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Forearm Flashcards

1
Q 
Name the carpal bones 
S
L 
T 
P 
T
T 
C
H
A 
scaphoid 
lunate
triquetrum 
pisiform 
trapezium 
trapezoid 
capitate 
hamate

some lovers try positions that they cant handle

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2
Q

What is the order of the bones in the hand?

A

carpal, metacarpal, proximal phalanges, intermediate phalanges, distal phalanges

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3
Q

pronator teres origin

A

medial epicondyle and coronoid process of ulna

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4
Q

pronator teres insertion

A

shaft of radius

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5
Q

pronator teres innervation

A

median nerve

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6
Q

pronator teres function

A

pronation

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7
Q

flexor carpi radialis origin

A

medial epicondyle

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8
Q

flexor carpi radialis insertion

A

base of 2nd and 3rd metacarpal

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9
Q

flexor carpi radialis innervation

A

median nerve

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10
Q

flexor carpi radialis function

A

flex and abduct wrist

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11
Q

palmaris longus origin

A

medial epicondyle

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12
Q

palmaris longus insertion

A

flexor retinaculum

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13
Q

palmaris longus innervation

A

median nerve

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14
Q

palmaris longus function

A

flex wrist

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15
Q

flexor carpi ulnaris origin

A

medial epicondyle

long origin from ulna

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16
Q

flexor carpi ulnaris insertion

A

pisiform

base of 5th metacarpal

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17
Q

flexor carpi ulnaris innervation

A

ulnar nerve

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18
Q

flexor carpi ulnaris function

A

flex and adduct the wrist

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19
Q

flexor digitorum superficialis origin

A

medial epicondyle and radius

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20
Q

flexor digitorum superficialis insertion

A

middle phalanges of 4 fingers

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21
Q

flexor digitorum superficialis innervation

A

median nerve

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22
Q

flexor digitorum superficialis function

A

flex fingers at proximal interphalangeal joints

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23
Q

flexor digitorum profundus origin

A

ulna and associated interosseous membrane

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24
Q

flexor digitorum profundus insertion

A

distal phalanges of 4 fingers

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25
flexor digitorum profundus innervation
medial half = ulnar nerve | lateral half = median nerve
26
flexor digitorum profundus function
flex distal interphalangeal joints and MCP joints
27
flexor pollicis longus origin
anterior radius and associated interosseous membrane
28
flexor pollicis longus insertion
base of distal phalanx of thumb
29
flexor pollicis longus innervation
anterior interosseous branch of median nerve
30
flexor pollicis longus function
flex IP and MCP joints of thumb
31
pronator quadratus origin
anterior surface of ulna
32
pronator quadratus insertion
anterior surface of radius
33
pronator quadratus innervation
anterior interosseous branch of median nerve
34
pronator quadratus function
pronates forearm
35
extensor carpi radialis longus and brevis origins
longus: supracondylar ridge Brevis: lateral epicondyle
36
extensor carpi radialis insertion
2nd and 3rd metacarpal bones
37
extensor carpi radialis innervation
radial nerve
38
extensor carpi radialis function
extends and abducts wrist
39
extensor digitorum origin
lateral epicondyle
40
extensor digitorum insertion
extensor hoods of all 4 fingers
41
extensor digitorum innervation
radial nerve - deep branch
42
extensor digitorum function
extend MCP and IP joint of fingers
43
extensor digiti minimi origin
lateral epicondyle
44
extensor digitin minimi insertion
extensor hood of little finger
45
extensor digiti minimi innervation
radial nerve
46
extensor digiti minimi function
extend little finger
47
extensor carpi ulnaris origin
lateral epicondyle
48
extensor carpi ulnaris insertion
base of metacarpal V
49
extensor carpi ulnaris innervation
radial nerve
50
extensor carpi ulnaris function
extend and adduct wrist
51
supinator origin
1 head: lateral epicondyle | Other head: posterior ulna
52
supinator insertion
posterior radius
53
supinator innervation
radial nerve
54
supinator function
supinates forearm
55
extensor pollicis brevis origin
posterior radius and interosseous membrane
56
extensor pollicis brevis insertion
proximal phalanx of thumb
57
extensor pollicis brevis innervation
posterior interosseous branch of radial nerve
58
extensor pollicis brevis function
extend thumb at MCP joint
59
extensor pollicis longus origin
posterior ulna and interosseous membrane
60
extensor pollicis longus insertion
distal phalanx of thumb
61
extensor pollicis longus innervation
posterior interosseous branch of radial nerve
62
extensor pollicis longus function
extend all joints of the thumb
63
extensor indices origin
posterior ulna and interosseous membrane
64
extensor indices insertion
extensor hood of index finger
65
extensor indices innervation
posterior interosseous branch of radial nerve
66
extensor indices function
extends whole finger
67
abductor pollicis longus origin
interosseous membrane, posterior ulna and radius
68
abductor pollicis longus insertion
base of metacarpal 1 on lateral side
69
abductor pollicis longus innervation
posterior interosseous branch of radial nerve
70
abductor pollicis longus function
abduct the thumb
71
Which muscle abducts the wrist?
flexor carpi radialis
72
which muscle adducts the wrist?
flexor carpi ulnaris
73
What is a colles fracture?
distal end of the radius most common in middle age and elderly FOOSH ulnar styloid process usually also avulsed
74
What causes a scaphoid fracture?
FOOSH when hand abducted
75
What symptom would you expect with a scaphoid fracture?
tenderness in anatomical snuffbox
76
What are the borders of the anatomical snuffbox?
extensor pollicis brevis = lateral border | extensor pollicis longus = medial border
77
What is a serious complication of a scaphoid fracture?
avascular necrosis of proximal scaphoid
78
What are the rheumatoid arthritis hand deformities?
Boutonnierre deformity ulnar deviation swan neck deformity

Movement (8 decks)

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