Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

► Med Misc 25 > Muscles of the Anterior Forearm > Flashcards

Muscles of the Anterior Forearm Flashcards

1
Q

What categories are the muscles of the anterior forearm split into?

A

Superficial, Intermediate, Deep

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

What do the muscles in the anterior compartment of the forearm do?

A

In general, produce flexion at the wrist and fingers, and pronation

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

What are the superficial muscles of the anterior forearm?

A

Flexor carpi ulnaris
Palmaris longus
Flexor carpi radialis
Pronator teres

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

What do all the muscles of the superficial compartment of the anterior forearm originate from?

A

A common tendon, which arises from the medial epicondyle of the humerus

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

What does the flexor carpi ulnaris have?

A

A humeral and ulnar head

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

What is the proximal attachment of the humeral head of the FCU?

A

Medial epicondyle of the humerus (common flexor origin)

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

What is the proximal attachment of the ulnar head of the FCU?

A

Olecranon and posterior border of ulna (via aponeurosis)

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

What is the distal attachment of the FCU?

A

Pisiform
Hook of hamate
5th metacarpal

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

What is the innervation of the FCU?

A

Ulnar nerve (C7, C8)

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

What % of the population is the palmaris longus absent in?

A

15%

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

What is the proximal attachment of the palmaris longus?

A

Medial epicondyle of the humerus (common flexor origin)

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

What is the distal attachment of the palmaris longus?

A

Distal half of the flexor retinaculum and apex of palmar aponeurosis

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

What is the innervation of the palmaris longus?

A

Median nerve (C7, C8)

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

What is the arterial supply of the palmaris longus?

A

Ulnar artery

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

What is the function of the palmaris longus?

A

Flexes hand at wrist

Tenses palmar aponeurosis

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

What is the proximal attachment of the flexor carpi radialis?

A

Medial epicondyle of the humerus (common flexor origin)

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

What is the distal attachment of the FCR?

A

Base of 2nd metacarpal

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

What is the innervation of the FCR?

A

Median nerve (C6, C7)

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

What is the arterial supply of the FCR?

A

Ulnar artery

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

What is the action of the FCR?

A

Flexes and abducts hand (at wrist)

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

What does the lateral border of the pronator teres form?

A

The medial border of the cubital fossa

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

What does the pronator teres have?

A

An ulnar head and a humeral head

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

What is the proximal attachment of the ulnar head of the pronator teres?

A

Coronoid process

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

What is the proximal attachment of the humeral head of the pronator teres?

A

Medial epicondyle of the humerus (common flexor origin)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
What is the distal attachment of the pronator teres?
Middle of convexity of the lateral surface of the radius
26
What is the innervation of the pronator teres?
Median nerve (C6, C7)
27
What is the arterial supply of the pronator teres?
Ulnar artery  | Anterior ulnar recurrent artery
28
What is the main action of the pronator teres?
Pronates and flexes the forearm at the elbow
29
What muscle is in the intermediate compartment of the anterior forearm?
Flexor digitorum superficialis
30
Why is the flexor digitorum superficialis a good anatomical landmark?
The median nerve and ulnar artery pass between its two heads, and then travel posteriorly
31
What does the FDS have?
Humero-ulnar head | Radial head
32
What is the proximal attachment of the humero-ulnar head of the FDS?
Medial epicondyle (common flexor origin) and coronoid process
33
What is the proximal attachment of the radial head of the FDS?
Superior half of anterior border of the radius
34
What happens to the FDS at the wrist?
It splits into four tendons, which travel to through the carpal tunnel
35
Where is the distal attachment of the FDS?
Shafts of the middle phalanges of medial four digits
36
What is the innervation of the FDS?
Median nerve (C7, C8, T1)
37
What is the arterial supply of the FDS?
Ulnar artery
38
What is the main action of the FDS?
Flexes middle phalanges at proximal interphalangeal joints of middle four digits  Acting more strongly, it also flexes proximal phalanges at metacarpophalangeal joints
39
What are the muscles of the deep anterior forearm?
Flexor digitorum profundus  Flexor pollicis longus  Pronator quadratus
40
What does the flexor digitorum profundus have?
Medial part and lateral part
41
What is the proximal attachment of the FDP?
Proximal three quarters of medial and anterior surfaces of ulna and interosseous membrane
42
What happens to the FDP at the wrist?
It splits into four tendons which pass through the carpal tunnel
43
What is the distal attachment of the medial part of the FDP?
Bases of distal phalanges of 4th and 5th digits
44
What is the distal attachment of the lateral part of the FDP?
Bases of the distal phalanges of the 2nd and 3rd digits
45
What is the innervation of the medial part of the FDP?
Ulnar nerve (C8, T1)
46
What is the innervation of the lateral part of the FDP?
Anterior interosseous nerve, from median nerve (C8, T1)
47
What is the arterial supply for the FDP?
Ulnar artery  | Anterior interosseous artery
48
What is the main action of the medial part of the FDP?
Flexes distal phalanges 4 and 5 at the distal interphalangeal joints
49
What is the main action of the lateral part of the FDP?
Flexes distal phalanges 2 and 3 at the distal phalangeal joints
50
Where does the flexor pollicis longus lie?
Laterally to the FDP
51
What is the proximal attachment of the FPL?
Anterior surface of the radius and adjacent interosseous membrane
52
What is the distal attachment of the FPL?
Base of distal phalanx of the thumb
53
What is the innervation of the FPL?
Anterior interosseous nerve, from median nerve (C8, T1)
54
What is the arterial supply of the FPL?
Anterior interosseous artery
55
What is the main action of the FPL?
Flexes phalanges of thumb
56
What shape is the pronator quadratus?
Square
57
Where is the pronator quadratus found?
Deep to the tendons of the FDP and FPL
58
What is the proximal attachment of the pronator quadratus?
Distal quarter of anterior surface of ulna
59
What is the distal attachment of the pronator quadratus?
Distal quarter of anterior surface of radius
60
What is the innervation of the pronator quadratus?
Anterior interosseous nerve, from median nerve (C8, T1)
61
What is the arterial supply of the pronator quadratus?
Anterior interosseous artery
62
What is the main function of the pronator quadratus?
Pronate forearm  | Deep fibres bind radius and ulna together

► Med Misc 25 (69 decks)

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