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Lab 2 Flashcards

(60 cards)

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1
Q

Origin of Pectoralis Major

A

-clavicular head, medical clavicle
- Sternal head – Sternum and costal cartilages of superior ribs

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2
Q

Insertion of Pectoralis Major

A
  • Lateral bicipital (intertubercular) groove of humerus
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3
Q

Action of Pectoralis Major

A
  • Adduction of shoulder
  • Horizontal adduction of shoulder
  • Internal rotation of shoulder
    Clavicular head:
  • Flexion of shoulder
    Sternal head:
  • Extension of shoulder to neutral
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4
Q

Nerve Supply of Pectoralis Major

A
  • Clavicular head – Lateral and medial pectoral nerves
  • Sternal head – Medial pectoral nerve
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5
Q

OIAN of Pectoralis Major

A

O: - Clavicular head – Medial clavicle
- Sternal head – Sternum and costal cartilages of superior ribs
I: Lateral bicipital (intertubercular) groove of humerus
A:- Adduction of shoulder
- Horizontal adduction of shoulder
- Internal rotation of shoulder
Clavicular head:
- Flexion of shoulder
Sternal head:
- Extension of shoulder to neutral
N: Clavicular head – Lateral and medial pectoral nerves
- Sternal head – Medial pectoral nerve

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6
Q

Origin of Pectoralis Minor

A

Anterior surface of ribs 3-5

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7
Q

Insertion of Pectoralis Minor

A

Coracoid process of scapula

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8
Q

Actions of Pectoralis Minor

A

Protraction of scapula
- Depression of scapula
- Downward rotation of scapula

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9
Q

Nerve Supply of Pectoralis Minor

A

Medial Pectoral Nerve

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10
Q

OIAN of Pectoralis Minor

A

Origin: - Anterior surface of ribs 3-5
Insertion: - Coracoid process of scapula
Action:
- Protraction of scapula
- Depression of scapula
- Downward rotation of scapula
Nerve Supply: - Medial pectoral nerve

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11
Q

Origin of Serratus Anterior

A
  • Lateral surface of
    superior ribs
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12
Q

Insertion of Serratus Anterior

A
  • Medial (vertebral) border of scapula
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13
Q

Action of Serratus Anterior

A
  • Protraction of scapula
  • Upward rotation of scapula
  • Holds scapula to thoracic wall
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14
Q

Nerve Supply of Serratus Anterior

A

Long thoracic nerve

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15
Q

OIAN of Serratus Anterior

A

Origin: - Lateral surface of superior ribs
Insertion: - Medial (vertebral) border of scapula
Action: - Protraction of scapula, Upward rotation of scapula, Holds scapula to
thoracic wall
Nerve Supply: - Long thoracic nerve

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16
Q

Origin of Subclavius

A

Costal Cartilage of rib 1

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17
Q

Insertion of Subclavius

A

Inferior border of clavicle

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18
Q

Action of Subclavius

A

Stabilizes Clavicle

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19
Q

Nerve Supply of Subclavius

A

Nerve to subclavius

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20
Q

OIAN of Subclavius

A

Origin: - Costal cartilage of rib 1
Insertion: - Inferior border of clavicle
Action: - Stabilizes clavicle
Nerve Supply: - Nerve to subclavius

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21
Q

Origin of Scalenes

A
  • Transverse processes of cervical vertebrae
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22
Q

Insertion of Scalenes

A

Ribs 1 & 2

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23
Q

Action of Scalenes

A

Elevation of ribs 1 and 2
Flexion of cervical vertebrae
Lateral flexion of cervical vertebrae

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24
Q

Nerve Supply of Scalenes

A

Anterior Rami of Spinal Nerves

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25
OIAN of Scalenes
Origin: - Transverse processes of cervical vertebrae Insertion: - Ribs 1 and 2 Action: - Elevation of ribs 1 and 2 - Flexion of cervical vertebrae - Lateral flexion of cervical vertebrae Nerve Supply: - Anterior rami of spinal nerves
26
Origin of Sternocleidomastoid
Sternal head- Manubrium Clavicular head- Medial Clavicle
27
Insertion of Sternocleidomastoid
Mastoid Process
28
Actions of Sternocleidomsastoid
Flexion of neck Ipsilateral lateral flexion of neck and contralateral rotation of neck
29
Nerve Supply of Sternocleidomastoid
Cranial nerve 11 (accessory)
30
OIAN of Sternocleidomastoid
Origin: - Sternal head – Manubrium - Clavicular head – Medial clavicle Insertion: - Mastoid process Action: - Flexion of neck - Ipsilateral lateral flexion of neck and contralateral rotation of neck Nerve Supply: - Cranial nerve XI
31
Origin of Platysma
Fascia over upper chest
32
Insertion of Platysma
Mandible
33
Action of Platysma
Tension of skin of neck
34
Nerve Supply of Platysma
Cranial Nerve VII (facial)
35
OIAN of Platysma
Origin: - Fascia over upper chest Insertion: - Mandible Action: - Tension of skin of neck Nerve Supply: - Cranial nerve VII
36
Origin of External Intercostals
Inferior margin of rib above
37
Insertion of External Intercostals
Superior margin of rib below
38
Action of External intercostals
Elevates ribs during inspiration
39
Nerve supply of external intercostals
intercostal nerves
40
OIAN of external intercostals
Origin: - Inferior margin of rib above Insertion: - Superior margin of rib below Action: - Elevates ribs during inspiration Nerve Supply: - Intercostal nerves
41
Origin of Internal Intercostal
Superior margin of rib below
42
Insertion of Internal Intercostal
Inferior margin of rib above
43
Action of Internal Intercostal
Depresses ribs during forced expiration
44
Nerve supply of internal intercostal
Intercostal nerves
45
OIAN of Internal Intercostal
Origin: - Superior margin of rib below Insertion: - Inferior margin of rib above Action: - Depresses ribs during forced expiration Nerve Supply: - Intercostal nerves
46
What are the roots of the Musculocutaneous nerve?
C5, C6, C7
47
Roots of the Median Nerve.
C5, C6, C7, C8, T1
48
Roots of Ulnar nerve
C8, T1
49
Roots of Lateral pectoral Nerve
C5, C6, C7
50
Roots of Axillary nerve
c5, C6
51
Roots of radial nerve
C5,6,7,8 T1
52
Roots of lower subscapular nerve
C5,6
53
Roots of thoracodorsal nerve
C6,7,8
54
Roots of upper subscapular nerve
C5, C6
55
Roots of Medial antebrachial cutaneous nerve
C8, T1
56
Roots of Medial brachial cutaneous nerve
C8, T1
57
Roots of medial pectoral nerve
C8, T1
58
Roots of Subclavius and suprascapular nerves
C5, 6
59
Roots of Dorsal Scapular nerve
C5
60
Roots of Long thoracic nerve
C5,6,7

Anatomy (14 decks)

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