angle of scapula

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38
Q

Insertion of teres major

A

Medial lip of the inter-tubercular groove

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39
Q

Innervation of teres major

A

Lower subscapular nerve

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40
Q

Spinal levels of teres major

A

C5 + C6

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41
Q

Action of teres major

A

Adducts + medically rotates humerus

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42
Q

Origin of teres minor

A

Middle part of the lateral border of the scapular

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43
Q

Insertion of teres minor

A

Inferior facet of the greater tubercle

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44
Q

Innervation of teres minor

A

Axillary nerve

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45
Q

Spinal levels of teres minor

A

C5 + C6

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46
Q

Action of teres minor

A

Lateral rotation of the humerus

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47
Q

Origin of infraspinatus

A

Infraspinatus fossa of scapula

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48
Q

Insertion of infraspinatus

A

Middle facet of greater tubercle

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49
Q

Innervation of infraspinatus

A

Suprascapular nerve

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50
Q

Spinal levels of infraspinatus

A

C5 + C6

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51
Q

Action of infraspinatus

A

Lateral rotation of the humerus

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52
Q

Origin of supraspinatus

A

Supraspinatus fossa of the scapula

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53
Q

Insertion of supraspinatus

A

Superior facet of greater tubercle

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54
Q

Innervation of supraspinatus

A

Suprascapular nerve

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55
Q

Spinal levels of supraspinatus

A

C4, C5, + C6

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56
Q

Action of supraspinatus

A

Initiates abduction of the humerus at gelnohumeral joint, laterally rotates humerus when decelerating the arm in a throwing motion

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57
Q

Origin of subscapularis

A

Subscapular fossa scapula

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58
Q

Insertion of subscapularis

A

Lesser tubercle humerus

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59
Q

Innervation of subscapularis

A

Upper + lower subscapular nerve

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60
Q

Spinal levels of subscapularis

A

C5, C6, + C7

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61
Q

Action of subscapularis

A

Medial rotation of humerus

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62
Q

How many roots are in the brachial plexus?

A

5 roots

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63
Q

how many trunks are in the brachial plexus?

A

3

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64
Q

how many divisions are in the brachial plexus?

A

6

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65
Q

how many cords are in the brachial plexus?

A

3

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66
Q

how many terminal branches are in the brachial plexus?

A

5

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67
Q

triangular space

A

the space that is created by the teres minor, teres major, and long head of the triceps

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68
Q

what are the contents in the triangular space?

A

circumflex scapular artery

69
Q

quadrangular space

A

the space that is created by the teres minor, teres major, long head of the tricpes, and lateral head of the triceps

70
Q

what are the contents of the quadrangular space?

A

axillary nerve and the posterior humeral circumflex artery

71
Q

triangular interval

A

the space that is created by teres major, the lateral head of the triceps, and the long head of the triceps

72
Q

what are the contents of the triangular interval?

A

radial nerve and the profunda (deep) brachii artery

73
Q

how many parts are there in the axillary artery?

A

3

74
Q

where is the first part of the axillary artery in relation to its origin?

A

most proximal; closest

75
Q

where is the third part of the axillary artery in relation to its origin?

A

most distal; farthest

76
Q

what are the branch(es) of the first part of the axillary artery?

A

superior thoracic artery

77
Q

what are the branch(es) of the second part of the axillary artery?

A

thoracoacromial artery and lateral thoracic artery

78
Q

what are the branch(es) of the third part of the axillary artery?

A

subscapular artery, anterior humeral circumflex artery, and posterior humeral circumflex artery

79
Q

foerster dermatome mapping

A

clinical mapping. thicker bands

80
Q

keegan + garrett dermatome mapping

A

embryological mapping. thinner, more narrow bands

81
Q

what roots become the superior/upper trunk in the brachial plexus?

A

C5 and C6 nerve

82
Q

what roots become the middle trunk in the brachial plexus?

A

C7 nerve

83
Q

what roots become the inferior/lower trunk in the brachial plexus?

A

C8 and T1 nerves

84
Q

what divisions become the lateral cord of the brachial plexus?

A

the C5/C6 anterior division and the C7 anterior division

85
Q

what divisions become the medial cord of the brachial plexus?

A

the C8/T1 anterior division

86
Q

what divisions become the posterior cord of the brachial plexus?

A

the C5/C6 posterior division, C7 posterior division, and theC8/T1 posterior division

87
Q

what cord does the terminal branch, musculocutaneous nerve, come from?

A

lateral

88
Q

what cord does the terminal branch, axillary nerve, come from?

A

posterior

89
Q

what cord does the terminal branch, radial nerve, come from?

A

posterior

90
Q

what cord does the terminal branch, median nerve, come from?

A

the lateral and medial cords come together to form the median nerve

91
Q

what cord does the terminal branch, ulnar nerve, come from?

A

medial

92
Q

deltopectoral triangle

A

the space that is created by the deltoid, pectoralis major, and clavicle

93
Q

what runs through the deltopectoral triangle?

A

cephalic vein, thoracoacromial trunk a, and lateral pectoral n

94
Q

what is another name for the deltopectoral triangle?

A

clavipectoral triangle

95
Q

origin of triceps long head

A

infraglenoid tubercle of scapula

96
Q

insertion of triceps long head

A

olecranon process of ulna

97
Q

action of triceps long head

A

stabilizes glenohumeral joint, extends forearm @ elbow, extends humerus @ glenohumeral joint

98
Q

innervation of triceps long head

A

radial nerve

99
Q

spinal levels of triceps long head

A

C7

100
Q

origin of triceps lateral head

A

posterior lateral surface of the humerus

101
Q

insertion of the triceps lateral head

A

olecranon process of ulna

102
Q

action of triceps lateral head

A

extends forearm @ elbow + extends humerus @ glenohumeral joint

103
Q

innervation of tricpes lateral head

A

radial nerve

104
Q

spinal levels of triceps lateral head

A

C6

105
Q

origin of triceps medial head

A

posterior/lateral surface of the humerus

106
Q

insertion of the triceps medial head

A

olecranon process of ulna

107
Q

action of triceps medial head

A

extends forearm @ elbow + extends humerus @ glenohumeral joint

108
Q

innervation of triceps medial head

A

radial nerve

109
Q

spinal level of triceps medial head

A

C8

110
Q

origin of biceps brachii short head

A

coracoid process of scapula

111
Q

insertion of biceps brachii short head

A

radial tuberosity + bicipital aponeurosis

112
Q

action of biceps brachii short head

A

primary forearm flexor (w/supination), flexes forearm w/elbow extended, and primary supinator (w/pronation)

113
Q

innervation of biceps brachii short head

A

musculocutaneous n.

114
Q

spinal levels of biceps brachii short head

A

C5/C6

115
Q

origin of biceps brachii long head

A

supraglenoid tubercle of scapula

116
Q

insertion of biceps brachii long head

A

radial tuberosity + bicipital aponeurosis

117
Q

action of biceps brachii long head

A

stabilizes glenohumeral joint, primary forearm flexor, and primary supinator

118
Q

innervation of the biceps brachii long head

A

musculocutaneous n

119
Q

spinal levels of biceps brachii long head

A

C5/C6

120
Q

origin of brachialis

A

distal half of anterior humerus

121
Q

insertion of brachialis

A

ulnar tuberosity + anterior coronoid process

122
Q

action of brachialis

A

flexes forearm @ elbow from ANY position. primary elbow flexor

123
Q

innervation of brachialis

A

musculocutaneous n

124
Q

spinal levels of brachialis

A

C5/C6/C7

125
Q

origin of coracobrachialis

A

coracoid process of scapula

126
Q

insertion of coracobrachialis

A

medial middle humerus

127
Q

action of coracobrachialis

A

flex + adduct humerus @ glenohumeral joint

128
Q

innervation of coracobrachialis

A

musculocutaneous n

129
Q

spinal level of coracobrachialis

A

C5/C6/C7

130
Q

origin of subclavius m

A

superior surface of costal end of 1st rib

131
Q

insertion of subclavius m

A

inferior surface of the middle third of clavicle

132
Q

action of subclavius m

A

stabilizes clavicle

133
Q

innervation of subclavius m

A

n to subclavius muscle

134
Q

spinal level of subclavius m

A

C5/C6

135
Q

insertion of longus coli

A

anterior C3-T3 vertebrae

136
Q

insertion of longus coli m

A

anterior C1-C6 vertebrae

137
Q

action of longus coli m

A

flexes + rotates neck @ cervical vertebral joints

138
Q

innervation of longus coli m

A

anterior rami of C2-C6

139
Q

origin or serratus anterior

A

external surfaces of ribs 1-9

140
Q

insertion of serratus anterior m

A

medial border of scapula

141
Q

action of serratus anterior m

A

protract + upwardly rotate pectoral girdle at AC + SC joints

142
Q

innervation of serratus anterior m

A

long thoracic n

143
Q

spinal levels of serratus anterior m

A

C5/C6/C7

144
Q

origin of scalenus anterior m

A

anterior tubercles of C3-C6 vertebrae transverse processes

145
Q

insertion of scalenus anterior m

A

scalene tubercle of first rib

146
Q

innervation of scalenus anterior m

A

anterior rami of C4-C6 n

147
Q

action of scalenus anterior m

A

flexes, rotates, + laterally flexes neck. elevates first rib

148
Q

origin of scalenus medius m

A

transverse processes of C2-C7 vertebrae

149
Q

insertion of scalenus medius m

A

superior surface of first rib

150
Q

action of scalenus medius m

A

laterally flexes neck. elevates first rib

151
Q

innervation of scalenus medius m

A

anterior rami of C3-C8 n

152
Q

origin of scalenus posterior m

A

posterior tubercles of transverse processes of C4-C6 vertebrae

153
Q

insertion of scalenus posterior m

A

external surfaces of second rib

154
Q

action of scalenus posterior m

A

laterally flexes neck. elevates second rib

155
Q

innervation of scalenus posterior m

A

anterior rami of C4-C6

156
Q

origin of pectoralis major m

A

clavicular head, anterior medial half of clavicle, sternocostal head, manubrium, sternal body, true ribs + costal cartilage, external abdominal oblique aponeurosis

157
Q

insertion of pectoralis major m

A

crest of greater tubercle of humerus

158
Q

action of pectoralis major m

A

adducts, medially rotates, + transversely adducts arm at GH joint. depress pectoral girdle at AC + SC joints

159
Q

innervation of pectoralis major m

A

medial + lateral pectoral n

160
Q

origin of pectoralis minor m

A

anterior ends of ribs 3-5

161
Q

insertion of pectoralis minor m

A

coracoid process of scapula

162
Q

action of pectoralis minor m

A

protracts + downwardly rotates pectoral girdle at AC + SC joints

163
Q

innervation of pectoralis minor m

A

medial + lateral pectoral n

164
Q

what kind of joint is the sternoclavicular joint?

A

synovial/plane-pivot + acts like ball and socket

165
Q

what kind of joint is the costoclavicular joint?

A

syndesmosis/amphiarthrosis

166
Q

what kind of joint is the acromioclavicular joint?

A

synovial/plane

167
Q

what kind of joint is the coracoclavicular joint?

A

syndesmosis/amphiarthrosis

168
Q

what kind of joint is the scapular thoracic joint?

A

physiological/plane glide

169
Q

what kind of joint is the glenohumeral joint?

A

synovial/ ball + socket

Gross Anatomy 1 (5 decks)

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