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Musculoskeletal > Posterior Forearm and Hand > Flashcards

Posterior Forearm and Hand Flashcards

(38 cards)

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1
Q

Brachioradialis Innervation

A

Radial Nerve C5,6,7

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2
Q

Extensor Carpi Radialis Longus Innervation

A

Radial Nerve C6,7

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3
Q

Extensor Carpi Radialis Brevis Innervation

A

Deep Branch of Radial Nerve C7,8

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4
Q

Extensor Digitorum Innervation

A

Posterior Interosseous Nerve (from Deep branch of Radial nerve) C7,C8

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5
Q

Extensor Digiti Minimi Innervation

A

Posterior Interosseous Nerve (From Deep Branch of Radial Nerve) C7,8

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6
Q

Extensor Carpi Ulnaris Innervation

A

Posterior Interosseous Nerve (From deep branch of Radial Nerve) C7,8

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7
Q

Supinator Innervation

A

Deep Branch of Radial Nerve (C7,8)

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8
Q

Abductor Pollicis Longus Innervation

A

Posterior Interosseous Nerve (From Deep Branch of Radial Nerve) C7,8

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9
Q

Extensor Pollicis Longus Innervation

A

Posterior Interosseous Nerve (From Deep Branch of Radial Nerve) C7,8

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10
Q

Extensor Pollicis Brevis Innervation

A

Posterior Interosseous Nerve (From Deep Branch of Radial Nerve) C7,8

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11
Q

Extensor Indices Innervation

A

Posterior Interosseous Nerve (From Deep Branch of Radial Nerve) C7,8

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12
Q

Anatomical Snuff Box Borders and Contents

A
  1. Lateral - Extensor Pollicis Brevis
  2. Medial - Extensor Pollicis Longus
  3. Floor - Scaphoid Bone
  4. Roof - Superficial Radial Nerve Branches, Skin and superficial Fascia
  5. Passes Through - Radial Artery
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13
Q

Simultaneous Flexion of MP with Extension of IP joint can happen because of _______

A

the ‘hood’

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14
Q

Strong MP & IP joint flexion is due to what muscle?

A

Flexor Digitorum Profundus

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15
Q

Name the Thenar Muscles

A
  1. Opponens Pollicis
    1. C8,T1
  2. Abductor Pollicis Brevis
    1. C8,T1
  3. Flexor Pollicis Brevis
    1. C8,T1
  4. Adductor Pollicis
    1. C8,T1
    2. Not part of Thenar Eminence
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16
Q

Opponens Pollicis Innervation

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A

Reccurent branch of median nerve C8,T1

17
Q

Opponens Pollicis Blood Supply

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A

Radial Artery

18
Q

ABductor Pollicis Brevis Innervation

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A

Recurrent branch of median nerve C8,T1

19
Q

ABductor Pollicis brevis blood supply

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A

Radial Artery

20
Q

Flexor Pollicis Brevis Innervation

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A
  1. Superficial Head - Recurrent branch of median nerve C8,T1
  2. Deep Head - Deep branch of ulnar nerve C8,T1
21
Q

Flexor Pollicis Brevis Blood Supply

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A

Radial Artery

22
Q

ADductor Pollicis Innervation

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A

Deep Branch of ulnar nerve C8,T1

23
Q

ADductor Pollicis Blood Supply

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A

Radial Artery

24
Q

Hypothenar muscles

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A
  1. ABductor Digiti minimi
    1. C8,T1
  2. Flexor Digiti minimi brevis
    1. C8,T1
  3. Opponens digiti minimi
    1. C8,T1
25
ABductor Digiti minimi innervation
Deep branch of ulnar nerve C8,T1
26
ABductor Digiti minimi blood supply
Ulnar Artery
27
Flexor Digiti Minimi Brevis Innervation
Deep Branch of Ulnar Nerve C8,T1
28
Flexor Digiti Minimi Brevis Blood Supply
Ulnar Artery
29
Opponens Digiti minimi Innervation
Deep branch of ulnar nerve C8,T1
30
Opponens Digiti minimi blood supply
Ulnar Artery
31
1st and 2nd Lumbricals Innervation and Blood Supply
1. Median Nerve C8,T1 2. Radialis Inidicis & Superficial Palmar arch
32
3rd and 4th Lumbricals 1. Innervation 2. Blood Supply
1. Deep branch of ulnar nerve C8,T1 2. Superficial Palmar Arch & Dorsal Carpal Arch
33
What do the lumbricals do?
Flex MP joints and extend IP joints via extensor hood
34
Palmar Interossei are located on which digits?
2,4,5
35
Palmar Interossei 1. Action 2. Innervation
1. PAD- **_P**_amar Interossei _**AD_**duct 2. Deep branch of ulnar nerve C8,T1
36
Dorsal Interossei 1. Action 2. Innervation
1. **_DAB_- _D**_orsal Interossei _**AB_**duct 2. Deep branch of ulnar nerve C8,T1
37
Dorsal Interossei are located on which digits?
2-4
38

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