Brainscape's Knowledge GenomeTM

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


See full index

Anatomy > Muscles of Anterior Compartment of the Forearm > Flashcards

Muscles of Anterior Compartment of the Forearm Flashcards

1
Q

What are the two compartments of the forearm?

A

Anterior and Posterior.

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

What is the common attachment of the anterior compartment of the forearm?

A

Medial epicondyle of the humerus.

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

What is the common action of the anterior compartment of the forearm?

A

Flexion.

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

What is the common innervation of the anterior compartment of the forearm?

A

Median nerve.

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

What are the 3 muscles groups of the forearm and how many are in each group?

A

Superficial (4)
Intermediate (1)
Deep (3)

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

What are the origins of the pronator teres (PT)?

A

Two heads; medial epicondyle and the medial supracondylar ridge of the humerus.

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

What is the insertion of the pronator teres?

A

Midshaft of the radius.

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

What is the action of pronator teres?

A

Pronates forearm.

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

What innervates pronator teres?

A

Median nerve (C6-C7)

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

What is the origin of flexor carpi radialis (FCR)?

A

Medial epicondyle of the humerus.

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

What is the insertion of flexor carpi radialis?

A

Base of 2nd and 3rd metacarpals.

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

What are the actions of flexor carpi radialis?

A

Wrist flexion and radial deviation (abduction).

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

What innervates flexor carpi radialis?

A

Median nerve (C6-C7).

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

This muscle can be absent on one or both sides in an individual?

A

Palmaris longus.

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

What is the origin of palmaris longus (PL)?

A

Medial epicondyle of the humerus.

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

What is the insertion of palmaris longus?

A

Palmar aponeurosis.

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

What is the action of palmaris longus?

A

Weak wrist flexion.

18
Q

What innervates palmaris longus?

A

Median nerve (C6-C7).

19
Q

What are the origins of flexor carpi ulnaris (FCU)?

A

Two heads; Medial epicondyle and olecranon process.

20
Q

What are the insertions of the flexor carpi ulnaris?

A

Pisiform bone and base of 5th metacarpal.

21
Q

What are the actions of flexor carpi ulnaris?

A

Wrist flexion and ulnar deviation (adduction).

22
Q

What innervates flexor carpi ulnaris?

A

Ulnar nerve (C7-T1).

23
Q

Arises from two heads and gives rise to 4 tendons, which transverse the carpal tunnel to insert on digits 2 to 5.

A

Flexor digitorum superficialis (FDS).

24
Q

What are the origins of flexor digitorum superficialis (FDS)?

A

Two heads; Medial epicondyle and radius.

25
Q

What is the insertion of flexor digitorum superficialis?

A

Onto the middle phalanges of digits 2 to 5.

26
Q

What are the actions of flexor digitorum superficialis?

A

Wrist, Metacarpophalangeal (MCP) joint, and Proximal interphalangeal (PIP) joint flexion.

27
Q

What innervates flexor digitorum superficialis?

A

Median nerve (C6-C7).

28
Q

What muscle is located deep to the flexor digitorum superficialis muscle?

A

Flexor pollicis longus (FPL).

29
Q

What are the origins of flexor pollicis longus?

A

Radius and interosseous membrane.

30
Q

What is the insertion of flexor pollicis longus?

A

Onto distal phalanx of digit 1.

31
Q

What are the actions of flexor pollicis longus?

A

Thumb flexion.

32
Q

What innervates flexor pollicis longus?

A

Median nerve (C6-C7).

33
Q

What are the origins of flexor digitorum profundus (FDP)?

A

Medial surface of ulna and interosseous membrane.

34
Q

What is the insertion of flexor digitorum profundus?

A

Onto distal phalanges of digits 2 to 5.

35
Q

What are the actions of flexor digitorum profundus?

A

Wrist, MCP, PIP, and distal interphalangeal (DIP) joint flexion.

36
Q

What innervates flexor digitorum profundus?

A

Dual innervation; radial belly (digits 2-3) innervated by median nerve (anterior interosseous nerve), and ulnar belly (digits 4-5) innervated by the ulnar nerve.

37
Q

What is the origin of pronator quadratus (PQ)?

A

Distal anterior surface of ulna.

38
Q

What is the insertion of pronator quadratus?

A

Distal anterior surface of radius.

39
Q

What is the action of pronator quadratus?

A

Pronates forearm.

40
Q

What innervates pronator quadratus?

A

Median nerve (anterior interosseous).

Anatomy (60 decks)

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