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MBChB221 Musculoskeletal > Forearm (Flexor) + Wrist > Flashcards

Forearm (Flexor) + Wrist Flashcards

1
Q

Wrist joint proper between ___ and ___

A

Radius and Carpals

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2
Q

Inferior Radio-Ulna Joint two parts

A
  1. Head of Ulna into Ulnar Notch of Radius
  2. Styloid Process (ulna) onto fibrous articular disc (rad)
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3
Q

Fibrous Articular Disc function

A

Seperates ulna from wrist joint proper

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4
Q

Interosseous membrane function

A
  1. Holds Ulna and Radius together
  2. Muscle attachment
  3. Force transmission
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5
Q

4 Things holding radius and ulna together

A
  1. Sup rad-ulna joint
  2. Inf rad-ulna joint
  3. Annular Ligament
  4. Interosseous membrane
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6
Q

3 Joints of the wrist joint proper

A
  1. Radio-carpal
  2. Midcarpal
  3. Carpometacarpal
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7
Q

Carpal Bones

A

Lat -> Med
1. Scaphoid 2. Lunate 3. Triquetral 4. Pisiform
5. Trapezium 6. Trapezoid 7. Capitate 8. Hamate

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8
Q

Most damaged carpal bone

A

Scaphoid

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9
Q

Carpal Tunnel Floor

A

Carpals

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10
Q

Carpal Tunnel Roof

A

Flexor Retinaculum

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11
Q

What passes through the carpal tunnel

A
  1. Median Nerve
  2. Tendons of Flexor Pollisis Longus, Flexor Digitorum Superficialis, Flexor Digitorum Profundus
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12
Q

Superifical Flex/Pro Forearm Muscles

A

Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Flexor Carpi Ulnaris

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13
Q

Intermediate Flex/Pro Forearm Muscle

A

Flexor Digitorum Superficialis

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14
Q

Deep Flex/Pro Forearm Muscles

A

Flexor Pollicis Longus
Pronator Quadratus
Flexor Digitorum Profundus

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15
Q

Flex/Pro (almost all) forearm muscle Nerve

A

Median

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16
Q

Flexor Carpi Ulnaris Nerve

A

Ulnar

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17
Q

Which muscle Flex/Pro Forearm has both Median and Ulnar nerves

A

Flexor Digitorum Profundus

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18
Q

Pronator Teres Origin

A

Suprachondyle Ridge

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19
Q

Pronator Teres Insertion

A

Radius

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20
Q

Pronator Teres Movement

A

Pronates Proximal Forearm

21
Q

FCR Origin

A

Common Flexor Tendon

22
Q

FCR Inserion

A

2nd Metacarpal

23
Q

FCR Movement

A

Flexes Wrist

24
Q

Palmaris Longus Origin

A

Common Flexor Tendon

25
Q

Palmaris Longus Insertion

A

Palmar Aponeuroses

26
Q

Palmaris Longus Movement

A

Flexes Wrist

27
Q

FCU Origin

A

Common Flexor Tendon

28
Q

FCU Insertion

29
Q

FCU Movmeent

A

Flexes Wrist

30
Q

FDS Origin

A
  1. Humero-ulnar head = Common Flexor Tendon
  2. Radial head = Radius
31
Q

FDS Insertion

A

4x Middle Phalanages

32
Q

FDS Movement

A

Flexes Wrist -> Middle Phalange

33
Q

FPL Origin

34
Q

FPL Insertion

A

1st Distal Phalanx

35
Q

FPL Movement

A

Flexes Wrist -> 1st Distal Phalanx

36
Q

Pronator Quadratus Origin

37
Q

Pronator Quadratus Insertion

38
Q

Pronator Quadratus Movement

A

Pronation of Distal Forearm

39
Q

FDP Origin

40
Q

FDP Insertion

A

4x Distal Phalanx

41
Q

FDP Movement

A

Flexes Wrist -> 2nd-5th Distal Phalanges

42
Q

Common Flexor Tendon origin

A

Medial Epichondyle

43
Q

Anterior Interosseous Nerve is a branch of ___

A

Median Nerve (Branches at Pronator teres)

44
Q

Anterior Interosseous Nerve innervates the

A

Deep muscles of the Flex/Pro forearm

45
Q

Median Nerve branches into ____ at the wrist

A

Palmar CUtaneous, Proper Palmar Digital, Recurrent Branches

46
Q

Ulnar Nerve branches into _____ at the wrist

A

Palmar Cutaneous, Dorsal Cutaneous, Proper Palmar Digital

47
Q

Which is bigger, ulnar or radial vessel?

48
Q

What is the boundary between the flexor and extensor compartments of the forearm

A

Radial Artery/Vein

49
Q

Radial and Ulnar blood vessels link called

A

Common Interosseous

MBChB221 Musculoskeletal (26 decks)

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