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SSM > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

how many muscles in pectoral girdle?

A

7

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2
Q

how many ant pec girdle muscles?

A

3

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3
Q

how many post pec girdle muscles?

A

4

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4
Q

name 3 ant pec gridle muscles

A
  1. subclavius
  2. serratus ant
  3. pec minor
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5
Q

name 4 post pec girdle muscles

A
  1. trapezius
  2. levator scapulae
  3. rhomboid major
  4. rhomboid minor
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6
Q

how many shoulder muscles

A

8

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7
Q

what are the 2 compartments in the shoulder?

A

extrinsic and instrinsic

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8
Q

how many extrinsic shoulder muscles?

A

2

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9
Q

how many instrinsic shoulder muscles?

A

6

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10
Q

where is the rotator cuff?

A

instrinsic shoulder

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11
Q

name 2 extrinsic shoulder muscles

A
  1. lattisimus dorsi

2. pec major

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12
Q

name 6 instrinsic shoulder muscles

A
  1. infraspinatus
  2. supraspinatus
  3. subscapularis
  4. teres minor
  5. teres major
  6. deltoid
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13
Q

how many arm muscles?

A

4

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14
Q

what are the compartments in the arm?

A

anterior and posterior

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15
Q

what muscles is in the posterior arm?

A

triceps brachii

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16
Q

what are the 3 heads of the triceps brachii?

A

long
medial
lateral

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17
Q

what are the 3 anterior arm muscles

A
  1. biceps brachii
  2. coracobrachialis
  3. brachialis
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18
Q

what are the 2 heads of the biceps brachii?

A

long

short

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19
Q

how many muscles in forearm; numbers in each compartment

A

19 ; 413 353

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20
Q

name anterior superficial forearm muscles

A

PFPF

  1. pronater teres
  2. flexor carpi radialis
  3. palmaris longus
  4. flexor carpi ulnaris
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21
Q

name anterior intermediate forearm muscle

A

flexor digitorum superficialis

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22
Q

name anterior deep forearm muscles

A
  1. flexor digitorum profundus
  2. flexor pollicus longus
  3. pronater teres
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23
Q

name posterior superficial forearm muscles

A
  1. extensor digitorum
  2. extensor digitorum minimi
  3. extensor carpi ulnaris
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24
Q

name posterior deep forearm muscles

A
  1. supinator
  2. abductor pollicus longus
  3. extensor pollicus longus
  4. extensor pollicus brevis
  5. extensor indicis
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25
Q

name posterior radialis forearm muscles

A
  1. extensor carpi radialis longus
  2. extensor carpi radialis brevis
  3. brachioradialis
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26
Q

Origin of subclavius

A

border between costochondral cartilage and rib 1

27
Q

origin of pec minor

A

ribs 3-5 and deep fasica from intercostal spaces

28
Q

insertion of subclavius

A

medial 1/3 of inferior clavicle

29
Q

insertion of pec minor

A

coracoid process - the medial border and upper surface

30
Q

action of subclavius

A

steadies clavicle at sternoclavicular joint

31
Q

action of pec minor

A

draws scapula downwards and protracts it

32
Q

what muscle assists in respiration?

A

pec minor

33
Q

innervation of pec minor

A

Medial pectoral nerve (C5-T1)

34
Q

The subclavius nerve supplies the subclavius muscle. What are the vertebrae it includes?

A

C5, C6

35
Q

3 parts of serratus ant?

A

superior, intermediate and inferior

36
Q

Motor nerve supplying trapezius?

A

accessory nerve CN XI (11)

37
Q

function of rhomboid minor

A

elevates and retracts scapula

38
Q

origin of levator scapulae?

A

transverse process of C1-C5

39
Q

Which 3 muscles does the dorsal scapular nerve supply?

A
  1. rhomboid minor
  2. rhomboid major
  3. levator scapulae
40
Q

3 nerves supply the levator scapulae,one is the dorsal scapular nerve. what are the others?

A

spinal nerves C3-C4

41
Q

function of levator scapulae?

A

elevates scapula

42
Q

function of serratus ant (All)

A

protraction and rotation of scapula.

keeps medial border and inf angle of scapula close to thoracic wall.

43
Q

origin of inferior serratus ant?

A

ribs 3-9

44
Q

function of superior trapezius

A

draws scapula obliquely upward, rotating glenoid cavity

45
Q

function of middle trapezius?

A

draws scapula medially

46
Q

function of ascending trapezius

A

draws scapula medially downward

47
Q

what does the long thoracic nerve supply ? C5-C7

A

serratus ant

48
Q

origin of superior serratus ant?

A

ribs 1-2

49
Q

insertion of superior trapezius?

A

lateral clavicle

50
Q

insertion of rhomboid minor?

A

medial border of scapula at the root of scapular spine

51
Q

the spinous processes of T1-T4 are the origin of what pec girdle muscle?

A

rhomboid major

52
Q

origin of inferior trapezius?

A

spinous processes T5-T12

53
Q

insertion of rhomboid major

A

medial border of scapula - from the root of scapular spine to the inferior angle

54
Q

sensory innervation of trapezius?

A

C3-C4

55
Q

function of rhomboid major

A

elevates and retracts scapula

56
Q

insertion of serratus ant?

A

costal surface of medial border of scapula

57
Q

insertion of inferior trapezius?

A

scapular spine

58
Q

insertion of middle trapezius

A

acromion

59
Q

origin of trapezius?

A

occipital bone, spinous processes C1-C7

60
Q

Origin of intermediate serratus ant?

A

rib 2

61
Q

insertion of levator scapulae?

A

medial border of scapula - superior to the root of scapular spine at the superior angle

62
Q

origin of rhomboid minor

A

spinous processes C6-C7

63
Q

origin of middle trapezius?

A

spinous processes T1-T4

SSM (11 decks)

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