Brainscape's Knowledge GenomeTM

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


See full index

Anatomy 2 - Written Exam > Extrinsic Muscles of the Digits > Flashcards

Extrinsic Muscles of the Digits Flashcards

1
Q

Attachments of flexor digitorum superficialis

A

O: Humeroulnar head - medial epicondyle of humerus, ulnar collateral ligament and medial part of coronoid process of ulna
Radial head - upper 2/3rd anterior border of radius

I: base of middle phalanx of 2nd - 5th digits

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

What is the DOF for flexor digitorum superficialis

A

inferiorly

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

What is the innervation of flexor digitorum superficialis

A

median nerve

C7, C8, T1

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

what is the action of flexor digitorum superficialis

A

flexion of PIP, MCP and wrist

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

what is the function of flexor digitorum superficialis

A

carrying shopping

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

Attachments of flexor digitorum profundus

A

O: upper 3/4 anterior and medial surfaces of ulna, middle 1/3rd interosseous membrane and medial part of coronoid process of ulna, posterior border of ulna via aponeruosis

I: base of distal phalanx of 2nd - 5th digits

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

what is the DOF of flexor digitorum profundus

A

inferior

deep to FDS

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

what is the nerve supply to flexor digitorum profundus

A

medial part: ulnar nerve - C8, T1

lateral part: anterior interosseous branch of median nerve - C8, T1

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

what is the action of flexor digitorum profundus

A

flexes DIP, PIP, MCP and wrist

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

what is the function of flexor digitorum profundus

A

Writing with a pen

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

What are the attachments of extensor digitorum?

A

O: lateral epicondyle of humerus via CEO

I: base of middle and distal phalanx of 2nd-5th digits via DDE

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

what is the nerve supply of extensor digitorum?

A

posterior interosseous branch of radial nerve - C7,C8

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

what is the action of extensor digitiorum?

A

Extension of the DIP, PIP, MCP and wrist

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

what is the function of extensor digitorum?

A

releasing a grip

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

What are the attachments of extensor indicis?

A

O: lower part of posterior surface of ulna and adjacent interosseous membrane

I: into the DDE on proximal phalanx of index finger

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

what is the nerve supply of extensor indicis?

A

posterior interosseous branch of the radial nerve - C7, C8

17
Q

what is the DOF of extensor indicis?

A

tendon runs medially to extensor digitorum

inferolaterally

18
Q

what is the action of extensor indicis?

A

aids extensor digitorum to extend the DIP, PIP and MCP of the index finger - enabling independent extension

19
Q

what is the function of extensor indicis?

A

pointing

20
Q

what is the function of extensor indicis?

A

pointing at object

21
Q

what are the attachments of extensor digiti minimi?

A

O: lateral epicondyle of humerus via CEO

I: DDE on base of middle phalanx of little finger

22
Q

what is the nerve supply of extensor digiti miimi?

A

posterior interosseous branch of radial nerve - C7, C8

23
Q

what is the DOF of extensor digiti minimi?

A

inferomedially

24
Q

What is the action of extensor digiti minimi?

A

assists extensor digitorum to extend MCP and PIP of little finger

abduction of little finger

extension of the wrist

Anatomy 2 - Written Exam (22 decks)

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