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Musculoskeletal > Posterior Forearm and Hand > Flashcards

Posterior Forearm and Hand Flashcards

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

A

Reccurent branch of median nerve C8,T1

17
Q

Opponens Pollicis Blood Supply

A

Radial Artery

18
Q

ABductor Pollicis Brevis Innervation

A

Recurrent branch of median nerve C8,T1

19
Q

ABductor Pollicis brevis blood supply

A

Radial Artery

20
Q

Flexor Pollicis Brevis Innervation

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

A

Radial Artery

22
Q

ADductor Pollicis Innervation

A

Deep Branch of ulnar nerve C8,T1

23
Q

ADductor Pollicis Blood Supply

A

Radial Artery

24
Q

Hypothenar muscles

A
  1. ABductor Digiti minimi
    1. C8,T1
  2. Flexor Digiti minimi brevis
    1. C8,T1
  3. Opponens digiti minimi
    1. C8,T1
25
Q

ABductor Digiti minimi innervation

A

Deep branch of ulnar nerve C8,T1

26
Q

ABductor Digiti minimi blood supply

A

Ulnar Artery

27
Q

Flexor Digiti Minimi Brevis Innervation

A

Deep Branch of Ulnar Nerve C8,T1

28
Q

Flexor Digiti Minimi Brevis Blood Supply

A

Ulnar Artery

29
Q

Opponens Digiti minimi Innervation

A

Deep branch of ulnar nerve C8,T1

30
Q

Opponens Digiti minimi blood supply

A

Ulnar Artery

31
Q

1st and 2nd Lumbricals Innervation and Blood Supply

A
  1. Median Nerve C8,T1
  2. Radialis Inidicis & Superficial Palmar arch
32
Q

3rd and 4th Lumbricals

  1. Innervation
  2. Blood Supply
A
  1. Deep branch of ulnar nerve C8,T1
  2. Superficial Palmar Arch & Dorsal Carpal Arch
33
Q

What do the lumbricals do?

A

Flex MP joints and extend IP joints via extensor hood

34
Q

Palmar Interossei are located on which digits?

A

2,4,5

35
Q

Palmar Interossei

  1. Action
  2. Innervation
A
  1. PAD- _P_amar Interossei _AD_duct
  2. Deep branch of ulnar nerve C8,T1
36
Q

Dorsal Interossei

  1. Action
  2. Innervation
A
  1. DAB- _D_orsal Interossei _AB_duct
  2. Deep branch of ulnar nerve C8,T1
37
Q

Dorsal Interossei are located on which digits?

A

2-4

38
Q
A

Musculoskeletal (11 decks)

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