Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

ANATOMY > FOREARM AND HAND MOINA > Flashcards

FOREARM AND HAND MOINA Flashcards

(135 cards)

Start Studying
1
Q

EXTENSOR CARPI RADIALIS LONGUS AND BREVIS

A

O: Common extensor origin lateral epicondyle of the humerus
I: Base of 2nd metacarpal (ECRL),
Base of 3rd metacarpals (ECRB)
A: Wrist extension and Radial Deviation
N: Radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

ORIGIN OF THE EXTENSOR CARPI RADIALIS LONGUS AND BREVIS

A

Common extensor origin lateral
epicondyle of the
humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

INSERTION OF EXTENSOR CARPI RADIALIS LONGUS AND BREVIS

A

Base of 2nd metacarpal (ECRL),
Base of 3rd metacarpals (ECRB)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

ACTION OF EXTENSOR CARPI RADIALIS LONGUS AND BREVIS

A

Wrist extension and Radial Deviation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

INNERVATION OF EXTENSOR CARPI RADIALIS LONGUS AND BREVIS

A

Radial nn.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

EXTENSOR DIGITORUM

A

O: Common extensor origin, lateral epicondyle of the humerus
I: By four tendons, each to the base of the extensor mechanism and to the dorsal base of the proximal phalanx
of the fingers
A: Extends the MCP joints, extends the IP joints of the second through fifth digits
N: Radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

ORIGIN OF EXTENSOR DIGITORUM

A

Common extensor origin, lateral
epicondyle of the
humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

INSERTION OF EXTENSOR DIGITORUM

A

By four tendons, each to the base of the extensor mechanism and to the dorsal base of the proximal phalanx
of the fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

ACTION OF EXTENSOR DIGITORUM

A

Extends the MCP joints, extends the IP joints of the second through fifth digits

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

INNERVATION OF EXTENSOR DIGITORUM

A

radial nn.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

EXTENSOR DIGIT MINIMI

A

O: Ulnar side of the belly of the
extensor digitorum
I: Tendon usually divides, joining the
ulnar side of the tendon of the extensor digitorum
A: Extends the MCP joints, extends the
IP joints of the little finger
N: Radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

ORIGIN OF EXTENSOR DIGITI MINIMI

A

Ulnar side of the belly of the extensor digitorum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

INSERTION OF EXTENSOR DIGITI MINIMI

A

Tendon usually divides, joining the ulnar side of the tendon of the extensor digitorum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

ACTION OF EXTENSOR DIGITI MINIMI

A

Extends the MCP joints, extends the IP joints of the little finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

INNERVATION OF EXTENSOR DIGITI MINIMI

A

Radial nn.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

EXTENSOR CARPI ULNARIS

A

O: Common extensor origin lateral
epicondyle of the
humerus
I: Base of 5th metacarpal
A: Extension of wrist and ulnar deviation
N: Radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

ORIGIN OF EXTENSOR CARPI ULNARIS

A

Common extensor originlateral
epicondyle of the
humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

INSERTION OF EXTENSOR CARPI ULNARIS

A

Base of 5th metacarpal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

ACTION OF EXTENSOR CARPI ULNARIS

A

Extension of wrist and ulnar deviation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

INNERVATION OF EXTENSOR CARPI ULNARIS

A

Radial nn.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

ABDUCTOR POLLICIS LONGUS

A

O: Posterior surface of the middle part of the radius and ulna, and adjacent interosseous membrane
I: Base of 1st metacarpal
A: 1st digit ABD and extension at CMC
joint
N: Radial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

ORIGIN OF ABDUCTOR POLLICIS LONGUS

A

posterior surface of the middle part of the radius and ulna, and adjacent interosseous membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

INSERTION OF ABDUCTOR POLLICIS LONGUS

A

BASE OF 1ST METACARPAL

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

ACTION OF ABDUCTOR POLLICIS LONGUS

A

1ST DIGIT ABD AND EXT AT CMC JOINT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
INNERVATION ABDUCTOR POLLICIS LONGUS
RADIAL NN.
26
EXTENSOR POLLICIS BREVIS
O: Posterior surface of the middle to distal parts of the radius and adjacent interosseous membrane I: Proximal phalanx of thumb A: 1st digit extension at MCP, IP joints N: Radial
27
ORIGIN OF EXTENSOR POLLICIS BREVIS
Posterior surface of the middle to distal parts of the radius and adjacent interosseous membrane
28
INSERTION OF EXTENSOR POLLICIS BREVIS
Proximal phalanx of thumb
29
ACTION OF EXTENSOR POLLICIS BREVIS
1st digit extension at MCP, IP joints
30
INNERVATION OF EXTENSOR POLLICIS BREVIS
RADIAL NN
31
EXTENSOR POLLICIS LONGUS
O: Posterior surface of the middle part of the ulna and adjacent interosseous membrane I: Distal phalanx of thumb A: 1st digit extension at MCP, IP joints N: Radial
32
ORIGIN OF EXTENSOR POLLICIS LONGUS
Posterior surface of the middle part of the ulna and adjacent interosseous membrane
33
INSERTION OF EXTENSOR POLLICIS LONGUS
Distal phalanx of thumb
34
ACTION OF EXTENSOR POLLICIS LONGUS
1st digit extension at MCP, IP joints
35
INNERVATION OF EXTENSOR POLLICIS LONGUS
RADIAL NN.
36
EXTENSOR INDICIS
O: Posterior surface of the middle to distal part of the ulna and adjacent interosseous membrane I: Tendon blends with the ulnar side of the index tendon of the extensor digitorum A: 2nd digit extension and wrist extension N: Radial
37
ORIGN OF EXTENSOR INDICIS
Posterior surface of the middle to distal part of the ulna and adjacent interosseous membrane
38
INSERTION OF EXTENSOR INDICIS
TENDON BLENDS WITH THE ULNAR SIDE OF THE INDEX TENDOSN OF THE XTENSOR DIGITORUM
39
ACTION OF EXTENSOR INDICIS
2ND DIGIT EXTENSION AND WRIST EXTENSION
40
INNERVATION OF EXTENSOR INDICIS
RADIAL NN.
41
SUPINATOR
O: LATERAL EPICONDYLE OF THE HUMERUS AND SUPINATOR CREST OF THE ULNA I: LATERAL SURFACE OF THE PROXIMAL RADIUS A: SUPINATION OF FOREARM N: RADIAL NN.
42
ORIGIN OF THE SUPINATOR
lateral epicondyle of thehumerus and supinator crest of the ulna
43
INSERTION OF THE SUPINATOR
lateral surface of the proximal radius
44
ACTION OF THE SUPINATOR
supination of FA
45
INNERVATION OF THE SUPINATOR
radial nn.
46
PRONATOR TERES
Humeral head: medial epicondyle Ulnar head: medial to the tuberosity of ulna I: Lateral surface of the middle radius A: Pronation of forearm, elbow flexion N: Median
47
ORIGIN OF THE PRONATOR TERES
Humeral head: medial epicondyle Ulnar head: medial to the tuberosity of ulna
48
INSERTION OF THE PRONATOR TERES
lateral surface of the middle radius
49
ACTION OF THE PRONATOR TERES
pronation of FA, elbow flexion
50
INNERVATION OF THE PRONATOR TERES
median nn.
51
FLEXOR CARPI RADIALIS
O: Common flexor origin medial epicondyle of the humerus I: 2nd and 3rd metacarpals A: Wrist flexion, Radial deviation N: Median
52
ORIGIN OF FLEXOR CARPI RADIALIS
Common flexor origin medial epicondyle of the humerus
53
INSERTION OF FLEXOR CARPI RADIALIS
2nd and 3rd metacarpals
54
ACTION OF FLEXOR CARPI RADIALIS
Wrist flexion, Radial deviation
55
INNERVATION OF FLEXOR CARPI RADIALIS
median nn.
56
PALMARIS LONGUS
O: Common flexor origin medial epicondyle of the humerus I: Carpal ligament and palmar aponeurosis of the hand A: Flexion of wrist N:Median
57
ORIGIN OF PALMARIS LONGUS
Common flexor origin medial epicondyle of the humerus
58
INSERTION OF PALMARIS LONGUS
Carpal ligament and palmar aponeurosis of the hand
59
ACTION OF PALMARIS LONGUS
Flexion of wrist
60
INNERVATION OF PALMARIS LONGUS
median nn.
61
FLEXOR CARPI ULNARIS
O: Humeral head: Common flexor origin- medial epicondyle of the humerus Ulnar head: posterior border of the middle one third of the ulna I: Pisiform bone, pisohamate and pisometacarpal ligaments, and palmar base of the fifth metacarpal bone A: Wrist flexion, Ulnar Deviation N: Ulnar
62
ORIGIN OF FLEXOR CARPI ULNARIS
Humeral head: Common flexor origin- medial epicondyle of the humerus Ulnar head: posterior border of the middle one third of the ulna
63
INSERTION OF FLEXOR CARPI ULNARIS
Pisiform bone, pisohamate and pisometacarpal ligaments, and palmar base of the fifth metacarpal bone
64
ACTION OF FLEXOR CARPI ULNARIS
Wrist flexion, Ulnar Deviation
65
INNERVATION OF FLEXOR CARPI ULNARIS
ulnar nn.
66
FLEXOR DIGITORUM SUPERFICIALIS
O: Humeroulnar head: common flexor origin, and the medial side of coronoid process of the ulna Radial head: oblique line just distal and lateral to the bicipital tuberosity I: By four tendons, each to the sides of the middle phalanges of the fingers A: Flexion of PIP joint of fingers N: Median
67
ORIGIN OF FLEXOR DIGITORUM SUPERFICIALIS
Humeroulnar head: common flexor origin, and the medial side of coronoid process of the ulna Radial head: oblique line just distal and lateral to the bicipital tuberosity
68
INSERTION OF FLEXOR DIGITORUM SUPERFICIALIS
By four tendons, each to the sides of the middle phalanges of the fingers
69
ACTION OF FLEXOR DIGITORUM SUPERFICIALIS
Flexion of PIP joint of fingers
70
INNERVATION OF FLEXOR DGITORUM SUPERFICIALIS
median nn.
71
FLEXOR POLLICIS LONGUS
O: Middle part of the anterior surface of the radius and adjacent interosseous membrane I: Distal phalanx of thumb A: Flexion of distal phalanx of thumb N: Median
72
ORIGIN OF FLEXOR POLLICIS LONGUS
middle part of the anterior surface of the radius and adjacent interosseous membrane
73
INSERTION OF FLEXOR POLLICIS LONGUS
distal phalanx of thumb
74
ACTION OF FLEXOR POLLICIS LONGUS
flexion of distal phalanx of thumb
75
INNERVATION OF FLEXOR POLLICIS LONGUS
median nn.
76
FLEXOR DIGITORUM PROFUNDUS
O: Proximal 3/4 of the medial side of the ulna and adjacent interosseous membrane I: By four tendons, each to the palmar base of the distal phalanges of the fingers A: Flex wrist, flex all joints to DIP in digits 2-5 N: Medial half: ulnar nerve Lateral half: median nerve
77
ORIGIN OF FLEXOR DIGITORUM PROFUNDUS
proximal 3/4 of the medial side of the ulna and adjacent interosseous membrane
78
INSERTION OF FLEXOR DIGITORUM PROFUNDUS
by four tendons, each to the palmar base of the distal phalanges of the fingers
79
ACTION OF FLEXOR DIGITORUM PROFUNDUS
flex wrist, flex all joints to DIP in digits 2-5
80
INNERVATION OF FLEXOR DIGITORUM PROFUNDUS
medial half: ulnar nn. lateral half: median nn.
81
PRONATOR QUADRATUS
O: Anterior surface of distal ulna I: Anterior surface of distal radius A: Pronates forearm N: Median
82
ORIGIN OF PRONATOR QUADRATUS
anterior surface of distal ulna
83
INSERTION OF PRONATOR QUADRATUS
anterior surface of distal radius
84
ACTION OF PRONATOR QUADRATUS
pronates FA
85
INNERVATION OF PRONATOR QUADRATUS
median nn.
86
ABDUCTOR POLLICIS BREVIS
Palmar tubercles of the trapezium and scaphoid Base of proximal phalanx of thumb Abduction of thumb at MCP, CMC joint Median
87
ORIGIN OF ABDUCTOR POLLICIS BREVIS
palmar tubercles of the trapezium and scaphoid
88
INSERTION OF ABDUCTOR POLLICIS BREVIS
base of proximal phalanx of thumb
89
ACTION OF ABDUCTOR POLLICIS BREVIS
abduction of thumb at MCP, CMC jt
90
INNERVATION OF ABDUCTOR POLLICIS BREVIS
median nn.
91
FLEXOR POLLICIS BREVIS
O: Transverse carpal ligament and palmar tubercle of trapezium I: Radial side of proximal phalanx of thumb A: Flexion of thumb N: Median
92
ORIGIN OF FLEXOR POLLICIS BREVIS
Transverse carpal ligament and palmar tubercle of trapezium
93
INSERTION OF FLEXOR POLLICIS BREVIS
radial side of proximal phalanx of thumb
94
ACTION OF FLEXOR POLLICIS BREVIS
flexion of thumb
95
INNERVATION OF FLEXOR POLLICIS BREVIS
median nn.
96
OPPONENS POLLICIS
O: Transverse carpal ligament and palmar tubercle of trapezium I: Shaft of the thumb metacarpal A: Opposition of thumb N: Median
97
ORIGIN OF OPPONENS POLLICIS
transverse carpal ligament and palmar tubercle of trapezium
98
INSERTION OF OPPONENS POLLICIS
shaft of thumb metacarpal
99
ACTION OF OPPONENS POLLICIS
opposition of thumb
100
INNERVATION OF OPPONENS POLLICIS
median nn.
101
ADDUCTOR POLLICIS
O: Oblique head: capitate bone& base of second and third metacarpal Transverse head: palmar surface of 3rd metacarpal I: Ulnar side of the base of the proximal phalanx of the thumb A: Adduction of thumb N: Ulnar
102
ORIGIN OF ADDUCTOR POLLICIS
Oblique head: capitate bone& base of second and third metacarpal Transverse head: palmar surface of 3rd metacarpal
103
INSERTION OF ADDUCTOR POLLICIS
ulnar side of the base of the proximal phalanx of thumb
104
ACTION OF ADDUCTOR POLLICIS
adduction of thumb
105
INNERVATION OF ADDUCTOR POLLICIS
ulnar nn.
106
ABDUCTOR DIGITI MINIMI
O: Pisiform bone, and tendon of the flexor carpi ulnaris I: Base of the proximal phalanx of the little finger A: Abduction of the little finger at MCP joint N: Ulnar
107
ORIGIN OF ABDUCTOR DIGITI MINIMI
pisiform and tendon of flexor carpi ulnaris
108
INSERTION OF ABDUCTOR DIGITI MINIMI
base of proximal phalanx of little finger
109
ACTION OF ABDUCTOR DIGITI MINIMI
abduction of finger at MCP jt
110
INNERVATION OF ABDUCTOR DIGITI MINIMI
ulnar nn.
111
FLEXOR DIGITI MINIMI
O: hook of hamate I: base of proximal phalanx of little finger A: flexion of littel finger N: ulnar nn.
112
ORIGIN OF FLEXOR DIGIT MINIMI
hook of the hamate
113
INSERTION OF FLEXOR DIGITI MINIMI
base of proximal phalanx oflittle finger
114
ACTION OF FLEXOR DIGITI MINIMI
flexion of little finger
115
INNERVATION OF FLEXOR DIGITI MINIMI
ulnar nn.
116
OPPONENS DIGITI MINIMI
Transverse carpal ligament & hook of the hamate Shaft of the fifth metacarpal Flexion of 5th metacarpal, lateral rotation producing opposition Ulnar
117
ORIGIN OF OPPONENS DIGITI MINIMI
transverse carpal ligament and hook of the hamate
118
INSERTION OF OPPONENS DIGITI MINIMI
shaft of 5th metacarpal
119
ACTION OF OPPONENS DIGITI MINIMI
flexion of 5th metacarpal, lateral rot producing opposition
120
INNERVATION OF OPPONENS DIGITI MINIMI
ulnar nn.
121
LUMBRICALS OF THE HAND
O: First and second: Radial surface of the flexor profundus tendons of the index and middle fingers, respectively. Third: Adjacent sides of the flexor profundus tendons of the middle and ring fingers. Fourth: Adjacent sides of the flexor profundus tendons of the ring and little fingers I: Into the radial border of the extensor expansion on the dorsum of the respective digits A: Flexion at MCP, Extension at IP I: Medial two: ulnar nerve Lateral two: median nerve
122
ORIGIN OF THE LUMBRICALS OF THE HAND
First and second: Radial surface of the flexor profundus tendons of the index and middle fingers, respectively. Third: Adjacent sides of the flexor profundus tendons of the middle and ring fingers. Fourth: Adjacent sides of the flexor profundus tendons of the ring and little fingers
123
INSERTION OF THE LUMBRICALS OF THE HAND
Into the radial border of the extensor expansion on the dorsum of the respective digits
124
ACTION OF THE LUMBRICALS OF THE HAND
flexion at MCP, extension of IP
125
INNERVATION OF THE LUMBRICALS OF THE HAND
medial two: ulnar nerve lateral two: median nerve
126
DORSAL INTEROSSEI
O: First: adjacent sides of the first and second metacarpal Second: adjacent sides of the second and third metacarpal Third: adjacent sides of the third and fourth metacarpal Fourth: adjacent sides of the fourth and fifth metacarpal I: First: Radial side of the index finger, chiefly to the base of the proximal phalanx Second: Radial side of the middle finger Third: Ulnar side of the middle finger, chiefly into extensor expansion Fourth: Ulnar side of the ring finger A: Abduction of 2nd, 3rd, 4th digits away from middle finger N: Ulnar
127
ORIGIN OF THE DORSAL INTEROSSEI
First: adjacent sides of the first and second metacarpal Second: adjacent sides of the second and third metacarpal Third: adjacent sides of the third and fourth metacarpal Fourth: adjacent sides of the fourth and fifth metacarpal
128
INSERTION OF THE DORSAL INTEROSSEI
First: Radial side of the index finger, chiefly to the base of the proximal phalanx Second: Radial side of the middle finger Third: Ulnar side of the middle finger, chiefly into extensor expansion Fourth: Ulnar side of the ring finger
129
ACTION OF THE DORSAL INTEROSSEI
Abduction of 2nd, 3rd, 4th digits away from middle finger
130
INNERVATION OF THE DORSAL INTEROSSEI
ulnar nn.
131
PALMAR INTEROSSEI
O: First: ulnar side of the thumb metacarpal Second: ulnar side of the second metacarpal Third: radial side of the fourth metacarpal Fourth: radial side of the fifth metacarpal I: First: Ulnar side of the thumb. Second: Ulnar side of the index finger. Third: Radial side of the ring finger. Fourth: Radial side of the little finger. A: Adduction of 2nd, 4th, 5th digits towards middle finger, flexion of digit at MCP, extension at IP N: Ulnar
132
ORIGIN OF THE PALMAR INTEROSSEI
First: ulnar side of the thumb metacarpal Second: ulnar side of the second metacarpal Third: radial side of the fourth metacarpal Fourth: radial side of the fifth metacarpal
133
INSERTION OF THE PALMAR INTEROSSEI
First: Ulnar side of the thumb. Second: Ulnar side of the index finger. Third: Radial side of the ring finger. Fourth: Radial side of the little finger.
134
ACTION OF THE PALMAR INTEROSSEI
Adduction of 2nd, 4th, 5th digits towards middle finger, flexion of digit at MCP, extension at IP
135
INNERVATION OF THE PALMAR INTEROSSEI
ulnar nn.

ANATOMY (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions