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Gross Anatomy > Lab Practical 1 > Flashcards

Lab Practical 1 Flashcards

1
Q

Trapezius origin and insertion

A
  • Origin: Occipital protuberance, Ligamentum nuchae, Spinous processes of C7-T12
  • Insertion: (Upper fibers) - Lateral clavicle
    (Middle fibers) - Spine of scapula
    (Lower fibers) - Root of spine of scapula
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2
Q

Trapezius action and nerve supply

A
  • Action: (Upper fibers) - Elevation of scapula, Upward Rotation of scapula
    (Middle fibers) - Retraction of scapula
    (Lower fibers) - Depression of scapula, Upward rotation of scapula
  • Nerve Supply: spinal accessory nerve (CNXI)
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3
Q

Rhomboid Minor origin and insertion

A
  • Origin: Spinous processes of C7-T1

- Insertion: Root of spine of scapula

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4
Q

Rhomboid minor action and nerve supply

A
  • Action: Retraction of scapula, Downward rotation of scapula (look at glenoid for hint at movement)
  • Nerve supply: dorsal scapular nerve
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5
Q

Rhomboid major origin and insertion

A
  • Origin: Spinous processes of T2-T5

- Insertion: Vertebral border of scapula inferior to root of spine

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6
Q

Rhomboid major action and nerve supply

A
  • Action: Retraction of scapula, Downward rotation of scapula (look at glenoid for hint at movement)
  • Nerve supply: dorsal scapular nerve
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7
Q

Levator Scapulae origin and insertion

A
  • Origin: Transverse processes of C1-C4

- Insertion: vertebral border of scapula superior to root of spine

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8
Q

Levator Scapulae action and nerve supply

A
  • Action: elevation of scapula, downward rotation of scapula

- Nerve supply: dorsal scapular nerve

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9
Q

Latissimus Dorsi origin and insertion

A
  • Origin: Spinous processes of T7-T12, Lower ribs, Thoracolumbar aponeurosis, Iliac crest
  • Insertion: Bicipital groove of humerus
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10
Q

Latissimus Dorsi action and nerve supply

A
  • Action: Extension of shoulder, Internal rotation of shoulder, Adduction of shoulder
  • nerve supply: thoracodorsal nerve
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11
Q

Serratus posterior superior origin and insertion

A
  • Origin: ligamentum nuchae, spinous processes of C7-T3

- Insertion: superior border of ribs 2-4

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12
Q

Serratus poster superior action and nerve supply

A
  • action: elevates ribs

- nerve supply: intercostal nerves T1-T4

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13
Q

Serratus poster inferior origin and insertion

A
  • origin: spinous processes of T11-L2

- insertion: inferior borders of ribs 9-12

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14
Q

Serratus poster inferior action and nerve supply

A
  • action: depresses ribs

- nerve supply: intercostal nerves T9-T12

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15
Q

Iliocostalis origin and insertion

A
  • origin: Posterior ribs, Thoracolumbar aponeurosis, Iliac crest, Sacrum
  • insertion: Transverse processes of cervical vertebrae, Posterior ribs
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16
Q

Iliocostalis action and nerve supply

A
  • action: Extension of vertebral column, Lateral flexion of vertebral column
  • nerve supply: posterior rami of spinal nerves
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17
Q

Longissimus origin and insertion

A
  • origin: Transverse processes of cervical and thoracic vertebrae, Thoracolumbar aponeurosis, Iliac crest, Sacrum
  • insertion: Mastoid process, Transverse processes of cervical and thoracic vertebrae
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18
Q

Longissimus action and nerve supply

A
  • action: Extension of vertebral column, Lateral flexion of vertebral column
  • nerve supply: posterior rami of spinal nerves
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19
Q

spinalis origin and insertion

A
  • origin: Ligamentum nuchae, Spinous processes of cervical, thoracic, and lumbar vertebrae
  • insertion: Occipital bone, Spinous processes of cervical and thoracic vertebrae
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20
Q

spinalis action and nerve supply

A
  • action: Extension of vertebral column, Lateral flexion of vertebral column
  • nerve supply: posterior rami of spinal nerves
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21
Q

Rectus capitus posterior major origin and insertion

A
  • origin: spinous process of axis

- insertion: occipital bone

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22
Q

Rectus capitus posterior major action and nerve supply

A
  • action: Extension of atlanto-occipital joint, Ispilateral rotation at the atlanto-axial joint
  • nerve supply: posterior ramus of spinal nerve C1
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23
Q

Rectus capitus posterior minor origin and insertion

A
  • origin: posterior tubercle of atlas

- insertion: occipital bone

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24
Q

Rectus capitus posterior minor action and nerve supply

A
  • action: extension of Atlanto-occipital joint

- nerve supply: posterior ramus of spinal nerve C1

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25
Q

Obliquus capitus superior origin and insertion

A
  • origin: transverse process of atlas

- insertion: occipital bone

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26
Q

Obliquus capitus superior action and nerve supply

A
  • action: Extension of atlanto-occipital joint, Lateral flexion of atlanto-occipital joint
  • nerve supply: posterior ramus of spinal nerve C1
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27
Q

Obliquus capitus inferior origin and insertion

A
  • origin: superior process of axis

- insertion: transverse process of the atlas

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28
Q

Obliquus capitus inferior action and nerve supply

A
  • action: Ipsilateral rotation of the atlanto-axial joint

- nerve supply: posterior ramus of spinal nerve C1

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29
Q

splenius capitus origin and insertion

A
  • origin: Spinous process of C7-T3, Ligamentum nuchae

- insertion: occipital bone, mastoid process

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30
Q

splenius capitus action and nerve supply

A
  • action: Extension of head and neck, Lateral flexion and rotation of head
  • nerve supply: posterior ramus spinal nerve C2-C3
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31
Q

pectoralis major origin and insertion

A
  • origin: – Medial clavicle, Sternum, and costal cartilages of superior ribs
  • insertion: Lateral bicipital (intertubercular) groove of humerus
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32
Q

pectoralis major action and nerve supply

A
  • action: (Both) Adduction of shoulder, Horizontal adduction of shoulder, Internal rotation of shoulder
    (Clavicular head) Flexion of shoulder
    (Sternal head) Extension of shoulder to neutral
  • nerve supply: (Clavicular head) Lateral and medial pectoral nerves
    (Sternal head) Medial pectoral nerve
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33
Q

pectoralis minor origin and insertion

A
  • origin: anterior surface of ribs 3-5

- insertion: coracoid process of scapula

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34
Q

pectoralis minor action and nerve supply

A
  • action: Protraction of scapula, Depression of scapula, Downward rotation of scapula
  • nerve supply: medial pectoral nerve
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35
Q

serratus anterior origin and insertion

A
  • origin: lateral surface of superior ribs

- insertion: medial (vertebral) border of scapula

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36
Q

serratus anterior action and nerve supply

A
  • action: Protraction of scapula, Upward rotation of scapula, Holds scapula to thoracic wall
  • nerve supply: long thoracic nerve
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37
Q

subclavius origin and insertion

A
  • origin: costal cartilage of rib 1

- insertion: inferior border of clavicle

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38
Q

subclavius action and nerve supply

A
  • action: stabilizes clavicle

- insertion: nerve to subclavius

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39
Q

scalenes origin and insertion

A
  • origin: transverse processes of cervical vertebrae

- insertion: ribs 1 and 2

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40
Q

scalenes action and nerve supply

A
  • action: Elevation of ribs 1 and 2, Flexion of cervical vertebrae, Lateral flexion of cervical vertebrae
  • nerve supply: anterior rami of spinal nerves
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41
Q

SCM origin and insertion

A
  • origin: (Sternal head) – Manubrium
    (Clavicular head) – Medial clavicle
  • insertion: mastoid process
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42
Q

SCM action and nerve supply

A
  • action: Flexion of neck, Ipsilateral lateral flexion of neck and contralateral rotation of neck
  • nerve supply: CNXI
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43
Q

platysma origin and insertion

A
  • origin: fascia over upper chest

- insertion: mandible

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44
Q

platysma action and nerve supply

A
  • action: tension of skin of neck

- nerve supply: CNVII

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45
Q

external intercostals origin and insertion

A
  • origin: inferior margin of rib above

- insertion: superior margin of rib below

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46
Q

external intercostals action and nerve supply

A
  • action: elevates ribs during inspiration

- nerve supply: intercostal nerves

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47
Q

internal intercostals origin and insertion

A
  • origin: inferior margin of rib above

- insertion: superior margin of rib below

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48
Q

internal intercostals action and nerve supply

A
  • action: elevates ribs during inspiration

- nerve supply: intercostal nerves

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49
Q

biceps brachii origin and insertion

A
  • origin: (Short head) – Coracoid process
    (Long head) – Supraglenoid tubercle
  • insertion: (Tendon) – Radial tuberosity
    (Bicipital aponeurosis) – Antebrachial fascia (medial side)
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50
Q

biceps brachii action and nerve supply

A
  • action: (Both heads) Supination of forearm, Flexion of elbow
    (Short head) Also: Flexion of shoulder
  • nerve supply: musculocutaneous nerve
51
Q

coracobrachialis origin and insertion

A
  • origin: coracoid process

- insertion: middle of medial humerus

52
Q

coracobrachialis action and nerve supply

A
  • action: Flexion of shoulder, Adduction of shoulder

- nerve supply: musculocutaneous nerve

53
Q

brachialis origin and insertion

A
  • origin: distal anterior humerus

- insertion: ulnar tuberosity, coronoid process

54
Q

brachialis action and nerve supply

A
  • action: flexion of elbow

- nerve supply: musculocutaneous nerve

55
Q

triceps brachii origin and insertion

A
  • origin: (Long head) – Infraglenoid tubercle
    (Lateral head) – Posterior humerus above spiral groove
    (Medial head) – Posterior humerus below spiral groove
  • insertion: olecranon process
56
Q

triceps brachii action and nerve supply

A
  • action: (All heads) - Extension of elbow
    (Long head) Extension of shoulder
  • nerve supply: radial nerve
57
Q

supraspinatus origin and insertion

A
  • origin: supraspinous fossa

- insertion: superior greater tubercle

58
Q

supraspinatus action and nerve supply

A
  • action: Abduction of shoulder, Stabilizes glenohumeral joint
  • nerve supply: suprascapular nerve
59
Q

infraspinatus origin and insertion

A
  • origin: infraspinous fossa

- insertion: middle greater tubercle

60
Q

infraspinatus action and nerve supply

A
  • action: External rotation of shoulder, Stabilizes glenohumeral joint
  • nerve supply: suprascapular nerve
61
Q

teres minor origin and insertion

A
  • origin: superior axillary border

- insertion: inferior greater tubercle

62
Q

teres minor action and nerve supply

A
  • action: External rotation of shoulder, Stabilizes glenohumeral joint
  • nerve supply: axillary nerve
63
Q

teres major origin and insertion

A
  • origin: inferior angle of scapula

- insertion: medial bicipital groove

64
Q

teres major action and nerve supply

A
  • action: Extension of shoulder, Internal rotation of shoulder, Adduction of shoulder
  • nerve supply: lower subscapular nerve
65
Q

subscapularis origin and insertion

A
  • origin: subscapular fossa

- insert: lesser tubercle

66
Q

subscapularis action and nerve supply

A
  • action: Internal rotation of shoulder, Stabilizes glenohumeral joint
  • nerve supply: upper/lower subscapular nerves
67
Q

deltoid origin and insertion

A
  • origin: (Anterior deltoid) – Lateral clavicle
    (Middle deltoid) – Acromion
    (Posterior deltoid) – Spine of scapula
  • insertion: deltoid tuberosity
68
Q

deltoid action and nerve supply

A
  • action: (Anterior deltoid) Flexion of shoulder, Horizontal adduction of shoulder, internal rotation of shoulder
    (Middle deltoid) Abduction of shoulder
    (Posterior deltoid) Extension of shoulder, Horizontal abduction of shoulder, External rotation of shoulder
  • nerve supply: axillary nerve
69
Q

brachioradialis origin and insertion

A
  • origin: supracondylar ridge of humerus

- insertion: styloid process of radius

70
Q

brachioradialis action and nerve supply

A
  • action: flexion of forearm with arm in neutral position

- insertion: radial nerve

71
Q

pronator teres origin and insertion

A
  • origin: – Medial epicondyle of humerus, Coronoid process of ulna
  • insertion: middle of lateral radius
72
Q

pronator teres action and nerve supply

A
  • action: pronation of forearm, flexion of elbow

- nerve supply: median nerve

73
Q

flexor carpi ulnaris origin and insertion

A
  • origin: (Humeral Head) Medial epicondyle of humerus
    (Ulnar Head) Olecranon process and proximal posterior ulna
  • insertion: Pisiform, Hook of hamate, Base of 5th metacarpal
74
Q

flexor carpi ulnaris action and nerve supply

A
  • action: flexion of wrist, ulnar deviation of wrist

- nerve supply: ulnar nerve

75
Q

palmaris longus origin and insertion

A
  • origin: medial epicondyle of humerus

- insertion: Palmar aponeurosis, Flexor retinaculum, Bases of proximal phalanges

76
Q

palmaris longus action and nerve supply

A
  • action: flexion of wrist

- nerve supply: median nerve

77
Q

flexor carpi radialis origin and insertion

A
  • origin: medial epicondyle of humerus

- insertion: base of 2nd/3rd metacarpals

78
Q

flexor carpi radialis action and nerve supply

A
  • action: flexion of wrist, radial deviation of wrist

- nerve supply: median nerve

79
Q

flexor digitorum superficialis origin and insertion

A
  • origin: Medial epicondyle of humerus, Coronoid process of ulna, Proximal anterior surface of radius
  • insertion: middle phalanges of digits 2-5
80
Q

flexor digitorum superficialis action and nerve supply

A
  • action: Flexion of wrist, Flexion of digits 2-5 at MCP and PIP joints
  • nerve supply: median nerve
81
Q

pronator quadratus origin and insertion

A
  • origin: distal anteromedial ulna

- insertion: distal anterolateral radius

82
Q

pronator quadratus action and nerve supply

A
  • action: pronation of forearm

- nerve supply: median nerve

83
Q

flexor pollicis longus origin and insertion

A
  • origin: Anterior surface of radius, Interosseous membrane

- insertion: base of distal phalanx of digit 1

84
Q

flexor pollicis longus action and nerve supply

A
  • action: flexion of thumb at IP joint

- nerve supply: median nerve

85
Q

flexor digitorum profundus origin and insertion

A
  • origin: proximal surface of ulna

- insertion: base of distal phalanges of digits 2-5

86
Q

flexor digitorum profundus action and nerve supply

A
  • action: Flexion of wrist, Flexion of digits 2-5 at MCP, PIP and DIP joints
  • insertion: (Digits 2-3) median nerve
    (Digits 4-5) ulnar nerve
87
Q

Extensor Carpi Radialis Longus origin and insertion

A
  • origin: Lateral supracondylar ridge, Lateral epicondyle of humerus
  • insertion: base of 2nd metacarpal
88
Q

Extensor Carpi Radialis Longus action and nerve supply

A
  • action: extension of wrist, radial deviation of wrist

- nerve supply: radial nerve

89
Q

Extensor Carpi Radialis Brevis origin and insertion

A
  • origin: lateral epicondyle of humerus

- insertion: base of 3rd metacarpal

90
Q

Extensor Carpi Radialis Brevis action and nerve supply

A
  • action: extension of wrist

- nerve supply: deep branch of radial nerve

91
Q

extensor digitorum origin and insertion

A
  • origin: lateral epicondyle of humerus

- insertion: extensor expansion of digits 2-5

92
Q

extensor digitorum action and nerve supply

A
  • action: Extension of wrist, Extension of digits 2-5 at MCP joints
  • nerve supply: deep branch of radial nerve
93
Q

extensor digiti minimi origin and insertion

A
  • origin: lateral epicondyle of humerus

- insertion: extensor expansion of digit 5

94
Q

extensor digiti minimi action and nerve supply

A
  • action: Extension of wrist, Extension of digit 5 at MCP joint
  • nerve supply: deep branch of radial nerve
95
Q

extensor carpi ulnaris origin and insertion

A
  • origin: (Humeral Head) – Lateral epicondyle of humerus
    (Ulnar Head) – Proximal posterior ulna
  • insertion: base of 5th metacarpal
96
Q

extensor carpi ulnaris action and nerve supply

A
  • action: extension of wrist, ulnar deviation of wrist

- nerve supply: deep branch of radial nerve

97
Q

supinator origin and insertion

A
  • origin: Lateral epicondyle of humerus, Annular and radial collateral ligaments, Supinator crest of ulna
  • insertion: lateral surface of proximal radius
98
Q

supinator action and nerve supply

A
  • action: supination of forearm

- nerve supply: deep branch of radial nerve

99
Q

extensor indicis origin and insertion

A
  • origin: posterior ulna, adjacent intraosseous membrane

- insertion: extensor expansion of digit 2

100
Q

extensor indicis action and nerve supply

A
  • action: Extension of wrist, Extension of digit 2 at MCP joint
  • nerve supply: deep branch of radial nerve
101
Q

abductor pollicis longus origin and insertion

A
  • origin: Posterior surfaces of radius and ulna, Interosseous membrane
  • insertion: base of 1st metacarpal
102
Q

abductor pollicis longus action and nerve supply

A
  • action: Radial deviation of wrist, Abduction of thumb at CMC joint
  • nerve supply: deep branch of radial nerve
103
Q

extensor pollicis brevis origin and insertion

A
  • origin: Posterior radius, Interosseous membrane

- insertion: base of proximal phalanx of digit 1

104
Q

extensor pollicis brevis action and nerve supply

A
  • action: Radial deviation of wrist, Extension of thumb at MCP joint
  • nerve supply: deep branch of radial nerve
105
Q

extensor pollicis longus origin and insertion

A
  • origin: middle posterior ulna and interosseous membrane

- insertion: base of distal phalanx of digit 1

106
Q

extensor pollicis longus action and nerve supply

A
  • action: Radial deviation of wrist, Extension of thumb at IP joint
  • nerve supply: deep branch of radial nerve
107
Q

Musculocutaneous nerve

A

C5-C7

108
Q

Dorsoscapular nerve

A

C5

109
Q

Phrenic nerve

A

C5

110
Q

Subclavius nerve

A

C5-C6

111
Q

Suprascapular nerve

A

C5-C6

112
Q

Nerve to subclavius

A

C5-C6

113
Q

Upper subscapular nerve

A

C5-C6

114
Q

Thoracodorsal nerve

A

C6-C8

115
Q

Lower subscapular nerve

A

C5-C6

116
Q

Axillary nerve

A

C5-C6

117
Q

Radial nerve

A

C5-T1

118
Q

Long thoracic nerve

A

C5-C7

119
Q

Medial brachial cutaneous nerve

A

C8-T1

120
Q

Medial antebrachial cutaneous nerve

A

C8-T1

121
Q

Medial pectoral nerve

A

C8-T1

122
Q

Lateral perctoral nerve

A

C5-C7

123
Q

Ulnar nerve

A

C8-T1

124
Q

Median nerve

A

C5-T1

Gross Anatomy (2 decks)

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