Brainscape's Knowledge GenomeTM

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


See full index

Anatomy Lab > Exam 1 - Hand > Flashcards

Exam 1 - Hand Flashcards

1
Q

____ joints of all digits only produce flexion and extension

A

Interphalangeal

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

• Metacarpophalangeal joints of digits 2-5 produce ____

A

flexion/extension and abduction/adduction

-Except 3 can only abduct medially and laterally

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

• The metacarpophalangeal joint of digit 1 is typically only associated with ___

A

flexion and extension

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

• Abduction/adduction of digit 1 occurs at the ___

A

carpometacarpal joint

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

Attachment of Abductor pollicis Brevis

A
  • Tubercles of scaphoid and trapezium
  • flexor retinaculum
  • Proximal phalanx of first digit
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Innervation of Abductor pollicis Brevis

A

• Median nerve

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

Vessels of Abductor pollicis Brevis

A

Superficial palmar arch

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

Action of Abductor pollicis Brevis

A

Abducts thumb at metacarpophalangeal joint

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

Attachment of Flexor pollicis brevis

A
  • Tubercle of trapezium
  • Flexor retinaculum
  • Proximal phalanx of thumb
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Innervation of Flexor pollicis brevis

A

• Median nerve

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

Vessels of Flexor pollicis brevis

A

Superficial palmar arch

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

Action of Flexor pollicis brevis

A

Flexes thumb and metacarpophalangeal joint

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

Attachment of Opponens pollicis

A
  • Tubercle of trapezium
  • Flexor retinaculum
  • Lateral surface of metacarpal 1
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Innervation of Opponens pollicis

A

• Median nerve

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

Vessels of Opponens pollicis

A

Superficial palmar arch

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

Action of Opponens pollicis

A

Medially rotates thumb

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

Attachment of Abductor Digiti Mini

A
  • Pisiform

* Proximal phalanx of digit 5

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

Innervation of Abductor Digiti Mini

A

Deep branch of ulnar nerve

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

Vessels of Abductor Digiti Mini

A

Deep palmar arch

Superficial palmar arch

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

Action of Abductor Digiti Mini

A

Abducts digit 5 at metacarpophalangeal joint

21
Q

Attachment of Flexor Digiti Minimi

A
  • Hook of hamate
  • Proximal phalanx of digit 5
  • Flexor retinaculum
22
Q

Innervation of Flexor Digiti Minimi

A

Deep branch of ulnar nerve

23
Q

Vessels of Flexor Digiti Minimi

A
  • Deep palmar arch

* Superficial palmar arch

24
Q

Action of Flexor Digiti Minimi

A

Flexes digit 5 at metacarpophalangeal joint

25
Attachment of Opponens digiti minimi
* Hook of hamate * Flexor retinaculum * Palmar surface of metacarpal 5 * Proximal phalanx of digit 5
26
innervation of Opponens digiti minimi
Deep branch of ulnar nerve
27
Vessels of Opponens digiti minimi
Deep palmar arch
28
action of Opponens digiti minimi
Laterally rotates metacarpal V
29
Attachment of Palmaris Brevis
* Palmar aponeurosis | * Flexor retinaculum
30
Innervation of Palmaris Brevis
Superficial branch of ulnar nerve
31
Vessels of Palmaris Brevis
Superficial palmar arch
32
Action of Palmaris Brevis
Improves grip
33
Attachment of Adductor Pollicis
* Metacarpal III * Capitate * bases of metacarpals II and III * Base of proximal phalanx * extensor hood of thumb
34
Innervation of Adductor Pollicis
Deep branch of ulnar nerve
35
Vessels of Adductor Pollicis
* Deep palmar arch * Princeps pollicis artery * Radialis indices artery
36
Action of Adductor Pollicis
Adducts thumb
37
Actions of lumbricals 1-4
Flex metacarpophalangeal joints while extending interphalangeal joints
38
Attachments of lubricals 1-4
- tendons of flexor digitorum profundis | - Extensor hoods of digits 2-5
39
Innervation of lumbricals 1-2
Median nerve
40
Innervation of lumbricals 3-4
Deep branch of ulnar nerve
41
Vessels of lumbricals
* Superficial palmar arch * Common palmar digital arteries * Proper palmar digital arteries
42
Attachments of 4 Dorsal Interosseus
* Adjacent sides of metacarpals | * Extensor hood and base of proximal phalanges of digits 2, 3, and 4
43
Innervation of 4 Dorsal Interosseus
Deep branch of ulnar nerve
44
Vessels of 4 Dorsal Interosseus
Deep palmar arch
45
Actions of 4 Dorsal Interosseus
Abduction of digits 2, 3, 4
46
Attachments of 3 Palmar interosseus
* Sides of metacarpals | * Extensor hoods of digits 2, 4, and 5
47
Innervation of 3 Palmar interosseus
Deep ulnar branch
48
Vessels of 3 Palmar interosseus
Deep palmar arch
49
Actions of 3 Palmar interosseus
Adduction of digits 2, 4, 5 and the metacarpophalangeal joints

Anatomy Lab (5 decks)

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