Forearm, wrist and hand I Flashcards
(101 cards)
1
Q
list superficial forearm muscles: anterior com- flexors
A
Pass Fail Pass Fail
- pronator teres
- flexor carpi radialis
- palmaris longus (PL)
- flexor carpi ulnaris (FCU)
2
Q
list intermediate forearm muscles: anterior com- flexors
A
flexor digitorum superficialis (FDS)
3
Q
list deep forearm muscles: anterior com- flexors
A
- flexor digitorum profundus (FDP)
- flexor pollicis longus (FPL)
- pronator quadratus
4
Q
flexor carpi ulnaris: location
A
anterior forearm, superficial
5
Q
flexor carpi ulnaris: origin
A
- ulnar head: olecranon and post border of ulna
- humeral head: medial epicondyle
6
Q
flexor carpi ulnaris: insertion
A
- pisiform,
- hammate
- 5th metacarpal
7
Q
flexor carpi ulnaris: innervation
A
ulnar nerve
8
Q
flexor carpi ulnaris: action
A
flex, adduct the hand (at wrist)
9
Q
palmaris longus: location
A
anterior forearm, superficial
10
Q
palmaris longus: origin
A
medial epicondyle
11
Q
palmaris longus: insertion
A
flexor retinculum, palmar aponeurosis
12
Q
palmaris longus: innervation
A
median nerve
13
Q
palmaris longus: action
A
flex hand (at wrist) - tenses palmar aponeurosis
14
Q
flexor carpi radialis: location
A
anterior forearm, superficial
15
Q
flexor carpi radialis: origin
A
medial epicondyle
16
Q
flexor carpi radialis: insertion
A
base 2nd metacarpal
17
Q
flexor carpi radialis: innervation
A
median nerve
18
Q
flexor carpi radialis: action
A
flex, abduct the hand (at the wrist)
19
Q
pronator teres: location
A
anterior forearm, superficial
20
Q
pronator teres: origin
A
- ulnar head: coronoid process of ulna
- humeral head: medial epicondyle, supracondylar ridge
21
Q
pronator teres: insertion
A
lateral surface of radius (mid shaft)
22
Q
pronator teres: innervation
A
median nerve
23
Q
pronator teres: action
A
- pronates forearm (radioulnar joint)
- flex elbow
24
Q
how to visualise the superficial anterior compartment muscles?
A
four fingers on forearm, PFPF
- index: pronator teres
- middle: flexor carpi radialis
- ring: palmaris longus
- pinky: flexor carpi ulnaris
25
flexor digitorum superficialis: location
anterior forearm, intermediate
26
flexor digitorum superficialis: origin
- humero-ulnar head: medial epicondyle, margin of coronoid process
- radial head: oblique line (anterior) border of radius
27
flexor digitorum superficialis: insertion
middle phalanges of:
- index
- middle
- ring
- pinky
28
flexor digitorum superficialis: innervation
median nerve
29
flexor digitorum superficialis: action
flexes proximal interphalangeal,
| metacarpophalangeal joints
30
flexor digitorum profundus: location
anterior forearm, deep
31
flexor digitorum profundus: origin
anterior and medial surfaces of ulna and interosseous membrane
32
flexor digitorum profundus: insertion
base of distal phalanges:
- index
- middle
- ring
- pinky
33
flexor digitorum profundus: innervation
lateral half: median n (ant interosseous)
medial half: ulnar nerve
34
flexor digitorum profundus: action
flexes metacarpophalangeal, distal interphalangeal joints
| - fingers 2-5
35
flexor pollicis longus: location
anterior forearm, deep
36
flexor pollicis longus: origin
anterior surface of radius
| - interosseous membrane
37
flexor pollicis longus: insertion
base of distal phalanx of thumb
38
flexor pollicis longus: innervation
median n (anterior interosseous)
39
flexor pollicis longus: action
flexes metacarpophalangeal, interphalangeal joints of thumb
40
pronator quadratus: location
anterior forearm, deep
41
pronator quadratus: origin
distal anterior surface of ulna
42
pronator quadratus: insertion
distal anterior surface of radius
43
pronator quadratus: innervation
median n (anterior interosseous)
44
pronator quadratus: action
pronates forearm
45
list superficial forearm muscles, posterior com- extensor
- brachioradialis
- extensor carpi radialis longus (ECRL)
- extensor carpi radialis brevis (ECRB)
- extensor carpi ulnaris (ECU)
- extensor digitorum (ED)
- extensor digiti minimi (EDM)
- anconeus
46
list deep forearm muscles: post com- extensors
- supinator
- abductor pollicis longus (APL)
- extensor pollicis brevis (EPB)
- extensor pollicis longus (EPL)
- extensor indicis (EI)
47
brachioradialis: location
posterior forearm, superificial
48
brachioradialis: origin
- lateral supracondylar ridge of humerus,
| - intermuscular septum
49
brachioradialis: insertion
lateral distal end of radius
50
brachioradialis: innervation
radial nerve
51
brachioradialis: action
flexes elbow (when forearm midpronation)
52
extensor carpi radialis longus: location
posterior forearm, superficial
53
extensor carpi radialis longus: origin
- lateral supracondylar ridge (humerus)
| - intermuscular septum
54
extensor carpi radialis longus: insertion
base metacarpal 2
55
extensor carpi radialis longus: innervation
radial n
56
extensor carpi radialis longus: action
extends, abduct the wrist
57
extensor carpi radialis brevis: location
posterior forearm, superficial
58
extensor carpi radialis brevis: origin
- lateral epicondyle
| - intermuscular septum
59
extensor carpi radialis brevis: insertion
base metacarpals 2, 3
60
extensor carpi radialis brevis: innervation
radial n
61
extensor carpi radialis brevis: action
extends, abduct the wrist
62
extensor digitorum: location
posterior forearm, superficial
63
extensor digitorum: origin
lateral epicondyle, intermuscular septum
64
extensor digitorum: insertion
base of middle, distal phalanges of medial 4 fingers
65
extensor digitorum: innervation
posterior interosseous n (from d.b. of radial)
66
extensor digitorum: action
extends wrist, and medial 4 fingers
67
extensor digiti minimi: location
posterior forearm, superficial
68
extensor digiti minimi: origin
lateral epicondyle, intermuscular septum
69
extensor digiti minimi: insertion
distal end of pinky
70
extensor digiti minimi: innervation
posterior interosseous n (from radial n)
71
extensor digiti minimi: action
extends pinky
72
extensor carpi ulnaris: location
posterior forearm, superficial
73
extensor carpi ulnaris: origin
lateral epicondyle, post surface of ulna
74
extensor carpi ulnaris: insertion
base of metacarpal 5
75
extensor carpi ulnaris: innervation
posterior interosseous n (from radial)
76
extensor carpi ulnaris: action
extends and adducts the wrist
77
supinator: location
posterior forearm, deep
78
supinator: origin
superficial head: - lateral epicondyle,
- radial collateral lig
- annular lig
deep head:
- supinator crest of ulna
79
supinator: insertion
lateral surface of radius
| - superior to oblique line
80
supinator: innervation
posterior interosseous n
81
supinator: action
supinates forearm at radioulnar joint
82
abductor pollicis longus: location
posterior forearm, deep
83
abductor pollicis longus: origin
post surface of ulna, radius, interosseous membrane
84
abductor pollicis longus: insertion
base metacarpal 1
85
abductor pollicis longus: innervation
posterior interosseous n
86
abductor pollicis longus: action
- abduct CMC joint of thumb
| - extends thumb
87
extensor pollicis brevis: location
posterior forearm, deep
88
extensor pollicis brevis: origin
post surface of radius, interosseous membrane
89
extensor pollicis brevis: insertion
base of proximal phalanx of thumb
90
extensor pollicis brevis: innervation
post interosseous n
91
extensor pollicis brevis: action
extends MCP and CMC joint of the thumb
92
extensor pollicis longus: location
posterior forearm, deep
93
extensor pollicis longus: origin
posterior surface of ulna, interosseous membrane
94
extensor pollicis longus: insertion
base of distal phalanx of thumb
95
extensor pollicis longus: innervation
posterior interosseous n
96
extensor pollicis longus: action
extend all joints of the thumb
97
extensor indicis: location
posterior forearm, deep
98
extensor indicis: origin
posterior surface of ulna, interosseous membrane
99
extensor indicis: insertion
base of proximal phalanx of index finger
100
extensor indicis: innervation
posterior interosseous n
101
extensor indicis: action
extends index finger
