Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Fall 2022 > Anatomy Lab Week 3 > Flashcards

Anatomy Lab Week 3 Flashcards

1
Q

Abductor digiti minimi m. Origin

A

Pisiform bone and tendon of flexor carpi ulnaris

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

Abductor digiti minimi m. Insertion

A

Medial aspect of base of proximal phalanx of little finger

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

Abductor digiti minimi m. Action

A

Abducts little finger at metacarpopharangeal joint

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

Abductor digiti minimi m. Innervation and blood supply

A

Deep branch of ulnar nerve C8-T1

Deep Palmer branch of ulnar a. and superficial Palmer arch

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

Abductor pollicis brevis m. Origin

A

Tubercles of trapezius and scaphoid bone, flexor retinaculum of hand

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

Abductor pollicis brevis m. Insertion

A

Lateral aspect of base of proximal phalanx of thumb

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

Abductor pollicis brevis m. Action

A

Abducts thumb and it’s carpometacarpal joint

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

Abductor pollicis brevis m. Innervation and blood supply

A

Recurrent branch of median nerve C8-T1

Superficial Palmer branch of radial a.

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

Abductor pollicis longus m. Origin

A

Posterior aspect of proximal half of ulna and middle one third of radius, adjacent interosseous membrane of forearm

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

Abductor pollicis longus m. Insertion

A

Lateral aspect of base of first metacarpal bone

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

Abductor pollicis longus m. Action

A

Abducts and extends arm at first carpometacarpal joint

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

Abductor pollicis longus m. Innervation and blood supply

A

Posterior antebrachial interosseous nerve C7-C8

Anterior and posterior interosseous aa.

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

Brachioradialis m. Origin

A

Superior two thirds of lateral supracondylar ridge of humerus

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

Brachioradialis m. Insertion

A

Lateral aspect of distal part of radius

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

Brachioradialis m. Action

A

Flexes forearm at elbow joint

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

Brachioradialis m. Innervation and blood supply

A

Radial nerve C5-C6

Radial Recurrent , radial collateral and radial aa.

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

Dorsal interosseous mm.

A

Four dorsal muscles, from lateral to medial labeled 1-4.
Abduct index, middle and ring fingers at their metacarpophalangeal joints, joint is flexed
Interphalangeal joint extended

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

Extensor carpi radialis brevis m. Origin

A

Lateral epicondyle of humerus, via common extensor tendon

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

Extensor carpi radialis brevis m. Insertion

A

Dorsal aspect of base of third metacarpal bone

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

Extensor carpi radialis brevis m. Action

A

Extends hand at radiocarpal (wrist) joint, abducts hand at radiocarpal and mid carpal joints

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

Extensor carpi radialis brevis m. Innervation and blood supply

A

Deep branch of radial nerve (C7-C8) and posterior antebrachial interosseous nerve (C7-C8)
Radial recurrent and radial aa.

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

Extensor carpi radialis longus m. Origin

A

Inferior one third of lateral supracondylar ridge of humerus

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

Extensor carpi radialis longus m. Insertion

A

Dorsal aspect of base of second metacarpal bone

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

Extensor carpi radialis longus m. Action

A

Extends hand at radiocarpal joint, abducts hand at radiocarpal and mid carpal joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Extensor carpi radialis longus m. Innervation and blood supply

A 
Radial nerve (C6-C7)
Radial recurrent, radial collateral, and radial aa.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Extensor carpi ulnaris m. Origin

A

Lateral epicondyle of humerus , via common extensor tendon and posterior border of ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Extensor carpi ulnaris m. Insertion

A

Medial aspect of base at fifth metacarpal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Extensor carpi ulnaris m. Action

A

Extends and Adducts hand at radiocarpal joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Extensor carpi ulnaris m, Innervation and blood supply

A

Posterior antebrachial interosseous nerve C7-C8

Radial recurrent and posterior interosseous aa,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Extensor digiti minimi m. Origin

A

Lateral epicondyle of humerus, via common extensor tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Extensor digiti minimi m. Insertion

A

Extensor expansion of little finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Extensor digiti minimi m. Action

A

Extends little finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Extensor digiti minimi m, Innervation and blood supply

A

Posterior antebrachial interosseous n, C7-C8

Radial recurrent, anterior and posterior interosseous aa.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Extensor digitorum m. Origin

A

Lateral epicondyle of humerus, via common extensor tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Extensor digitorum m. Insertion

A

Dorsal aspects of bases of middle and distal phalanges of the index, middle, ring, and little finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Extensor digitorum m. Action

A

Extends index, middle, ring, and little fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Extensor digitorum m. Innervation and blood supply

A

Posterior antebrachial interosseous n C7-C8

Radial recurrent, anterior and posterior interosseous aa.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Extensor indicis m, origin

A

Posterior surface of distal one third of ulna and adjacent interosseous membrane of forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Extensor indicis m, insertion

A

Extensor expansion of index finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Extensor indicis m, action

A

Extends index finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Extensor indicis m, Innervation and blood supply

A

Posterior antebrachial interosseous (C7-C8)

Anterior and posterior interosseous aa.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Extensor pollicis brevis m. Origin

A

Posterior surface of distal half of radius and adjacent interosseous membrane of forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Extensor pollicis brevis m. Insertion

A

Dorsal aspect of base of proximal phalanx of thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Extensor pollicis brevis m. Action

A

Extends thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Extensor pollicis brevis m. Innervation and blood supply

A

Posterior antebrachial interosseousn C7-C8

Anterior and posterior interosseous aa.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Extensor pollicis longus m. Origin

A

Posterior surface of middle one third of ulna and adjacent interosseous membrane of forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Extensor pollicis longus m. Insertion

A

Dorsal aspect of base of distal phalanx of thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Extensor pollicis longus m. Action

A

Extends thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Extensor pollicis longus m. Innervation and blood supply

A

Posterior antebrachial interosseous n C7-C8

Anterior and posterior interosseous aa.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Flexor carpi radialis m. Origin

A

Medial epicondyle of humerus, via common flexor tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Flexor carpi radialis m, insertion

A

Palmer aspects of bases of second and third metacarpal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Flexor carpi radialis m. Action

A

Flexes hand at radiocarpal joint, abducts hand at radiocarpal and mid carpal joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Flexor carpi radialis m, Innervation and blood supply

A 
Median nerve (C6-C7)
Radial a. And posterior branch of ulnar recurrent a
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Flexor carpi ulnaris m. Origin

A

Medial epicondyle of humerus via common flexor tendon, proximal two thirds of body of Ulna, and Olecranon of ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Flexor carpi ulnaris m. Insertion

A

Pisiform bone, hook of hamate, and Palmer aspect of base of fifth metacarpal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Flexor carpi ulnaris m, action

A

Flexes and abducts hand at radiocarpal joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Flexor carpi ulnaris m. Innervation and blood supply

A

Ulnar nerve C7-T1

Ulnar a. And posterior branch of ulnar recurrent a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Flexor digiti minimi brevis m, origin

A

Hook of hamate bone and flexor retinaculum of hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Flexor digiti minimi brevis m insertion

A

Medial aspect of base of proximal phalanx of proximal little finger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Flexor digiti minimi brevis m action

A

Flexes little finger at its metacarpophalangeal joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Flexor digiti minimi brevis m Innervation and blood supply

A

Deep branch of ulnar nerve C8-T1

Deep Palmer branch of ulnar a. And superficial Palmer arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Flexor digitorum superficialis m. Origin

A

Medial epicondyle of humerus, via common flexor tendon, sublime tubercle of ulna, and proximal half of interior border or radius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

Flexor digitorum superficialis m. Insertion

A

Palmer aspect of the bodies of the middle phalanges of the index, middle, ring, and little fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

Flexor digitorum superficialis m. Action

A

Flexes index, middle, ring, and little fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Flexor digitorum superficialis m. Innervation and blood supply

A

Medial nerve C7-T1

Anterior branch of ulnar recurrent a., ulnar and radial aa.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Flexor digitorum profundus m. Origin

A

Medial aspect of coronoid process of ulna and superior three quarters of anterior and medial surfaces of body of ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Flexor digitorum profundus m. Insertion

A

Palmer aspects of bases of the distal phalanges of index, middle, ring, and little fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Flexor digitorum profundus m. Action

A

Flexes index, middle, ring, and little fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Flexor digitorum profundus m. Innervation and blood supply

A

Medial part :ulnar nerve C8-T1, Lateral part :anterior interosseous branch of median nerve (C8-T1)
Ulnar a. , Inferior collateral ulnar a., ulnar recurrent a., anterior interosseous a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Flexor pollicis brevis m. Origin

A

Tubercle of trapezius bone, Palmer aspect of capitate and trapezoid bone, flexor retinaculum of hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

Flexor pollicis brevis m. Insertion

A

Lateral aspect of base of proximal phalanx of thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

Flexor pollicis brevis m. Action

A

Flexes thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

Flexor pollicis brevis m. Innervation and blood supply

A

Superficial head: recurrent branch of median nerve C8-T1
Deep head:deep branch of ulnar nerve C8-T1

Superficial Palmer branch of radial a. And princeps pollicis a.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Flexor pollicis longus m. Origin

A

Anterior surface of radius and adjacent interosseous membrane of forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

Flexor pollicis longus m. Insertion

A

Palmer aspect of base of distal phalanx of thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

Flexor pollicis longus m. Action

A

Flexes thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

Flexor pollicis longus m. Innervation and blood supply

A

Anterior antebrachial interosseous n. C7-T1

Anterior interosseous and radial aa.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

Hypothenar muscles

A

Abductor digiti minimi
Flexor digiti minimi muscles of hand
Opponens digiti minimi
Palmaris brevis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

Hypothenar muscles actions

A

Abduct little finer at metacarpophalangeal joint
Flex little finger at “ “
Oppose little finger toward thumb
Wrinkle skin on hypothenar eminence and deep end hallow of hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

Lumbrical mm.

A

Numbered one to four, lateral to medial

Act simultaneously to flex the metacarpophalangeal joint and extend interphalangeal joints of fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

Opponens digiti minimi m origin

A

Hook the hamate bone and flexor retinaculum of hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

Opponens digiti minimi m insertion

A

Medial aspect of fifth metacarpal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

Opponens digiti minimi m action

A

Opposes little finger toward thumb

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

Opponens digiti minimi m Innervation and blood supply

A

Deep branch of ulnar nerve C8-T1

Deep Palmer branch of ulnar a, and deep Palmer arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

Opponens pollicis m. Origin

A

Tubercle of trapezium bone and flexor retinaculum of hand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

Opponens pollicis m. Insertion

A

Anterolateral aspect of body of first metacarpal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

Opponens pollicis m. Action

A

Opposes thumb towards other fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

Opponens pollicis m. Innervation and blood supply

A

Recurrent branch of median nerve C8-T1

Superficial Palmer branch of radial a. And princeps pollicis a,

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

Palmaris longus m. Origin

A

Medial epicondyle of humerus, via common flexor tendon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

Palmaris longus m. Insertion

A

Palmar aponeurosis and flexor retinaculum of hand

91
Q

Palmaris longus m. Action

A

Flexes hand at radiocarpal joint, and stabilizes Palmer aponeurosis

92
Q

Palmaris longus m. Innervation and blood supply

A

Median nerve C7-C8

Median a. And anterior branch of ulnar recurrent a.

93
Q

Pronator quadratus m. Origin

A

Anterior aspect of distal one quarter of ulna

94
Q

Pronator quadratus m. Insertion

A

Anterior aspect of distal one quarter of radius

95
Q

Pronator quadratus m. Action

A

Pronates forearm at radioulnar joints

96
Q

Pronator quadratus m. Innervation and blood supply

A

Anterior antebrachial interosseous n. C7-C8

Anterior interosseous a.

97
Q

Thenar mm.

A

Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
Form thenar eminence on Palmer side of hand

98
Q

Thenar mm, actions

A

Flex thumb at metacarpophalangeal and carpometacarpal joints
Abduct thumb at carpometacarpal joint
Oppose thumb towards fingers

99
Q

Palmar interosseous mm.

A

Usually three, sometimes four, numbered from lateral to medial
Abduct index, little, and ring fingers at metacarpophalangeal joints
Simultaneously flex metacarpophalangeal joint and extend interphalangeal joints for those three fingers

100
Q

Anterior interosseous n. Origin

A

Median nerve C7-C8

101
Q

Anterior interosseous n. Course

A

Extends under flexor digitorum superficialis to innervate deep muscles of anterior forearm

102
Q

Anterior interosseous n. Supplies

A

Flexor pollicis longus and pronator quadratus mm., lateral half of flexor digitorum profundus , radiocarpal joint, distal radioulnar joint

103
Q

Recurrent branch of median n, origin

A

Median n. C8-T1

104
Q

Recurrent branch of median n, course

A

Travels laterally, curving slightly around flexor retinaculum to thenar muscles

105
Q

Recurrent branch of median n, supplies

A

Thenar mm.

106
Q

Deep branch of radial n. Origin

A

Terminal branch of radial nerve C7-T1

107
Q

Deep branch of radial n. Course

A

Leaves cubital fossa, passes through Supinator muscle to descend between superficial and deep layers of extensor forearm muscles

108
Q

Deep branch of radial n. Supply

A 
Extensor carpi radialis brevis
Supinator
Extensor digitorum 
Extensor digiti minimi 
Extensor carpi ulnaris
109
Q

Posterior interosseous n. Origin

A

Deep branch of radial nerve C7-C8

110
Q

Posterior interosseous n. Course

A

Descends between two heads of Supinator m, along interosseous men of forearm to innervate muscles of dorsal forearm

111
Q

Posterior interosseous n. Supplies

A

Most muscles on dorsal side of forearm

112
Q

Superficial branch of radian n. Origin

A

Radial n. C6-C8

113
Q

Superficial branch of radian n. Course

A

Descends posterior forearm, travels under brachioradialis tendon to dorsum of hand

114
Q

Superficial branch of radian n. Branches

A

Four dorsal digital branches

115
Q

Superficial branch of radian n. Supplies

A

Skin of dorsal hand and proximal parts of dorsal surface of thumb, index, and lateral half of middle finger

116
Q

Superficial branch of ulnar n. Origin

A

Ulnar nerve

117
Q

Superficial branch of ulnar n. Course

A

Crosses flexor retinaculum to divide into superficial and deep Palmer branches

118
Q

Superficial branch of ulnar n. Branch

A

Common Palmer digiti branch of ulnar n.

Muscular branch of ulnar n to hypothenar muscles

119
Q

Superficial branch of ulnar n. Supplies

A

Palmaris brevis

120
Q

Deep branch of ulnar n. Origin

A

Terminal branch of ulnar n. Below flexor retinaculum

121
Q

Deep branch of ulnar n. Course

A

Deep through hypothenar muscles sad curves laterally to adductor pollicis m

122
Q

Deep branch of ulnar n. Supply

A 
Hypothenar mm.
Medial two lumbricals
Interosseous m
Adductor pollicis 
Radiocarpal joint
123
Q

Deep Palmer arterial arch origin

A

Radial a.

124
Q

Deep Palmer arterial arch course

A

Distally through thenar muscles along Palmer surface of hand

125
Q

Deep Palmer arterial arch branches

A

Palmer metacarpal aa.

126
Q

Deep Palmer arterial arch supplied structures

A

Hypothenar and interossei mm., palmer region of metacarpals and digits

127
Q

Middle collateral origin

A

Deep brachial a.

128
Q

Middle collateral course

A

Distally, posterior to shaft of humerus

129
Q

Middle collateral supplied structures

A

Anconeous, elbow joint , cutaneous supply to lateral aspect of arm

130
Q

Superficial Palmer branch of radial a. Origin

A

Radial a.

131
Q

Superficial Palmer branch of radial a. Course

A

Distally through thenar eminence to superficial Palmer arch

132
Q

Superficial Palmer branch of radial a. Supplied structures

A

Thenar and lumbrical mm.

133
Q

Radial collateral a. Origin

A

Deep brachial a,

134
Q

Radial collateral a course

A

Distally in posterior compartment of arm

135
Q

Radial collateral a supplied structures

A

Brachialis
Brachioradialis
Radial n
Cutaneous supply to lateral arm

136
Q

Superficial Palmer arch origin

A

Ulnar a.

137
Q

Superficial Palmer arch course

A

Runs distally, then laterally to anastomose with superficial Palmer branch of radial a. And radialis incindis a.

138
Q

Superficial Palmer arch branches

A

Common Palmer digital aa.

139
Q

Superficial Palmer arch supplied structures

A

Thenar mm
Lumbrical mm
Palmer aspect of metacarpals and digits

140
Q

Anterior interosseous a. Origin

A

Common interosseous a.

141
Q

Anterior interosseous a. Course

A

Distally, deep within anterior forearm and hand

142
Q

Anterior interosseous a. Branch

A

Median a.

143
Q

Anterior interosseous a. Supplied structures

A 
Deep muscles of extensor compartment
Radius
Ulna
Palmer surface hand
Cutaneous supply to lateral distal forearm
144
Q

Anterior ulnar recurrent a. Origin

A

Ulnar a.

145
Q

Anterior ulnar recurrent a. Course

A

Proximal,g toward elbow

146
Q

Anterior ulnar recurrent a. Supplied structures

A

Brachialis
Pronator teres
Flexor digitorum superficialis and profundus
Anastomotic network that supplies elbow joint

147
Q

Common interosseous a. Origin

A

Ulnar a.

148
Q

Common interosseous a. Course

A

Descends to proximal edge of interosseous membrane

149
Q

Common interosseous a. Branches

A

Anterior and posterior interosseous aa.

150
Q

Common interosseous a. Supplied structures

A

Cubital fossa
Deep parts of anterior forearm
posterior forearm

151
Q

Deep Palmer branch of ulna a. Origin

A

Ulnar a.

152
Q

Deep Palmer branch of ulna a. Course

A

Distal then laterally toward deep Palmer arch

153
Q

Deep Palmer branch of ulna a. Supplied structures

A

Hypothenar mm
Interossei mm
Palmar region of metacarpals and digits

154
Q

Posterior interosseous a. Origin

A

Common interosseous a.

155
Q

Posterior interosseous a. Course

A

Distally, deep within posterior forearm and into hand

156
Q

Posterior interosseous a. Supplied structures

A

Muscles of posterior forearm

157
Q

Posterior ulnar recurrent a. Origin

A

Ulnar a.

158
Q

Posterior ulnar recurrent a. Course

A

Proximally toward elbow

159
Q

Posterior ulnar recurrent a. Supplied structures

A

Flexor digitorum profundus and superficialis
Flexor carpi ulnaris m.
Ulnar n
Anastomotic network around elbow joint

160
Q

Dorsal venous arch

A

Dorsal metacarpal and digital veins

161
Q

Dorsal venous arch course

A

Proximal across dorsal metacarpals

162
Q

Dorsal venous arch tributaries

A

Veins:

Dorsal digital
Intercapitular
Dorsal metacarpal

163
Q

Anatomical snuff box

A

Triangular depression on dorsum of hand at base of thumb

Limited by tendons of the abductor longus m, extensor pollicis brevis m, extensor pollicis longus m

164
Q

Carpal tunnel

A

Opening in wrist that is formed by carpal bones on bottom of the wrist and transverse carpal ligament across top of wrist . Flexor retinaculum forms roof, attaches to pisiform, tuberosity of scaphoid and trapezium and hook of hamate bone
Transmits median nerve and tendons of flexor pollicis longus, flexor digitorum superficialis and profundus

165
Q

Extensor expansion (hood)

A

Special connective attachments by which extensor tends insert into phalanges. Tendons insert onto dorsal surface of digits 2-5

166
Q

Extensor retinaculum

A

Thickened part of antebrachial fascia that holds tendons of the extensor muscles in place
Attaches proximal to lateral surface of distal radius towards styloid process and distally attaches to pisiform and triquetral bones

167
Q

Flexor retinaculum

A

Strong fibrous band that covers carpal bones on Palmer side of hand near wrist
Proximal attaches to deep fascia of forearm
Distally attaches to palmar aponeurosis
Radial attachment to scaphoid tubercle and ridge of trapezium
Ulnar attachment to pisiform and hook of hamate

168
Q

Palmar aponeurosis

A

Bound to integumentary by dense fibroareolar tissue forming the superficial palmar fascia, gives origin by its medial margin to palmaris brevis
Insertion site of palmaris longus m

169
Q

Transverse carpal ligament

A

Insertion sites proximal log to scaphoid and pisiform more round, distal insertions to trapezium and hamate more online
Flexible, slightly elastic cord that lies on top of carpal tunnel at wrist

170
Q

First costal cartilage

A

Anterior compartment continuation of ribs, 1-7 attach to sternum

171
Q

Manubrium

A

Wide, quadrilateral, upper part of sternum . Located at level of third and fourth thoracic vertebrae
Articulates with body of sternum, right and lest clavicles (sternoclavicular joints), first and second costosternal joints

172
Q

Jugular notch

A

Large indentation found along superior border of Manubrium. Located between right and left clavicles, palatable depression

173
Q

Sternocleidomastoid m. Origin

A

Sternum head: anterior surface of Manubrium

Clavicular head: medial one third of clavicle

174
Q

Sternocleidomastoid m. Insertion

A

Mastoid process of temporal bone and superior nuchal line of occipital bone

175
Q

Sternocleidomastoid m. Action

A

Flexes and laterally flexes hear, rotates neck

176
Q

Sternocleidomastoid m. Innervation and blood supply

A

Accessory nerve, anterior rami of nervesC2-C4

Occipital, posterior auricular, superior thyroid and Suprascapular aa.

177
Q

Coracoclavicular ligament

A

Attaches posterior ascent of Coracoid process of scapula to inferior surface of clavicle, lateral to subclavian groove

178
Q

Coracoacromial ligament

A

Attaches from lateral of the Coracoid process to the apex of the acromion of scapula. Bordered superiorly by clavicle and deltoid, and tendon of supraspinatus muscle and sub acromial bursa

179
Q

Biceps brachii long head tendon

A

Wraps around proximal portion of tendon of long head within intertubercular sulcus
Bounded by pectoralis major laterally and Teres major medially
Accompanied by anterior circumflex humeral a.

180
Q

Glenohumeral joint capsule

A

Synovial joint formed between scapula (glenoid process) and head of humerus. Ball and socket joint
Surround by fibrous capsule lined by synovial membrane, strengthened by glenohumeral ligament and rotator cuff muscles

181
Q

Glenoid labrum

A

Lip around shallow glenoid cavity. Attachment site of auricular capsule of glenohumeral joint

182
Q

Radial collateral ligament

A

Extends from lateral epicondyle of humerus to proximal end of supinator crest of ulna. Blends laterally with annular ligament

183
Q

Ulnar collateral ligament

A

Medial aspect of elbow joint and extends between humerus and ulna. Deep to triceps brachii and flexor carpi ulnaris and ulnar nerve. Lies deep to attachment of flexor digitorum superficialis

184
Q

Annular ligament

A

Attaches to anterior margin of radial head of ulna. Loop that holds head of radius against ulna. Allows for rotation of radius

185
Q

Articular discs

A

Suspends distal radius and medial carpal bones from distal part of ulna. Base attaches to medial edge of distal radius and apex extends over ulnar head to attach to styloid process of ulna
Separates distal radioulnar joint from radiocarpal joint

186
Q

Interosseous membrane

A

Between shaft of radius and ulna, forms syndesmosis. Contains oval aperture distally which conducts anterior interosseous a. From anterior forearm to posterior

187
Q

Capitate

A

Short bone

Articulates with trapezoid, scaphoid, lunate, and hamate bones; second, third and fourth metacarpal bones

188
Q

Capitate blood supplied

A

Deep Palmer arch
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.

189
Q

Hamate

A

Short bone

Articulates with hook, Palmar and dorsal surfaces: triqetrum, capitate and lunate articular facets

190
Q

Hamate blood supply

A

Deep Palmer arch
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.

191
Q

Hook of hamate

A

Curved anterior projection at distal end of palmar aspect of bone
Origin for flexor digiti minimi brevis and Opponens digiti minimi
Attachment site for flexor retinaculum of hand and psiohamate ligament

192
Q

Lunate

A

Short bone

Articulates with radius, triquetrum , hamitate, capitate and scaphoid

193
Q

Lunate blood supply

A

Deep Palmer arch
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.

194
Q

Pisiform

A

Sesamoid bone

Articulates with triquetrum bone

195
Q

Pisiform blood supply

A

Ulnar a.

196
Q

Scaphoid

A

Short bone

Articulates with radius, lunate, tripezium, capitate and trapezoid

197
Q

Scaphoid blood supply

A

Superficial Palmer arch of radial a.

Dorsal carpal branch of radial a.

198
Q

Trapezium

A

Short bone

Articulates with trapezoid, scaphoid, first and second metacarpals

199
Q

Trapezium blood supply

A

Radial a.

200
Q

Triquetrum

A

Short bone

Articulates with lunate, hamate, pisiform

201
Q

Triquetrum blood supply

A

Ulnar a.
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.

202
Q

Trapezoid

A

Short bone

Articulates with trapezium, scaphoid, capitate and second metacarpal bone

203
Q

Trapezoid blood supply

A

Dorsal carpal branch of radial a.

Dorsal carpal branch of ulnar a.

204
Q

Lateral epicondyle

A

Distal end of lateral supracondylar ridge of humerus
Origin for superficial muscles of posterior forearm, supinator, and anconeous mm.
Attachment site for radial collateral ligament

205
Q

Medial epicondyle

A

Distal end of medial supracondylar ridge of humerus
Groove for ulnar n
Origin site for superficial muscles of anterior forearm
Attachment site for ulnar collateral ligament

206
Q

Olecranon fossa

A

Large deep depression on posterior aspect of condyle of humerus, accommodates Olecrenon of ulna during elbow extension

207
Q

Trochlea

A

Inferomedial aspect of condyle of humerus, more medial part. Articulates with trochlea notch of ulna, forming humeroulnar joint

208
Q

Metacarpals

A

Between carpal bones and phalanges, numbers one to five lateral to medial

209
Q

Proximal phalanges

A

Long bones, distal to metacarpal bones, proximal to distal phalanx of thumb and middle phalanx of other four fingers

210
Q

Middle phalanges

A

Distal to proximal phalanges, thumb does not have this.

211
Q

Distal phalanges

A

Distal to middle phalanges, thumb does have this. Smallest and thinnest of all phalanges

212
Q

Head of radius

A

Disc shaped on proximal end of bone
Articular circumference articular with head of notch of ulna, forming proximal radioulnar joint
Articular facet articulates with capitulum of humerus, forming humeroradial joint

213
Q

Neck of radius

A

Inferior to head of radius

Closely surround by annular ligament of radius, medial aspect attachment site for quadratus ligament

214
Q

Radial tuberosity

A

Elevated oval area found on anteromedial aspect of proximal end of radius
Inferior to neck of radius
Attachment site for biceps brachii m.

215
Q

Styloid process of radius

A

Blunt projection on inferolateral aspect of distal end
Insertion site for brachioradialis m.
Attachment site for radial collateral ligament of wrist joint and radioscaphocapitate ligament

216
Q

Suprascapular notch

A

Indentation found along lateral area of superior edge of scapula
Converted to Suprascapular foramen by the transverse scapular ligament

217
Q

Sternum location

A

Thoracic cage

218
Q

Sternum bone type

A

Flat bone

219
Q

Sternum articulates with

A

Clavicle and costal cartilages

220
Q

Sternum arterial supply

A

Perforating branches of internal thoracic aa.

221
Q

Sternal angle

A

Inclined junction between anterior surfaces of the Manubrium and body of sternum
Marks location of manubriosternal joint

222
Q

Coronoid process of ulna

A

Broad anterior eminence found on proximal ulna. Superior part contains distal portion of trochlear notch, lateral aspect contains radial notch, medial aspect contains sublime tubercle

Insertion site for pronator teres and flexor digitorum profundus and humeroulnar head of flexor digitorum superficialis
Insertion site for brachialis m.
Attachment site for ulnar collateral ligament

223
Q

Styloid process of ulna

A

Subcutaneous cylindrical projection found on posteromedial aspect of distal part of ulna
Attachment site for ulnar collateral ligament of wrist joint

224
Q

Trochlear notch

A

Large concave area found on anterosuperior aspect of proximal part of ulna
Proximal portion found on anterior aspect of Olecrenon
Distal found on superior aspect of coronoid process
Articulates with trochlea of humerus forming humeroulnar joint

Fall 2022 (15 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions