Brainscape's Knowledge GenomeTM

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


See full index

MBBS Anatomy > Muscle Innervation - Upper Limb > Flashcards

Muscle Innervation - Upper Limb Flashcards

1
Q

What is the innervation of the trapezius?

A

Cranial nerve 6, C3, C4

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

What is the innervation of the elevator scapulae?

A

C3, C4 and dorsal scapular nerve (C4, C5)

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

What is the innervation of the rhomboids?

A

Dorsal scapular nerve (C4,C5)

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

What is the innervation of the deltoid?

A

Axillary nerve (C5, C6)

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

What is the innervation of the latissimus dorsi?

A

Thoracodorsal nerve (C6, C7, C8)

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

What is the innervation of the pectorals major?

A

Medial and lateral pectoral nerves (C5- T1)

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

What is the innervation of the pectorals minor?

A

Medial pectoral nerve (C5-T1)

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

What is the innervation of the subclavius?

A

Nerve to subclavius (C5, C6)

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

What is the innervation of the coracobrachialis?

A

Musculocutaneous nerve (C5-C7)

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

What is the innervation of the serrates anterior?

A

Long thoracic nerve (C5-C7)

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

What is the innervation of the supraspinatus?

A

Suprascapular nerve (C5, C6)

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

What is the innervation of the infraspinatus?

A

Suprascapular nerve (C5,C6)

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

What is the innervation of teres minor?

A

Axillary nerve (C5, C6)

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

What is the innervation of teres major?

A

Inferior sub scapular nerve (C5, C6)

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

What is the innervation of the subscapularis?

A

Superior and inferior subscapular nerves (C5-C7)

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

What is the innervation of the biceps brachii?

A

Musculocutaneous nerve (C5, C6)

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

How many roots are there in the brachial plexus and what are they?

A

5 (C5-T1)

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

What branches come off of the roots and what roots contribute to each of them?

A

Dorsal scapular nerve - C5
Contribution to phrenic nerve - C5
Long thoracic nerve - C5-C7

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

Where are the roots of the brachial plexus located?

A

Between the anterior and mid scalene

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

How many trunks are there in the brachial plexus?

A

3 - Superior, middle and inferior

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

What branches come off each of the trunks and what trunk do they originate from?

A

Suprascapular nerve and nerve to subclavius - Superior (C5-C6)

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

Where are the trunks located?

A

By the first rib

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

How many divisions are there?

24
Q

How many cords are there?

A

3 - Lateral, posterior, medial

25
Q

How many branches from the cords?

26
Q

What branches are there from the lateral cord?

A

Lateral pectoral nerve (C5-C7)

27
Q

What branches are there from the medial cord?

A

Medial pectoral nerve, medial brachial cutaneous nerve and medial antebrachial cutaneous nerve (C8-T1)

28
Q

What branches are there from the posterior cord?

A

Axillary nerve (C5-C6)
Superior subscapular nerve (C5-C6)
Thoracodorsal nerve (C6-C8)
Inferior subscapular nerve (C5-C6)

29
Q

How many terminal nerves are there?

30
Q

Where are the divisions, cord and terminal nerves located?

A

In the axilla

31
Q

What terminal nerves originate from the anterior divisions?

A 
Musculocutaneous nerve (C5-C7)
Median nerve (C5, C6-T1)
Ulnar nerve (C7, C8-T1)
32
Q

What terminal nerves originate from the anterior divisions?

A

Radial nerve (C5-T1)

33
Q

What is the innervation of the brachialis?

A 
Musculocutaneous nerve (C5-C6)
Radial nerve (C7)
34
Q

What is the innervation of the triceps brachii?

A

Radial nerve (C6-C8)

35
Q

What nerve innervates all muscles in the anterior compartment of the arm?

A

Musculocutaneous nerve (C5-C7)

36
Q

What nerve innervates all muscles in the posterior compartment of the arm and forearm?

A

Radial nerve

37
Q

What is the innervation of the flexor carpi ulnaris?

A

Ulnar nerve (C7-T1)

38
Q

What is the innervation of the palmar is longus?

A

Median nerve (C7, C8)

39
Q

What is the innervation of the flexor carpi radialis?

A

Meidan nerve (C6, C7)

40
Q

What is the innervation of the pronator teres?

A

Median nerve (C6, C7)

41
Q

What is the innervation of the flexor digitorum superficialis?

A

Median nerve (C8, T1)

42
Q

What is the innervation of the flexor digitorum profundus?

A

Median nerve (C7, C8) for lateral half and medial half innervated by ulnar nerve (C8, T1)

43
Q

What is the innervation of the flexor pollicis longus?

A

Median nerve (C7, C8)

44
Q

What is the innervation of the pronator quadratus?

A

Median nerve (C7, C8)

45
Q

What nerve are all muscles in the posterior compartment of the forearm innervated by?

A

Radial nerve

46
Q

What nerve also innervates the deep layer of the posterior arm?

A

posterior interosseous

47
Q

What is the innervation of the palmaris brevis?

A

Superficial branch of ulnar nerve (C8, T1)

48
Q

What is the innervation of the thenar muscles?

A

Recurrent branch of the median nerve (C8, T1)

49
Q

What is the innervation of the hypothenar muscles?

A

Deep branch of the ulnar nerve (C8, T1)

50
Q

What is the innervation of the adductor pollicis?

A

Deep branch of ulnar nerve (C8, T1)

51
Q

What is the innervation of the lumbricals?

A

Digits 2 and 3 by digital branches of the median nerve

Digits 4 and 5 by deep branch of ulnar nerve

52
Q

What is the innervation of the interossei?

A

Deep branch of the ulnar nerve (C8, T1)

53
Q

Describe the innervation of the deep branch of the ulnar nerve

A

Mostly motor.

All hand muscles except for the three thenar muscles and two lateral lumbricals

54
Q

Describe the innervation of the superficial branch of the ulnar nerve

A

Mostly sensory.

Medial 1.5 digits

55
Q

Describe the innervation of the recurrent branch of the median nerve

A

Motor to the thenar muscles

56
Q

Describe the innervation of the palmar digital nerves from the median nerve

A

Motor to the lateral two lumbricals

Sensory to the palmar surface and tip of dorsal surface of the lateral 3.5 digits

57
Q

Describe the innervation of the superficial branch of the radial nerve

A

sensory to the lateral aspect of the palm, and the dorsal aspect of the lateral 3.5 digits, except nail beds

MBBS Anatomy (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions