Hand Flashcards

(52 cards)

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

22
Q

Palmar Interossei Movementn

A

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

23
Q

Adductor Pollicis Nerve

24
Q

Adductor Pollicis Uni/Bipennate

25
What runs between two heads of adductor pollicis
Radial Artery
26
Adductor Pollciis Insertion
DDEH
27
Adductor Pollicics Movement
Adducts thumb (strong so able to overcome the joint that normally prevents this)
28
Lateral Lumbricals Nerve
Median
29
Lateral Lumbricals Bi/Unipennate
Uni
30
Lumbricals origin
FDP Tendon
31
Lumbricals Insertion
LATERALLY on the DDEH
32
What do Lumbricals do
Link FDP to DDEH = channels intended movement elsewhere, allowing for independent Flexion and extension of the digital joints by cancelling out unwanted action
33
What does DDEH do
Links all digitial joints and prevents bowstringing
34
Thenar Muscles Where
Base thumb
35
Thenar Muscle Nerve
Median
36
Abductor Pollicis Brevis Insertion
DDEH
37
Flexor Pollicis Brevis Insertion
DDEH
38
Opponens Pollicis Insertion
1st Metacarpal
39
Hypothenar Muscles Where
Base of 5th digit
40
Hypothenar Muscles Nerve
Ulnar Deep
41
Abductor Digiti Minimi Insertion
DDEH
42
Flexor Digiti Minimi Insertion
DDEH
43
Opponens Digiti Minimi Insertion
5th Metacarpal
44
Opposition movement
Brings digit into centre of palm via rotation
45
Abductors, flexors and Opponens muscle positions
Deep = Opponens Medial = Flexors Lateral = Abductors
46
Ulnar under/over flexor retinaculum
Over (therefore not in carpal tunnel)
47
Median nerve Under/over flexor retinaculum
Under (therefore through carpal tunnel)
48
Cutaneous Hand Nerve Branching
Superficial Ulnar / Median -> Common Palamr Digital -> Proper Palmar Digital
49
Cutaneous Hand Median Nerve
Lat 3.5 digits: Ant Base + Tips Post Tips
50
Cutaneous Hand Ulnar Nerve
Medial 1.5 Digits: Ant and Post Tips and Base
51
Cutaneous Hadn Radial Nerve
Post Base Lat 3.5 digits
52
Hand Blood SUpply Branching
Radial + Ulnar -> Deep/Sup branches -> Depp/sup Palamr arches Sup Palmar Arch -> Common Palmar Digital -> Proper Deep joints common via palmar metacarpal vessels