Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Functional Anatomy > posterior triangle and brachial plexus > Flashcards

posterior triangle and brachial plexus Flashcards

1
Q

posterior triangle boundaries

A

posterior edge of scm
anterior edge of trapezius
middle third of clavicle
occipital bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is under the posterior triangle

A

splenius capitis
levator scapulae
scalenes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

veins of posterior triangle

A

external jugular vein
1. transverse cervical vein
2. suprascapular vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

arteries of posterior triangle

A

arise from subclavian
thyrocervical trunk
- transverse cervical artery
- suprascapular artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

superficial nerves of posterior triangle (erbs point)

A

transverse cervical nerve
lesser occipital nerve
greater aurical nerve
supraclavicular nerves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

transverse cervical nerve location

A

c2/ c3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

lesser occipital nerve location

A

c2/ c3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

greater aurical nerve location

A

c2/ c3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

supraclavicular nerves location

A

c3/ c4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

why is erbs point important?

A

is the site where the 4 branches of brachial plexus emerge from

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

muscles in the posterior triangle

A

splenius capitis
levator scapulae
posterior scalene
anterior scalene
middle scalene

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

parts of the brachial plexus

A

ventral rami:5
trunks: 3
divisions: 6
cords: 3
branches: 5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

the lateral cord is formed by?

A

anterior divisions of upper and middle trunks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

the posterior cord is formed by?

A

posterior division of all trunks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the medial cord is formed by?

A

anterior divisions of lower trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

nerve branches of anterior divisions innervate what?

A

muscles in flexor compartments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

nerve branches of posterior divisions innervate what?

A

muscles in extensor compartments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

first intercostal location

A

T1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

dorsal scapular location

A

C5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

dorsal scapular innervates the:

A

rhomboids
levator scapulae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

long thoracic location

A

C5/ C6/ C7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

long thoracic innervates the:

A

serratus anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

nerves on superior trunk

A

suprascapular
to subclavius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

suprascapular location

A

C5/ C6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

suprascapular innervates the:

A

supraspinatus
infraspinatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

branches on lateral cord

A

lateral pectoral

27
Q

lateral pectoral location

A

C5/ C6/ C7

28
Q

branches on posterior cord

A

upper subscapular
thoracodorsal
lower subscapular

29
Q

upper subscapular location

A

C5/ C6

30
Q

upper subscapular innervates the:

A

subscapularis

31
Q

thoracodorsal location

A

C6/ C7/ C8

32
Q

thoracodorsal innervates the:

A

latissimus dorsi

33
Q

lower subscapular location

A

C5/ C6

34
Q

lower subscapular innervates the:

A

subscapularis
teres major

35
Q

medial pectoral location

A

C8/ T1

36
Q

medial pectoral innervates the:

A

pectoralis major and minor

37
Q

medial cutaneous nerve of arm location

A

T1

38
Q

medial cutaneous nerve of forearm

A

C8

39
Q

musculocutaneous branch

A

lateral cord
C5/ C6/ C7

40
Q

axillary branch

A

posterior cord
C5/ C6

41
Q

radial branch

A

posterior cord
C5/ C6/ C7/ C8/ T1

42
Q

median branch

A

median and lateral root
C5/ C6/ C7/ C8/ T1

43
Q

ulnar branch

A

medial cord
C8/ T1

44
Q

Arm compartment nerves

A

musculocutaneous
radial
axillary

45
Q

forearm compartment nerves

A

median
ulnar
radial

46
Q

arm flexors

A

musculocutaneous

47
Q

arm extensors

A

radial and axillary

48
Q

forearm flexors

A

median and ulnar

49
Q

forearm extensors

A

radial

50
Q

upper brachial plexus injuries produce:

A

erbs palsy

51
Q

lower brachial plexus injuries produce:

A

klumpke’s plasy

52
Q

birth palsy type one

A

upper plexus damage
erbs plasy

53
Q

birth palsy type 2

A

all plexus
both palsies

54
Q

birth palsy type 3

A

lower plexus damage
klumpke’s palsy

55
Q

superficial compartment of pectoral region

A

skin, fascia, breasts

56
Q

breast organized by:

A

cooper’s ligaments

57
Q

what may happen as a result of breast surgery

A

injury to long thoracic nerve causing scapular winging

58
Q

pectoralis major attachments

A

clavicle
sternocostal head
sternum
6 upper costal cartilages

59
Q

pectoralis major actions

A

flexes and adducts the arm
adducts and medially rotates the arm
extend and flex arm

60
Q

pectoralis minor attachments

A

coracoid process
ribs 3- 5

61
Q

pectoralis minor actions

A

protracts the scapula

62
Q

pectoralis minor innervation

A

medial pectoral nerve

63
Q

pectoralis major vessels

A

thoracoacromial artery
cephalic vein

64
Q

pectoralis major innervation

A

lateral pectoral nerve
supraclavicular nerves

Functional Anatomy (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions