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PCOM Anatomy > Wrist and Hand > Flashcards

Wrist and Hand Flashcards

1
Q

Abductor Digiti Minimi Origin

A

Pisiform and Tendon of Flexor Carpi Ulnaris

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2
Q

Abductor Digiti Minimi Insertion

A

Medial Base of Proximal Phalanx of 5th Finger

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3
Q

Abductor Digiti Minimi Action

A
  1. Abducts the 5th Digit2. Assists to Flex the 5th Digit
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4
Q

Abductor Digiti Minimi Nerve

A

Ulnar

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5
Q

Flexor Digiti Minimi Brevis Origin

A

Hamulus of Hamate and Transverse Carpal Ligament

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6
Q

Flexor Digiti Minimi Brevis Insertion

A

Ulnar Side of Base of Proximal Phalanx of 5th Finger

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7
Q

Flexor Digiti Minimi Brevis Action

A

Flexes 5th Digit

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8
Q

Flexor Digiti Minimi Brevis Nerve

A

Ulnar

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9
Q

Opponens Digiti Minimi Origin

A

Hamulus of Hamate and Flexor Retinaculum

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10
Q

Opponens Digiti Minimi Insertion

A

Ulnar Side of 5th Metacarpal

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11
Q

Opponens Digiti Minimi Action

A
  1. Opposes 5th Digit with the Thumb2. Assists to “Cup the Palm”
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12
Q

Opponens Digiti Minimi Nerve

A

Ulnar

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13
Q

Palmar Interossei Origin

A

1st: Ulnar Side of Palmar Surface of Base of 1st Metacarpal2nd: Ulnar Side of 2nd Metacarpal Bone3rd: Radial Side of 4th Metacarpal4th: Radial Side of 5th Metacarpal

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14
Q

Palmar Interossei Insertion

A

1st: Sesamoid Bone on Ulnar Side of Base of Proximal Phalanx of Thumb2nd: Ulnar Side of Proximal Phalanx of 2nd Finger3rd: Radial Side of Proximal Phalanx of 4th Finger4th: Radial Side of Proximal Phalanx of 5th Finger

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15
Q

Palmar Interossei Action

A
  1. Adducts the Fingers2. Flexes Fingers at the McP while the IP Joints are Extended
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16
Q

Palmar Interossei Nerve

A

Ulnar

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17
Q

Dorsal Interossei Origin

A

By Two Heads from Adjacent Sides of Metacarpal Bones

18
Q

Dorsal Interossei Insertion

A

1st: Radial Side of Proximal Phalanx of 2nd Finger2nd: Radial Side of Proximal Phalanx of 3rd Finger3rd: Ulnar Side of Proximal Phalanx of 3rd Finger4th: Ulnar Side of Proximal Phalanx of 4th Finger

19
Q

Dorsal Interossei Action

A
  1. Abducts the Fingers2. Flexes Fingers at the McP while IP Joints are Extended
20
Q

Dorsal Interossei Nerve

A

Ulnar

21
Q

Lumbricals Origin

A

Tendons of Flexor Digitorum Profundus (2-5)

22
Q

Lumbricals Insertion

A

Tendons of Extensor Digitorum Communis (extensor expansion)

23
Q

Lumbricals Action

A
  1. Flexes the Knuckles (McP joints)2. Extends IP joints
24
Q

Lumbricals Nerve

A

1 & 2: Median3 & 4: Ulnar

25
Q

Abductor Pollicis Brevis Origin

A

Trapezium, Scaphoid Tuberosity and Transcerse Carpal Ligament

26
Q

Abductor Pollicis Brevis Insertion

A

Radial Side of Proximal Phalanx of Thumb

27
Q

Abductor Pollicis Brevis Action

A
  1. Abducts Thumb2. Participates to Flex Thumb3. If attached to Extensor Pollicis Longus, it might assist to Extend the Thumb
28
Q

Abductor Pollicis Brevis Nerve

A

Median

29
Q

Flexor Pollicis Brevis Origin

A

Trapezium and Transverse Carpal Ligament

30
Q

Flexor Pollicis Brevis Insertion

A

Radial Side of Proximal Phalanx of Thumb

31
Q

Flexor Pollicis Brevis Action

A

Flexes the Thumb

32
Q

Flexor Pollicis Brevis Nerve

A

Median

33
Q

Opponens Pollicis Origin

A

Trapezium and Transverse Carpal Ligament

34
Q

Opponens Pollicis Insertion

A

Whole Length of the Lateral Border of the 1st Metacarpal

35
Q

Opponens Pollicis Action

A

Opposes the Thumb to the Fingers

36
Q

Opponens Pollicis Nerve

A

Median

37
Q

Adductor Pollicis Origin

A
  1. Transverse Head: 3rd Metacarpal 2. Oblique Head: Capitate, Bases of 2nd and 3rd Metacarpals, Trapezium and Trapezoid
38
Q

Adductor Pollicis Insertion

A

Ulnar Side of Proximal Phalanx of Thumb

39
Q

Adductor Pollicis Action

A

Adducts the Thumb

40
Q

Adductor Pollicis Nerve

A

Ulnar

PCOM Anatomy (6 decks)

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