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MBChB221 Musculoskeletal > Hand > Flashcards

Hand Flashcards

1
Q

1st Carpometacarpal Joint Type

A

Saddle

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2
Q

2nd-5th Carpometacarpal Joint Movements Permitted

A

Immobile

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3
Q

1st Carpometacarpal Movement Permitted

A

Flex/Ext
Abd/Add
Rotation

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4
Q

2-5 Metacarpophalanngeal Joint Type

A

Chondyloid

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5
Q

2-5 Metacarpophalangeal Movements Permitted

A

Flex/Ext
Abd/Add

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6
Q

1-5 Interphalangeal and 1 Metacarpophalangeal Joint Type

A

Hinge

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7
Q

1-5 Interphalangeal and 1 Metacarpophalangeal Joint Movmeent Permitted

A

Flex/ext

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8
Q

Palmar Ligament

A

Forms floor of fibroosseous tunnel (digits

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9
Q

Collateral Ligament

A

Reinforces sides of digital joints

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10
Q

Deep Transverse Ligament

A

Prevents flaying open of digital joints

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11
Q

Flexor Retinaculum Function

A

Prevents Bowstringing

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12
Q

Fibrous Digital Sheaths Function

A

Form roof of fibroosseous tunnel = prevents bowstringing

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13
Q

Synovial Sheath

A

Cylindrical bursa lines digital fibroosseous tunnel

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14
Q

Which digital bursa is not independent

A

5th

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15
Q

Dorsal Interossei Nerve

A

Ulnar (Deep)

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16
Q

Dorsal Interossei Bi/Unipennate?

A

Bi

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17
Q

Dorsal Interossei Insertion

A

DDEH

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18
Q

Dorsal Interossei Movement

A

Adduct digits 2 3 4

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19
Q

Palmar Interossei Nerve

A

Ulnar (deep)

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20
Q

Palmar Interossei Uni/Bipennate

A

Uni

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21
Q

Palamr Interossei Insertion

A

DDEH

22
Q

Palmar Interossei Movementn

A

Adducts digits 1* 2 4 5 (1* really Flexion due to joint)

23
Q

Adductor Pollicis Nerve

A

Ulnar (Deep)

24
Q

Adductor Pollicis Uni/Bipennate

A

Bi

25
Q

What runs between two heads of adductor pollicis

A

Radial Artery

26
Q

Adductor Pollciis Insertion

A

DDEH

27
Q

Adductor Pollicics Movement

A

Adducts thumb (strong so able to overcome the joint that normally prevents this)

28
Q

Lateral Lumbricals Nerve

A

Median

29
Q

Lateral Lumbricals Bi/Unipennate

A

Uni

30
Q

Lumbricals origin

A

FDP Tendon

31
Q

Lumbricals Insertion

A

LATERALLY on the DDEH

32
Q

What do Lumbricals do

A

Link FDP to DDEH = channels intended movement elsewhere, allowing for independent Flexion and extension of the digital joints by cancelling out unwanted action

33
Q

What does DDEH do

A

Links all digitial joints and prevents bowstringing

34
Q

Thenar Muscles Where

A

Base thumb

35
Q

Thenar Muscle Nerve

A

Median

36
Q

Abductor Pollicis Brevis Insertion

A

DDEH

37
Q

Flexor Pollicis Brevis Insertion

A

DDEH

38
Q

Opponens Pollicis Insertion

A

1st Metacarpal

39
Q

Hypothenar Muscles Where

A

Base of 5th digit

40
Q

Hypothenar Muscles Nerve

A

Ulnar Deep

41
Q

Abductor Digiti Minimi Insertion

A

DDEH

42
Q

Flexor Digiti Minimi Insertion

A

DDEH

43
Q

Opponens Digiti Minimi Insertion

A

5th Metacarpal

44
Q

Opposition movement

A

Brings digit into centre of palm via rotation

45
Q

Abductors, flexors and Opponens muscle positions

A

Deep = Opponens
Medial = Flexors
Lateral = Abductors

46
Q

Ulnar under/over flexor retinaculum

A

Over (therefore not in carpal tunnel)

47
Q

Median nerve Under/over flexor retinaculum

A

Under (therefore through carpal tunnel)

48
Q

Cutaneous Hand Nerve Branching

A

Superficial Ulnar / Median -> Common Palamr Digital -> Proper Palmar Digital

49
Q

Cutaneous Hand Median Nerve

A

Lat 3.5 digits:
Ant Base + Tips
Post Tips

50
Q

Cutaneous Hand Ulnar Nerve

A

Medial 1.5 Digits:
Ant and Post Tips and Base

51
Q

Cutaneous Hadn Radial Nerve

A

Post Base Lat 3.5 digits

52
Q

Hand Blood SUpply Branching

A

Radial + Ulnar -> Deep/Sup branches -> Depp/sup Palamr arches

Sup Palmar Arch -> Common Palmar Digital -> Proper
Deep joints common via palmar metacarpal vessels

MBChB221 Musculoskeletal (26 decks)

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