Anatomy > Lab 5 > Flashcards

Lab 5 Flashcards

(51 cards)

Study These Flashcards
1
Q

Origin of Abductor Pollicus Brevis

A
  • Flexor retinaculum
  • Trapezium
  • Scaphoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Insertion of Abductor Pollicis Brevis:

A

Base of proximal phalanx of digit 1

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

Action of Abductor Pollicis Brevis:

A

Abduction of thumb at CMC Joint

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

Nerve supply of Abductor Pollicis Brevis:

A

Median Nerve

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

OIAN Abductor Pollicis Brevis:

A

Origin:
- Flexor retinaculum
- Trapezium
- Scaphoid

Insertion: - Base of proximal phalanx of digit 1
Action: - Abduction of thumb at CMC Joint
Nerve Supply: - Median nerve

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

Origin of Flexor Pollicis Brevis (2 heads)

A
  • Superficial head – flexor retinaculum and trapezium
  • Deep head – trapezium and capitate
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Insertion of Flexor Pollicis Brevis

A
  • Base of proximal phalanx of digit 1
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Action of Flexor Pollicis Brevis

A
  • Flexion of thumb at MCP joint
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Nerve Supply of Flexor Pollicis Brevis

A
  • Superficial head – median nerve
  • Deep head – ulnar nerve
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

OIAN of Flexor Pollicis Brevis

A

Origin:
- Superficial head – flexor retinaculum and trapezium
- Deep head – trapezium and capitate

Insertion: - Base of proximal phalanx of digit 1
Action: - Flexion of thumb at MCP joint
Nerve Supply:
- Superficial head – median nerve
- Deep head – ulnar nerve

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

Origin of Opponens Pollicis:

A
  • Flexor retinaculum
  • Trapezium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Insertion of Opponens Pollicis:

A

Radial shaft of 1st metacarpal

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

Action of Opponens Pollicis:

A

Opposition of thumb at CMC joint

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

Nerve supply of Opponens Pollicis:

A

Median Nerve

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

OIAN of Opponens Pollicis:

A

Origin:
- Flexor retinaculum
- Trapezium
Insertion: - Radial shaft of 1st metacarpal
Action: - Opposition of thumb at CMC joint
Nerve Supply: - Median nerve

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

Origin of Adductor Pollicis

A
  • Transverse head – anterior surface of 3rd metacarpal
  • Oblique head – bases of 2nd and 3rd metacarpals;
    capitate, trapezoid and trapezium
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Insertion of Adductor Pollicis

A

Base of proximal phalanx of digit 1

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

Action of Adductor Pollicis

A

Adduction of thumb at CMC joint

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

Nerve supply of Adductor Pollicis

A

Ulnar Nerve

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

OIAN of Adductor Pollicis

A

Origin:
- Transverse head – anterior surface of 3rd metacarpal
- Oblique head – bases of 2nd and 3rd metacarpals;
capitate, trapezoid and trapezium

Insertion: - Base of proximal phalanx of digit 1
Action: - Adduction of thumb at CMC joint
Nerve Supply: - Ulnar nerve

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

Origin of Abductor Digit Minimi

22
Q

Insertion of Abductor Digit Minimi

Study These Flashcards
A

Base of proximal phalanx of digit 5

23
Q

Action of Abductor Digit Minimi

Study These Flashcards
A

Abduction of digit 5 at MCP joint

24
Q

Nerve Supply of Abductor Digit Minimi

25
OIAN of Abductor Digit Minimi
Origin: - Pisiform Insertion: - Base of proximal phalanx of digit 5 Action: - Abduction of digit 5 at MCP joint Nerve Supply: - Ulnar nerve
26
Origin of Flexor Digiti Minimi
Flexor retinaculum & Hook of Hamate
27
Insertion of Flexor Digiti Minimi
Base of proximal phalanx of digit 5
28
Action of Flexor Digiti Minimi
Flexion of digit 5 at MCP joint
29
Nerve Supply Flexor Digiti Minimi
Ulnar Nerve
30
OIAN of Flexor Digiti Minimi
Origin: - Flexor retinaculum - Hook of hamate Insertion: - Base of proximal phalanx of digit 5 Action: - Flexion of digit 5 at MCP joint Nerve Supply: - Ulnar nerve
31
Origin of Opponens Digiti Minimi
Flexor retinaculum & Hook of hamate
32
Insertion of Opponens Digiti Minimi
Ulnar border of 5th Metacarpal
33
Action of Opponens Digiti Minimi
Opposition of digit 5 at CMC joint
34
Nerve Supply of Opponens Digiti Minimi
Ulnar nerve
35
OIAN of Opponens Digiti Minimi
Origin: - Flexor retinaculum - Hook of hamate Insertion: - Ulnar border of 5th metacarpal Action: - Opposition of digit 5 at CMC joint Nerve Supply: - Ulnar nerve
36
Origin of Lumbricals
Flexor digitorum profundus tendons
37
Insertion of Lumbricals
Radial side of extensor expansion of digits 2-5
38
Action of Lumbricals
- Flexion of digits 2-5 at MCP joints - Extension of digits 2-5 at PIP and DIP joints
39
Nerve Supply of Lumbricals
- Digits 2-3: median nerve - Digits 4-5: ulnar nerve
40
OIAN of Lumbricals
Origin: - Flexor digitorum profundus tendons Insertion: - Radial side of extensor expansion of digits 2-5 Action: - Flexion of digits 2-5 at MCP joints - Extension of digits 2-5 at PIP and DIP joints Nerve Supply: - Digits 2-3: median nerve - Digits 4-5: ulnar nerve
41
Origin of Dorsal Interossei
Posterior surfaces of adjacent metacarpals
42
Insertion of Dorsal Interossei
- Bases of proximal phalanges and extensor expansions of digits 2-4 - Radial (lateral) sides of digits 2-3 - Ulnar (medial) sides of digits 3-4
43
Action of Dorsal Interossei
- Abduction of digits 2-4 at MCP joints - Flexion of digits 2-4 at MCP joints - Extension of digits 2-4 at PIP and DIP joints
44
Nerve supply of Dorsal Interossei
Ulnar Nerve
45
OIAN of Dorsal Interossei
Origin: - Posterior surfaces of adjacent metacarpals Insertion: - Bases of proximal phalanges and extensor expansions of digits 2-4 - Radial (lateral) sides of digits 2-3 - Ulnar (medial) sides of digits 3-4 Action: - Abduction of digits 2-4 at MCP joints - Flexion of digits 2-4 at MCP joints - Extension of digits 2-4 at PIP and DIP joints Nerve Supply: - Ulnar nerve
46
Origin of Palmar Interossei
Palmar surfaces of 2nd, 4th, and 5th metacarpals
47
Insertion of Palmar Interossei
- Bases of proximal phalanges and extensor expansions of digits 2, 4, and 5 - Ulnar (medial) side of digit 2 - Radial (lateral) side of digits 4-5
48
Action of Palmar Interossei
- Adduction of digits 2, 4 and 5 at MCP joints - Flexion of digits 2, 4 and 5 at MCP joints - Extension of digits 2, 4 and 5 at PIP and DIP joints
49
Nerve Supply of Palmar Interossei
Ulnar nerve
50
OIAN of Palmar Interossei
Origin: - Palmar surfaces of 2nd, 4th, and 5thmetacarpals Insertion: - Bases of proximal phalanges and extensor expansions of digits 2, 4, and 5 - Ulnar (medial) side of digit 2 - Radial (lateral) side of digits 4-5 Action: - Adduction of digits 2, 4 and 5 at MCP joints - Flexion of digits 2, 4 and 5 at MCP joints - Extension of digits 2, 4 and 5 at PIP and DIP joints Nerve Supply: - Ulnar nerve
51
What are the eight carpal bones?
Scaphoid, Lunate, Triquetrum, Pisiform, Hamate, Capitate, Trapezoid, Trapezium
Anatomy
flashcards
Decks in class (14)
# Cards
Brainscape helps you reach your goals faster, through stronger study habits.
© 2026 Bold Learning Solutions. Terms and Conditions