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Anatomy > Wrist and Palmar Hand POINA > Flashcards

Wrist and Palmar Hand POINA Flashcards

(65 cards)

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1
Q

Flexor Digitorum Superficialis Purposeful Action

A

Brush teeth, comb hair, carrying briefcase (functional grasp and pinch)

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2
Q

Flexor Digitorum Superficialis Main Action

A

-Flex middle phalanges at proximal IP joints at medial 4 digits (stronger)
-Flexes proximal phalanges at MCP joints

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3
Q

Flexor Digitorum Superficialis Proximal Attachment

A

-Humero-ulnar head: medial epicondyle (common flexor origin), coronoid process
-Radial head: superior radius

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4
Q

Flexor Digitorum Superficialis Distal Attachment

A

Shafts of middle phalanges of medial four digits

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5
Q

Flexor Digitorum Superficialis Innervation

A

Median (C7-T1)

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6
Q

Flexor Digitorum Profundus Purposeful Action

A

Playing racket sports, drawing and writing (functional grasp and pinch)

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7
Q

Flexor Digitorum Profundus Main Action

A

-Flex medial 4 fingers (MCP, PIP, DIP)
-Assist to flex wrist (radiocarpal joint)

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8
Q

Flexor Digitorum Profundus Proximal Attachment

A

Proximal ulna and interosseous membrane

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9
Q

Flexor Digitorum Profundus Distal Attachment

A

-Medial: base of distal phalanges of digits 4-5
-Lateral: base of distal phalanges of digits 2-3

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10
Q

Flexor Digitorum Profundus Innervation

A

-2-3: Median (AIN, C8-T1)
-4-5: Ulnar (C8-T1)

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11
Q

Flexor Pollicis Longus Purposeful Action

A

Texting, sewing, beadwork (tip pinch)

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12
Q

Flexor Pollicis Longus Main Action

A

Flex phalanges of 1st digit (thumb)

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13
Q

Flexor Pollicis Longus Proximal Attachment

A

Anterior radius and adjacent interosseous membrane

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14
Q

Flexor Pollicis Longus Distal Attachment

A

Base of distal phalanx of thumb

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15
Q

Flexor Pollicis Longus Innervation

A

Median (AIN, C8-T1)

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16
Q

Flexor Pollicis Brevis Purposeful Action

A

Writing, beadwork, putting change in a vending machine (functional grip)

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17
Q

Flexor Pollicis Brevis Main Action

A

-Thumb flexion (CMC, MCP joints)
-Assists with thumb opposition

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18
Q

Flexor Pollicis Brevis Proximal Attachment

A

Flexor retinaculum, tubercles of scaphoid and trapezium

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19
Q

Flexor Pollicis Brevis Distal Attachment

A

Base of proximal phalanx

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20
Q

Flexor Pollicis Brevis Innervation

A

Superficial: Median nerve (recurrent branch, C8-T1)
Deep: Ulnar (deep, C8-T1)

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21
Q

Abductor Pollicis Brevis Purposeful Action

A

Texting, hitting space bar when typing

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22
Q

Flexor Pollicis Brevis Main Action

A

-Abduct thumb (CMC and MCP joint)
-Assist in thumb opposition

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23
Q

Flexor Pollicis Brevis Proximal Attachment

A

Flexor retinaculum and tubercles of scaphoid and trapezium

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24
Q

Flexor Pollicis Brevis Distal Attachment

A

Base of proximal phalanx

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25
Flexor Pollicis Brevis Innervation
Superficial: Median nerve (recurrent, C8-T1) Deep: Ulnar nerve (deep, C8-T1)
26
Opponens Pollicis Purposeful Action
Grasping spherical objects
27
Opponens Pollicis Main Action
Oppose thumb (draws first metacarpal medially to center of palm and rotates it medially)
28
Opponens Pollicis Proximal Attachment
Flexor retinaculum, tubercles of scaphoid and trapezium
29
Opponens Pollicis Distal Attachment
1st MC
30
Opponens Pollicis Innervation
Medial (recurrent branch, C8-T1)
31
Flexor Digiti Minimi Purposeful Action
Playing trumpet, typing
32
Flexor Digiti Minimi Main Action
Flex 5th digit proximal phalanx at MCP joint
33
Flexor Digiti Minimi Proximal Attachment
Hook of hamate, flexor retinaculum
34
Flexor Digiti Minimi Distal Attachment
Base of 5th proximal phalanx
35
Flexor Digiti Minimi Innervation
Ulnar nerve (deep branch, C8-T1)
36
Abductor Digiti Minimi Purposeful Action
Typing, playing piano
37
Abductor Digiti Minimi Main Action
Abduct 5th digit (MCP joint)
38
Abductor Digiti Minimi Proximal Attachment
Pisiform
39
Abductor Digiti Minimi Distal Attachment
Base of 5th proximal phalanx
40
Abductor Digiti Minimi Innervation
Ulnar nerve (deep branch, C8-T1)
41
Opponens Digiti Minimi Purposeful Action
Holding spherical object
42
Opponens Digiti Minimi Main Action
5th digit opposition (CMC joint)
43
Opponens Digiti Minimi Proximal Attachment
Hook of hamate and flexor retinaculum
44
Opponens Digiti Minimi Distal Attachment
Medial border of 5th MC
45
Opponens Digiti Minimi Innervation
Ulnar (deep branch, C8-T1)
46
Adductor Pollicis Purposeful Action
Brushing hair, turning key, swiping card (lateral pinch)
47
Adductor Pollicis Main Action
Thumb adduction towards lateral border of thumb
48
Adductor Pollicis Proximal Attachment
-Oblique: base of 2nd-3rd MC, capitate and adjacent carpals -Transverse: Anterior surface of shaft of 3rd MC
49
Adductor Pollicis Distal Attachment
Base of proximal phalanx of thumb
50
Adductor Pollicis Innervation
Ulnar nerve (deep branch, C8-T1)
51
Lumbricals Purposeful Action
Holding a flat object (MCP flexion with PIP/DIP extension)
52
Lumbricals Main Action
-MCP joint flexion -IP joint extension -All 2-5th digits
53
Lumbricals Proximal Attachment
-1/2: lateral tendons of FDP (unipennate) -3/4: Medial tendons of FDP (bipennate)
54
Lumbricals Distal Attachment
Radial sides of extensor expansions of digits 2-5
55
Lumbricals Innervation
-1/2: Median (digital branch, C8-T1) -3/4 Ulnar (deep branch, C8-T1)
56
Palmar Interossei Purposeful Action
Holding a flat object (sock puppet), playing piano
57
Palmar Interossei Main Action
-Digits 2, 4-5 adduction towards axial line (PADS) -Help lumbricals with MCP joint flexion and IP joint extension (sock puppet)
58
Palmar Interossei Proximal Attachment
-Palmar surface of 2, 4, 5th MC (unipennate)
59
Palmar Interossei Distal Attachment
Bases of proximal phalanges and extensor expansions of digits 2, 4, and 5
60
Palmar Interossei Innervation
Ulnar nerve (deep branch, C8-T1)
61
Dorsal Interossei Purposeful Action
Cutting with scissors, typing
62
Dorsal Interossei Main Action
-Digits 2-4 abduction from axial line -Assist lumbricals with MCP flexion and IP extension
63
Dorsal Interossei Proximal Attachment
Adjacent sides of two MC's (bipennate)
64
Dorsal Interossei Distal Attachment
Bases of proximal phalanges and extensor expansions of digits 2-4
65
Dorsal Interossei Innervation
Ulnar Nerve (deep branch, C8-T1)

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