Brainscape's Knowledge GenomeTM

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


See full index

Functional Musculoskeletal Anatomy A > Week 10: Nerve Supply of the Upper Limb > Flashcards

Week 10: Nerve Supply of the Upper Limb Flashcards

1
Q

What is the definition of a spinal segment?

A

A section of the spinal cord with its associated pair of (left and right) nerve roots

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

What nerves are found in the dorsal root?

A

sensory nerves

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

What nerves are found in the ventral root?

A

motor nerves

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

What nerves are in the dorsal ramus?

A

sensory and motor nerves

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

What nerves are in the ventral ramus?

A

sensory and motor nerves

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

What muscles do the dorsal ramus supply?

A

back muscles and overlying skin

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

What muscles do the ventral ramus supply?

A

anterior trunk and limbs and the overlying skin

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

What nerves are in the spinal (mixed) nerve?

A

sensor and motor nerves

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

What are the features of the brachial plexus?

A

ventral rami, trunks, divisions, cords, branches

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

What are the ventral rami?

A

C5, C6, C7, C8, T1

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

Where do the ventral rami exit the neck?

A

between the anterior and middle scalene muscles

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

What are the three different trunks of the brachial plexus?

A

upper, middle, lower

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

Where are the trunks of the brachial plexus found?

A

between the scalene muscles and inferior to the clavicle

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

How many divisions are there?

A

2 from each trunk, one anterior and one posterior

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

Where do the divisions of the brachial plexus occur?

A

superior to the clavicle

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

What are the cords of the brachial plexus called?

A

lateral, posterior and medial

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

Which divisions make up the lateral and medial cords?

A

anterior

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

What are the branches of the brachial plexus?

A

musculocutaneous nerves, median nerve, ulnar nerve, axillary nerve and radial nerve

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

What is the root value of the musculocutaneous nerve?

A

C5,6,7

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

What muscles do the musculocutaneous nerve suply?

A

coracobrachialis, biceps brachii, brachialis

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

What is the root value of the median nerve?

A

C5,6,7,8, T1

22
Q

What muscles does the median nerve supply?

A

pronator teres, pronator quatratus, flexors of the wrist, fingers and thumb (EXCEPT flexor carpi ulnaris and medial half of flexor digitorum profundus), thenar muscles and lateral 2 lumbricals

23
Q

What is the root value of the ulnar nerve?

A

C8, T1

24
Q

What muscles does the ulnar nerve supply?

A

flexor carpi ulnaris and medial half of flexor digitorum profundus, intrinsic muscles of the hand (hypothenar muscles, medial 2 lumbricals, adductor pollicis and all interossei)

25
Q

What is the root value of the radial nerve?

A

C5,6,7,8 T1

26
Q

What muscles do the radial nerve supply?

A

triceps brachii, brachioradialis, anconeus, supinator, extensors of the wrist and fingers, extensors of the thumb, abductor pollicis longus

27
Q

What is the root value of the axillary nerve?

A

C5,6

28
Q

What muscles does the axillary nerve supply?

A

deltoid and teres minor

29
Q

What muscles does the dorsal scapula nerve supply?

A

rhomboid minor and major and levator scapulae

30
Q

What muscle does the long thoracic nerve supply?

A

serratus anterior

31
Q

What is the root value of the suprascapular nerve?

A

C5,6

32
Q

What muscles does the suprascapular nerve supply?

A

supraspinatus and infraspinatus

33
Q

What muscles do the upper and lower subscapular nerve supply?

A

subscapularis and teres major (lower subscapular nerve)

34
Q

What muscles does he thoracodorsal nerve supply?

A

latissimus dorsi

35
Q

What muscle does the lateral pectoral nerve supply?

A

pectoralis major

36
Q

What muscles does the medial pectoral nerve supply?

A

pectoralis major and minor

37
Q

What are the nerves that supply the shoulder joints?

A

axillary, suprascapular, subscapular, lateral pectoral, musculocutaneous

38
Q

What are the nerves that supply the elbow joints?

A

musculocutaneous, median, ulnar, radial

39
Q

What are the nerves that supply the wrist joints?

A

median, radial, ulnar

40
Q

What is a myotome?

A

a group of muscles supplied by a single nerve root

41
Q

What myotome produces abduction and lateral rotation of the shoulder?

A

C5

42
Q

What myotomes produce adduction and medial rotation of the shoulder?

A

C6,7,8

43
Q

What myotomes produces elbow flexion?

A

C5,6

44
Q

What myotomes produces elbow extension?

A

C7,8

45
Q

What myotomes produce supination of the radioulnar joints?

A

C6

46
Q

What myotomes produce pronation of the radioulnar joints?

A

C7,8

47
Q

What myotomes produce flexion and extension of the wrist?

A

C6,7

48
Q

What myotomes produce flexion and extension of the digits?

A

C7,8

49
Q

What myotomes produce adduction, abduction and opposition of the digits?

A

C8, T1

50
Q

What is a dermatome?

A

an area of skin supplied by a single nerve root

51
Q

What occurs when there is a nerve lesion?

A

nerve supply is lost in the regions distal to the lesion, the muscles, skin and joints in that area are no longer innervated

Functional Musculoskeletal Anatomy A (12 decks)

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