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Gross Anatomy > Lab Exam 1: Origins/Insertions > Flashcards

Lab Exam 1: Origins/Insertions Flashcards

1
Q

Trapezius Origin

A
  • Medial 1/3 of superior nuchal line
  • EOP
  • Nuchal ligament
  • SPs of C7-T12
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2
Q

Trapezius Insertion

A
  • Lateral 1/3 of clavicle
  • Acromion
  • Scapular spine
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3
Q

Trapezius Innervation

A
  • Spinal accessory nerve CN XI (motor)

- C3,4 spinal nerves (pain and proprioception)

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4
Q

Latissimus Dorsi Origin

A
  • SPs of T7-L5
  • Thoracolumbar fascia
  • Iliac crest
  • Inferior 3 or 4 ribs
  • Inferior angle of the scapula
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5
Q

Latissimus Dorsi Insertion

A
  • Humerus (floor of intertubercular sulcus)
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6
Q

Latissimus Dorsi Innervation

A
  • Thoracodorsal nerve
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7
Q

Levator Scapulae Origin

A
  • Posterior tubercles of C1-4 TPs
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8
Q

Levator Scapulae Insertion

A
  • Medial scapular border

- Superior angle of scapula

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9
Q

Levator Scapulae Innervation

A
  • Dorsal scapular nerve (C4,5) – motor

- C3,4: proprioception

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10
Q

Rhomboid Minor/Major Origin

A
  • Nuchal ligament

- C7 – T5 SPs

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11
Q

Rhomboid Minor/Major Insertion

A
  • Medial scapular border
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12
Q

Rhomboid Minor/Major Innervation

A
  • Dorsal scapular nerve (C4,5) – motor

- C3,4: proprioception

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13
Q

Serratus Posterior Superior Origin

A
  • Spinous processes of C7 – T3

- Ligamentum nuchae

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14
Q

Serratus Posterior Superior Insertion

A
  • Ribs 2-5 (superior border)
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15
Q

Serratus Posterior Superior Innervation

A
  • Anterior rami T2 – T5
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16
Q

Serratus Posterior Inferior Origin

A
  • SPs of T11 – L2
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17
Q

Serratus Posterior Inferior Insertion

A
  • Lower 4 ribs (9-12 inferior borders)
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18
Q

Serratus Posterior Inferior Innervation

A
  • Anterior rami T9 – T12
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19
Q

Splenius Capitis Origin

A
  • Ligamentum nuchae

- SPs of C7 - T6

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20
Q

Splenius Capitis Insertion

A
  • TPs of C1 - C3
  • Mastoid process
  • Lateral 1/3 of superior nuchal line of occipital bone
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21
Q

Splenius Capitis Innervation

A
  • Dorsal rami of cervical (middle)
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22
Q

Splenius Cervicis Origin

A
  • SPs of T3 - T6 (SPs of C7 - T6 if including capitis)
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23
Q

Splenius Cervicis Insertion

A
  • TPs of C1 - C3

- Mastoid process

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24
Q

Splenius Cervicis Innervation

A
  • Dorsal rami of cervical nerves (middle)
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25
Q

Spinalis Origin

A
  • Median sacral crest
  • Posterior surface of sacrum
  • Lumbar SPs and lower thoracic SPs
  • Medial part of iliac crest
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26
Q

Spinalis Insertion

A
  • SPs of thoracic and cervical regions
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27
Q

Spinalis Innervation

A
  • Dorsal rami of cervical nerves (lower)
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28
Q

Longissimus Origin

A
  • Median sacral crest
  • Posterior surface of sacrum
  • Lumbar SPs and lower thoracic SPs
  • Medial part of iliac crest
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29
Q

Longissimus Insertion

A
  • Between tubercles and angles of ribs

- TPs of thoracic and cervical regions

30
Q

Longissimus Innervation

A
  • Dorsal rami of cervical nerves (lower)
31
Q

Iliocostalis Origin

A
  • Median sacral crest
  • Posterior surface of sacrum
  • Lumbar SPs and lower thoracic SPs
  • Medial part of iliac crest
32
Q

Iliocostalis Insertion

A
  • Angles of lower ribs

- TPs of cervical region

33
Q

Iliocostalis Innervation

A
  • Dorsal rami of cervical nerves (lower)
34
Q

Rectus Capitis Posterior Major Origin

A
  • SP of C2 (axis)
35
Q

Rectus Capitis Posterior Major Insertion

A
  • Lateral inferior nuchal line of occipital bone
36
Q

Rectus Capitis Posterior Major Innervation

A
  • Dorsal ramus C1
37
Q

Rectus Capitis Posterior Minor Origin

A
  • Posterior tubercle of C1 (atlas)
38
Q

Rectus Capitis Posterior Minor Insertion

A
  • Medial inferior nuchal line of occipital bone
39
Q

Rectus Capitis Posterior Minor Innervation

A
  • Dorsal ramus C1
40
Q

Obliquus Capitis Superior Origin

A
  • TP of C1 (atlas)
41
Q

Obliquus Capitis Superior Insertion

A
  • Between lateral aspect of superior and inferior nuchal lines of occipital bone
42
Q

Obliquus Capitis Superior Innervation

A
  • Dorsal ramus C1
43
Q

Obliquus Capitis Inferior Origin

A
  • SP of C2 (axis)
44
Q

Obliquus Capitis Inferior Insertion

A
  • TP of C1 (atlas)
45
Q

Obliquus Capitis Inferior Innervation

A
  • Dorsal ramus C1
46
Q

Breast Cutaneous Innervation

A
  • 2nd - 6th intercostal nerves

- Lateral and anterior branches

47
Q

Nipple Innervation

A
  • Specifical the 4th intercostal nerve

- Ventral ramus of T4

48
Q

Pectoralis Major Origin

A
  • Medial 1/2 of clavicle
  • Anterior sternum
  • Upper 6 costal cartilages
  • Aponeurosis of external oblique muscle
49
Q

Pectoralis Major Insertion

A
  • Lateral lip of intertubercular sulcus
50
Q

Pectoralis Major Innervation

A
  • Lateral and medial pectoral nerves
51
Q

Pectoralis Minor Origin

A
  • Ribs 3-5
52
Q

Pectoralis Minor Insertion

A
  • Coracoid process of scapula
53
Q

Pectoralis Minor Innervation

A
  • Medial pectoral nerve
54
Q

Subclavius Origin

A
  • Rib 1

- Costal cartilage junction

55
Q

Subclavius Insertion

A
  • Inferior middle 1/3 of clavicle
56
Q

Subclavius Innervation

A
  • Nerve to subclavius
57
Q

Serratus Anterior Origin

A
  • Anterior surface of medial scapular border
58
Q

Serratus Anterior Insertion

A
  • Lateral aspect of ribs 1-9
59
Q

Serratus Anterior Innervation

A
  • Long thoracic nerve
60
Q

Subscapularis Origin

A
  • Subscapular fossa
61
Q

Subscapularis Insertion

A
  • Lesser tubercle of the humerus
62
Q

Subscapularis Innervation

A
  • Upper and lower subscapular nerve
63
Q

Teres Major Origin

A
  • Inferior angle of the scapula
64
Q

Teres Major Insertion

A
  • Medial lip of intertubercular sulcus
65
Q

Teres Major Innervation

A
  • Lower subscapular nerve
66
Q

All Intercostal Muscle Superior Attachments

A
  • Inferior border of rib above
67
Q

All Intercostal Muscle Inferior Attachments

A
  • Superior border of the rib below
68
Q

All Intercostal Muscle Innervation

A
  • Intercostal nerves
69
Q

Transversus Thoracis Origin

A
  • Inner surface of sternum
70
Q

Transversus Thoracis Insertion

A
  • Costal cartilages of ribs 2-6

Gross Anatomy (50 decks)

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