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Anatomy > Lab 5 > Flashcards

Lab 5 Flashcards

1
Q

Origin of Abductor Pollicus Brevis

A
  • Flexor retinaculum
  • Trapezium
  • Scaphoid
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2
Q

Insertion of Abductor Pollicis Brevis:

A

Base of proximal phalanx of digit 1

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3
Q

Action of Abductor Pollicis Brevis:

A

Abduction of thumb at CMC Joint

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4
Q

Nerve supply of Abductor Pollicis Brevis:

A

Median Nerve

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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

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6
Q

Origin of Flexor Pollicis Brevis (2 heads)

A
  • Superficial head – flexor retinaculum and trapezium
  • Deep head – trapezium and capitate
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7
Q

Insertion of Flexor Pollicis Brevis

A
  • Base of proximal phalanx of digit 1
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8
Q

Action of Flexor Pollicis Brevis

A
  • Flexion of thumb at MCP joint
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9
Q

Nerve Supply of Flexor Pollicis Brevis

A
  • Superficial head – median nerve
  • Deep head – ulnar nerve
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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

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11
Q

Origin of Opponens Pollicis:

A
  • Flexor retinaculum
  • Trapezium
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12
Q

Insertion of Opponens Pollicis:

A

Radial shaft of 1st metacarpal

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13
Q

Action of Opponens Pollicis:

A

Opposition of thumb at CMC joint

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14
Q

Nerve supply of Opponens Pollicis:

A

Median Nerve

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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

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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
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17
Q

Insertion of Adductor Pollicis

A

Base of proximal phalanx of digit 1

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18
Q

Action of Adductor Pollicis

A

Adduction of thumb at CMC joint

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19
Q

Nerve supply of Adductor Pollicis

A

Ulnar Nerve

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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

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21
Q

Origin of Abductor Digit Minimi

22
Q

Insertion of Abductor Digit Minimi

A

Base of proximal phalanx of digit 5

23
Q

Action of Abductor Digit Minimi

A

Abduction of digit 5 at MCP joint

24
Q

Nerve Supply of Abductor Digit Minimi

A

Ulnar Nerve

25
Q

OIAN of Abductor Digit Minimi

A

Origin: - Pisiform
Insertion: - Base of proximal phalanx of digit 5
Action: - Abduction of digit 5 at MCP joint
Nerve Supply: - Ulnar nerve

26
Q

Origin of Flexor Digiti Minimi

A

Flexor retinaculum & Hook of Hamate

27
Q

Insertion of Flexor Digiti Minimi

A

Base of proximal phalanx of digit 5

28
Q

Action of Flexor Digiti Minimi

A

Flexion of digit 5 at MCP joint

29
Q

Nerve Supply Flexor Digiti Minimi

A

Ulnar Nerve

30
Q

OIAN of Flexor Digiti Minimi

A

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
Q

Origin of Opponens Digiti Minimi

A

Flexor retinaculum & Hook of hamate

32
Q

Insertion of Opponens Digiti Minimi

A

Ulnar border of 5th Metacarpal

33
Q

Action of Opponens Digiti Minimi

A

Opposition of digit 5 at CMC joint

34
Q

Nerve Supply of Opponens Digiti Minimi

A

Ulnar nerve

35
Q

OIAN of Opponens Digiti Minimi

A

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
Q

Origin of Lumbricals

A

Flexor digitorum profundus tendons

37
Q

Insertion of Lumbricals

A

Radial side of extensor expansion of digits 2-5

38
Q

Action of Lumbricals

A
  • Flexion of digits 2-5 at MCP joints
  • Extension of digits 2-5 at PIP and DIP joints
39
Q

Nerve Supply of Lumbricals

A
  • Digits 2-3: median nerve
  • Digits 4-5: ulnar nerve
40
Q

OIAN of Lumbricals

A

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
Q

Origin of Dorsal Interossei

A

Posterior surfaces of adjacent metacarpals

42
Q

Insertion of Dorsal Interossei

A
  • 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
Q

Action of Dorsal Interossei

A
  • 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
Q

Nerve supply of Dorsal Interossei

A

Ulnar Nerve

45
Q

OIAN of Dorsal Interossei

A

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
Q

Origin of Palmar Interossei

A

Palmar surfaces of 2nd, 4th, and 5th metacarpals

47
Q

Insertion of Palmar Interossei

A
  • 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
Q

Action of Palmar Interossei

A
  • 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
Q

Nerve Supply of Palmar Interossei

A

Ulnar nerve

50
Q

OIAN of Palmar Interossei

A

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
Q

What are the eight carpal bones?

A

Scaphoid, Lunate, Triquetrum, Pisiform, Hamate, Capitate, Trapezoid, Trapezium

Anatomy (14 decks)

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