Brainscape's Knowledge GenomeTM

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


See full index

Human Anatomy MSc Sheffield - trunk and limb > Forearm and hand* > Flashcards

Forearm and hand* Flashcards

1
Q

Which vein does the median cubital vein join?

A

The basilic vein

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

What are the three main veins that drain blood from the arm?

A

Basilic, brachial and cephalic

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

What are the five main veins that drain the forearm?

A

The cephalic, radial, median antebrachial, basilic and ulnar veins

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

What are the main contents of the cubital fossa?

A

Radial nerve, biceps tendon, brachial artery, median nerve (Really need beer to be at my nicest)

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

Where do the brachial veins lie in relation to the brachial artery?

A

medial

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

Which muscles mark the borders of the cubital fossa?

A

Brachioradialis (laterally), pronator teres (medially), transverse line between epicondyles of the humerus (superior)

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

What are the attachments of brachioradialis?

A

O: Lateral supracondylar ridge of the humerus
I: Styloid process of the radius

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

What is the innervation to brachioradialis?

A

Radial nerve (C5-6)

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

What is the action of brachioradialis?

A

Forearm flexion

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

Which nerve pierces the supinator muscle?

A

The deep branch of the radial nerve

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

What is the deep branch of the radial nerve called when it pierces the supinator muscle?

A

Posterior interosseous nerve

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

What are the attachments of the flexor retinaculum?

A

Pisiform and hook of hamate to scaphoid and trapezium

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

What is Guyon’s canal?

A

A separate part of the carpal tunnel that transmits the ulnar vessels and nerves

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

Which tendons do not pass through the carpal tunnel into the hand?

A

Flexor carpi radialis - it travels through a separate part. Palmaris longus - passes superficial to the carpal tunnel

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

What are the four muscles that make up the superficial layer of the anterior forearm?

A

Palmaris longus, flexor carpi ulnaris, flexor carpi radialis, pronator teres

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

What is the common origin of most of the flexor muscles of the forearm?

A

The medial epicondyle of the humerus

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

What are the attachments of pronator teres?

A

O: Medial supracondylar ridge of humerus, coranoid process of ulna
I: Lateral surface of radius

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

Which nerve innervates the flexor compartment of the forearm?

A

The median nerve

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

What are the attachments of flexor carpi radialis?

A

O: medial epicondyle of the humerus
I: Bases of metacarpals 2-3

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

What are the attachments of palmaris longus?

A

O: Medial epicondyle of the humerus
I: Flexor retinaculum, palmar aponeurosis

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

Which nerve passes between the heads of pronator teres?

A

The median nerve

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

What are the attachments of flexor carpi ulnaris?

A

O: Medial epicondyle of the humerus, olecranon of ulna
I: Pisiform, hamate, base of metacarpal 5

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

What are the attachments of flexor digitorum superficialis?

A

O: Medial epicondyle of the humerus, coranoid process of ulna, anterior border of radius
I: Sides of middle phalanges of digits 2-5

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

What are the actions of flexor digitorum superficialis?

A

Metacarpophalangeal and PIP joint flexion

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

What are the attachments of flexor digitorum profundus?

A

O: proximal half of anterior surface of ulna, interosseous membrane
I: palmar surface of distal phalanges of digits 2-5

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

What is the innervation to flexor digitorum profundus?

A

Medial half: Ulnar nerve

Lateral half: Median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What is the innervation to the flexor compartment of the forearm?

A

Median nerve, except medial half of flexor digitorum profundus and flexor carpi ulnaris (ulnar nerve)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What are the attachments of flexor pollicis longus?

A

O: Anterior surface of radius and interosseous membrane
I: palmar surface of distal phalanx of thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What are the attachments of pronator quadratus?

A

O: Distal anterior surface of ulna
I: Distal anterior surface of radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

The anterior interosseous nerve is a branch of which nerve?

A

The median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Which artery contributes most of the superficial palmar arch?

A

The ulnar artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Which artery contributes most to the deep palmar arch

A

The radial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What artery does the interosseous arteries come from?

A

The ulnar artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

How many phalanges are there in the thumb?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Which carpal bones articulate with the radial bone?

A

Scaphoid, lunate and part of triquetrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Which carpal bones articulate with the ulna?

A

None of the carpal bones articulate with the ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

What is the function of the palmar aponeurosis?

A

Gives firm attachment to the skin to improve grip, protects underlying neurovasculature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

What is dupuytren’s contracture?

A

Thickening and contraction of the ulnar side of the aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

What is the name for where the tendons of flexor digitorum profundus pass through the split tendons of flexor digitorum superficialis?

A

Campers chiasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

What are the attachments of the palmar aponeurosis?

A

O: Palmaris longus tendon, palmaris brevis
I: The distal sheath of each finger (not thumb), skin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

What are the attachments of palmaris brevis?

A

O: Palmar aponeurosis, flexor retinaculum
I: Dermis of hypothenar region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

What is the function of palmaris brevis?

A

To tighten the palmar aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

What is the innervation to palmaris brevis?

A

Superficial branch of ulnar nerve (C8, T1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

What does the recurrent branch of the median nerve innervate?

A

The muscles of the thenar eminence

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

What causes the ape hand deformity?

A

Damage to the recurrent motor branch of the median nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Where does the ulnar artery bifurcate?

A

Distal and lateral to the pisiform bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Which artery provides the majority of blood supply to the superficial palmar arch?

A

The ulnar artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Which artery provides the majority of the blood supply to the deep palmar arch?

A

The radial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

What is the name of the arteries that come off the superficial palmar arch to supply the digits?

A

The common palmar digital arteries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Which bones does the flexor retinaculum attach to?

A

Medially: pisiform and hook of hamate
Laterally: Scaphoid tubercle and crest of trapezium

51
Q

Which structures pass through the carpal tunnel?

A

4 tendons of flexor digitorum superficialis, 4 tendons of flexor digitorum profundus, median nerve, flexor pollicis longus tendon

52
Q

Which tendon passes through a separate part of the carpal tunnel?

A

Flexor carpi radialis

53
Q

Which structures pass through the wrist superficially to the flexor retinaculum?

A

Ulnar nerve, ulnar artery, palmaris longus tendon

54
Q

Where is Guyon’s canal?

A

Between the pisiform and the hook of hamate

55
Q

Name the muscles of the thenar eminence?

A

Abductor pollicis brevis, adductor pollicis, flexor pollicis brevis and opponens pollicis

56
Q

What is the action of abductor pollicis brevis?

A

Abduction of the carpo-metacarpal joint of the thumb

57
Q

What are the attachments of abductor pollicis brevis?

A

O: Tubercles of scaphoid and trapezium bones, flexor retinaculum
I: Lateral aspect of base of proximal phalanx of thumb

58
Q

What is the innervation to abductor pollicis brevis?

A

The recurrent branch of the median nerve (C8, T1)

59
Q

What is the action of adductor pollicis?

A

Adduction of the carpometacarpal joint of the thumb

60
Q

What are the attachments of adductor pollicis?

A

O: Transverse head: Palmar base of metacarpal bone 3. Oblique head: Capitate bone, palmar bases of metacarpal bones 2&3
I: Medial base of proximal phalanx of thumb

61
Q

What is the innervation to adductor pollicis?

A

Deep branch of ulnar nerve (C8, T1)

62
Q

What is the action of flexor pollicis brevis?

A

Flexion of the carpametacarpal and metacarpophalangeal joints of the thumb

63
Q

What are the attachments of flexor pollicis brevis?

A

O: Superficial head: Flexor retinaculum, trapezium. Deep head: trapezoid, capitate
I: Lateral aspect of base of proximal phalanx of the thumb

64
Q

What is the innervation to flexor pollicis brevis?

A

Superficial head: Recurrent branch of median nerve (C8, T1)

Deep head: Deep branch of ulnar nerve (C8, T1)

65
Q

What are the attachments of opponens pollicis?

A

O: Tubercle of trapezium bone, flexor retinaculum
I: Radial border of metacarpal of the thumb

66
Q

What is the innervation to opponens pollicis?

A

Recurrent branch of the median nerve (C8, T1)

67
Q

What is the action of abductor digit minimi?

A

Abduction and flexion of metacarpophalangeal joint, extension of interphalangeal joints of the pinkie

68
Q

What are the attachments of abductor digiti minimi?

A

O: Pisiform bone
I: Ulnar side of base of proximal phalanx, extensor expansion

69
Q

What is the innervation to the hypothenar eminence?

A

Deep branch of the ulnar nerve (C8, T1)

70
Q

What are the muscles of the hypothenar eminence?

A

Abductor digit minimi, flexor digiti mínimo brevis , opponens digiti minimi

71
Q

What is the action of flexor digiti minimi?

A

Flexion of the metacarpophalangeal joint of the pinkie

72
Q

What are the attachments of flexor digiti minimi?

A

O: Hook of hamate, flexor retinaculum
I: Base of proximal phalanx of pinkie

73
Q

What are the attachments of opponens digiti minimi?

A

O: Hook of hamate, flexor retinaculum
I: Ulnar aspect of the 5th metacarpal

74
Q

What are the attachments of the lumbrical muscles?

A

O: Tendons of flexor digitorum profundus
I: Extensor expansion of hand

75
Q

What is the action of the lumbricals?

A

Flexion of the metacarpophalangeal joints, extension of the interphalangeal joints

76
Q

What is the innervation of the lumbricals?

A

1+2 - Median nerve (C8, T1)

3+4 - Ulnar nerve (C8, T1)

77
Q

Which of the lumbricals are unipennate and which are bipennate?

A

1+2 - Unipennate

3+4 - Bipennate

78
Q

How many palmar interossei are there?

A

Three

79
Q

What is the action of the palmar interossei?

A

Adduction (PAD)

Flexion of the metacarpophalangeal joints, extension of the interphalangeal joints

80
Q

What is the innervation to the palmar interossei?

A

deep branch of Ulnar nerve (C8, T1)

81
Q

What are the attachments of the palmar interossei?

A

O: Ulnar side of metacarpal bone 2, radial side of metacarpal bones 4+5
I: Ulnar base of proximal phalanx/extensor expansion of digit 2, radial base of proximal phalanges/extensor expansions of digits 4+5

82
Q

Are the palmar interossei unipennate or bipennate?

A

Unipennate

83
Q

What is the pathway of the palmary digital nerves?

A

They come off the medial or ulnar nerve and run along the medial and lateral sides of each digit

84
Q

Where is the olecranon?

A

The pointy part of your elbow, the superior aspect of the ulna

85
Q

What are the attachments of the extensor retinaculum?

A

Laterally: Radius
Medially: Styloid process of ulna, triquetrum, pisiform

86
Q

What are the actions of brachioradialis?

A

Flexion of the forearm at the elbow (when semi-pronated)

87
Q

What are the attachments of brachioradialis?

A

O: Lateral supracondylar ridge
I: Styloid process of radius

88
Q

What is the innervation to brachioradialis?

A

Radial nerve (C5,6)

89
Q

What are the actions of anconeus?

A

Assists in forearm extension and stabilization of the elbow joint

90
Q

What are the attachments of anconeus?

A

O: Lateral epicondylar ridge
I: Lateral surface of olecranon

91
Q

What is the innervation to anconeus?

A

Radial nerve (C7,8)

92
Q

What are the five superficial muscles of the posterior forearm?

A

Extensor carpi radialis longus, brevis.
Extensor digitorum.
Extensor digiti minimi.
Extensor carpi ulnaris.

93
Q

Which two structures are likely to be injured following a scaphoid fracture?

A

Radial artery, superficial branch of the radial nerve

94
Q

Which nerve is directly responsible for the innervation of the lateral aspect of flexor digitorum profundus?

A

anterior interosseous nerve - branch of the median

95
Q

What type of joint is the wrist joint?

A

A condyloid, synovial joint

96
Q

Which one of the carpal bones is a sesamoid bone in the tendon of flexor carpi ulnaris?

A

Pisiform

97
Q

Pronation and supination involve the movements of which bones?

A

The radius over the ulna

98
Q

Where is the clavipectoral fascia?

A

under the clavicular portion of pectoralis major. It protects both the axillary vessels and nodes.

99
Q

What are the attachments of extensor carpi radialis longus?

A

O: Lateral supracondylar ridge of humerus
I: posterior aspect of base of metacarpal bone 2

100
Q

What is the innervation to extensor carpi radialis longus?

A

Radial nerve (C5-C8)

101
Q

What are the attachments of extensor carpi radialis brevis?

A

O: Lateral aspect of humerus
I: Posterior base of metacarpal bone 3

102
Q

What are the attachments of extensor digitorum?

A

O: Lateral epicondyle of humerus
I: Extensor expansions of digits 2-5

103
Q

What is the innervation to extensor digitorum?

A

Posterior interosseous nerve (C7, C8)

104
Q

What is the innervation to extensor carpi radialis brevis?

A

Radial nerve C5, C6

105
Q

What are the attachments of extensor digiti minimi?

A

O: Lateral epicondyle of humerus
I: Extensor expansion of digit 5

106
Q

What is the innervation to extensor digiti minimi?

A

Posterior interosseous nerve (C7, C8)

107
Q

What are the attachments to extensor carpi ulnaris?

A

O: lateral epicondyle of humerus, posterior border of ulna
I: base of metacarpal bone 5

108
Q

What is the innervation to extensor carpi ulnaris?

A

Posterior interosseous nerve (C7, C8)

109
Q

What are the attachments of supinator?

A

O: Lateral epicondyle of humerus, annular ligament, supinator crest of ulna
I: Proximal 1/3rd of radius

110
Q

What is the innervation to supinator?

A

Posterior interosseous nerve from radial nerve (C7, C8)

111
Q

What are the attachments of extensor indicis?

A

O: Posterior surface of distal 1/3rd of ulna and interosseous membrane
I: Extensor expansion of index finger

112
Q

What is the action of extensor indicis?

A

Weak hand extension, index finger extension at metacarpophalangeal and interphalangeal joints

113
Q

What is the innervation to extensor indicis?

A

Posterior interosseous nerve (C7, C8)

114
Q

What are the contents of the anatomical snuff box?

A

CARTs - Cephalic vein, (radial) Artery, Radial nerve (superficial branch), Tendons of extensor carpi radialis longus and brevis

115
Q

What makes up the floor of the anatomical snuffbox?

A

Scaphoid and trapezium

116
Q

What makes up the medial border of the anatomical snuffbox?

A

Extensor pollicis longus tendon

117
Q

What makes up the lateral border of the anatomical snuffbox?

A

Extensor pollicis brevis, abductor pollicis longus

118
Q

What are the attachments of abductor pollicis longus?

A

O: Posterior surface of proximal half of radius, ulna and interosseus membrane
I: Base of metacarpal bone 1

119
Q

What is the innervation to abductor pollicis longus?

A

Posterior interosseous nerve (C7, 8)

120
Q

What are the attachments of extensor pollicis longus?

A

O: Posterior surface of middle third of ulna and interosseous membrane
I: Posterior aspect of base of distal phalanx of thumb

121
Q

What is the innervation to extensor pollicis longus and brevis?

A

Posterior interosseous nerve (C7, 8)

122
Q

What are the attachments to extensor pollicis brevis?

A

O: Posterior surface of distal third of radius
I: Posterior aspect of base of proximal phalanx of thumb

123
Q

What do the the dorsal digital arteries come off?

A

The dorsal metacarpal arteries

124
Q

Where do the dorsal metacarpal arteries lie?

A

Along the grooves between the dorsal interossei

Human Anatomy MSc Sheffield - trunk and limb (13 decks)

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