1
Q
1
A
Biceps brachii muscle
Long head -> supraglenoid tubercle (scapula)
Short head -> coracoid process (scapula)
Musculocutaneous nerve
Flexion of shoulder and elbow
Suppination of radio-ulna joint
2
Q
2
A
Coracobrachialis
Coracoid process of scapula -> medial side of humeral shaft (at level of deltoid tubercle)
Flexes the arm at the shoulder
Musculocutaneous nerve
3
Q
3
A
Musculocutaneous nerve (C5-C7)
Branch of the lateral cord.
**pierces coracobrachialis muscle
4
Q
1
A
Triceps - medial head
Distal to radial groove -> olecranon of ulna
radial nerve
5
Q
2
A
Triceps - long head
infraglenoid tubercle of scapula -> olecranon of ulna
radial nerve
6
Q
3
A
Brachialis muscle
Medial of humeral shalf -> ulnar tuberosity
Flexion of the elbow
Musculocutaneous nerve
7
Q
4
A
Biceps brachi - short head
Coracoid proces of scapula -> radial tuberosity
Flexion of the elbow and shoulder
Suppination
musculocutaneous nerve
8
Q
5
A
coracobrachilas *(deep flexor)
coracoid process of scapula -> medial side of humeral shalft
flexion of the arm at the shoulder
musculocutaneous nerve pierces it*
9
Q
6
A
Deltoid
Axillary nerve C5-C6
10
Q
7
A
Triceps - lateral head
humerus - superior to the radial groove -> olecranon of ulna
radial nerve
extension of the elbow
11
Q
1
A
Pronator teres
medial epicondyle of humerus -> mid shaft of radius
pronation of forearm
median nerve
12
Q
2
A
palmaris longus
abesent in 15%
medial epicondyle of humerus -> flexor retinaculum of wrist
flexion of the wrist
medial nerve
13
Q
3
A
Flexor carpi radialis
medial epicondyle of humerus -> base of 2nd/3rd metacarpals
flexion and abduction of wrist (radial deviation)
median nerve
14
Q
4
A
Flexor capri ulnaris
medial epicondyle (humerus) + olecranon -> pisiform/hamate/5th MC
flexion and adduction of the wrist
ulnar nerve
15
Q
5
A
Flexor digitorum superficialis
Medial nerve
Radius and medial epicondyle (humerus) -> 4 tendons attach to middle phalanx of digits 1-4
Flexes MCJ, and PIP joint
16
Q
6
A
abductor pollicis brevis
median nerve
abducts thumb
17
Q
7
A
Flexor pollicis longus
anterior radius -> base of the distal phalanx of the thumb
flexes IP joint and MCP joint of the thumb
Median nerve
18
Q
8
A
extensor capri radialis longus
lateral supracondylar ridge of humerus -> base of second MC
extension and abduction of wrist
radial nerve
19
Q
9
A
Brachioradialis
(postreior - superfical forearm)
but flexes the elbow/suppination at proximal radio-ulna joint
radial nerve*
supracondyle ridge of humerus -> distal end of radius (proximal to radiostyloid)
20
Q
1
A
triceps brachii
21
Q
2+5 (same muscle)
A
brachioradialis
22
Q
3
A
brachialis
humeral shalf -> ulnar tuberosity
flexes the elbow - with forearm pronated or supinated
musculocutaneous nerve
23
Q
4
A
biceps brachii
24
Q
5
A
brachioradialis
25
6
extensor capris radialis longus
26
7
pronator teres
27
8 + 11 (Same muscle)
flexor digitorum superficialis
28
9
flexor pollicus longus
median nerve
flexes IP and MCJ joint of the thumb
29
10
abductor pollius longus
30
11
flexor digitorum superficialis
(intermediate layer)
median nerve
31
12
flexor capri ulnaris
32
13
flexor capri radialis
33
14
palmaris longus
34
15
flexor capri ulnaris
35
1
abductor pollicis brevis
median nerve
abducts the thumb - CMC and MPJ joint
36
2
abductor pollicis longus
from posterior forearm
37
3
extensor retinaculum
- contains tendons of extensor pollicis brevis/longus
38
4
flexor pollicis longus
flexes IP and MCP joints of thumb
median nerve
39
5
flexor capri radialis
40
6
extensor capri radialis longus
41
7
pronator teres
42
8
brachioradialis
43
9
extensor capri radialis longus
44
10
supinator
supinates the forearm - inserts into radius
radial nerve (Deep)
45
11
flexor digitorum profundus
46
12
palmaris longus
47
13
flexor capri ulnaris
- ulnar nerve
48
14
flexor digitorum superficialis
inserts base of middle phalanx
flexes, wrist, cmc, mcp, pip
medial nerve
49
1
Abductor digiti minimi
- ulnar nerve
- abducts the MPJ of little finger
- abduction
originates at the tendon of flexor capri ulnaris
50
2
Palmaris brevis
- ulnar nerve
-
51
3
flexor digiti minimi brevis
- ulnar nerve
- flexion of MPJ of little finger
52
4
third lumbrical
- ulnar nerve
The medial two lumbricals (of the little and ring fingers) are innervated by the ulnar nerve.
Flexion at the MCP joint and extension at the interphalangeal (IP) joints of each digit.
53
5
abductor pollicis brevis
- median nerve
- abducts thumb
54
6
abductor pollicis longus
- abduction and extension of thumb at 1st CMC joint
55
where does biceps brachii insert?
radial tuberosity
56
1
coracobrachialis
musculocutaneous nerve - C5, C6, C7
57
2
Biceps brachii - short head
(coracoid process -> radial tuberosity)
musculocutaneous nerve - C5, 6, 7
58
3
biceps brachi - long head
musculocutaneous nerve, C5,6,7
59
4
brachialis muscle
distal humerus -> coronoid process of ulna
60
1
coracobrachialis
(coracoid process -> mid humeral shaft)
61
2
biceps brachii - short head (long head later)
62
3
brachialis
(distal humerus - coronoid process of ulna)
63
actions of biceps brachii
1. flexion of elbow
2. flexion of shoulder
3. supination - at radio ulnar joints
musculocutaneous nerve
64
actions of coracobrachialis muscle
flexes the arm forwards and medially
65
actions of brachialis muscle
flexes the elbow - (pronation of supination!!) always involved
66
attachments of biceps brachii short head
coracoid process scapula -> radial tuberosity
67
attachments of biceps brachii long head
supraglenoid tubercle of scapula -> tendon passes down through groove of humerus
-> radial tuberosity
68
a
coracobrachialis muscle
(coracoid process -> shaft of humerus)
flexes the arm forwards and medially
musculocutaneous nerve
69
a
biceps brachii long head
70
b
brachialis
- flexes the elbow joint
- musculocutaneous nerve
- anterior surface of distal shaft of humerus -> cornoid process of ulnar
71
where does the brachialis muscle insert?
coronoid process of the ulna
(orgin - distal shaft of humerus - anterioly)
72
the musculocutaneous nerve is the terminal branch of what cord?
lateral cord
supplies all the muscles of the anterior compartment of the arm
terminal branch -> skin of forearm as lateral cutaneous nerve
73
a
coracobrachialis
74
b
biceps brachii - SH
75
c
brachioradialis
76
d
musculocutaneous nerve C5, C6, c7
- lateral cord -
at the elbow pierces fascia deep and becomes the lateral cutaenous nerve of the forearm
77
a
ulnar nerve
78
b
serratus anterior
79
c
medial cutaneous nerve
- medial cord
80
d
lateral thoracic artery
81
e
axillary vein
82
f
axillary artery
83
g
lateral cord
84
h
musculocutaneous nerve C5, C6, C7
85
j
median nerve (lateral and medial root)
86
k
median nerve
87
1
lateral thoracic artery
88
2
latissmimus dorsi
89
3
teres major
90
4
skin
91
1
axillary artery
92
2
brachial artery
93
3
radial artery
94
4
ulnar artery
95
5
axillary vein
96
6
cephalic vein
97
7
basilic vein
98
8
median cubital vein
99
9
basilic vein
100
10
cephalic vein
101
what cord does the median nerve arise from?
lateral and median cords
C6-T1
102
a
triceps - lateral head - from humerus
103
b
triceps - long head from scapula
104
where is the common tendon of triceps
olecranon process of the ulna
105
1
triceps brachial - medial head (overlapped by lateral and long heads)
106
2
teres minor
107
3
teres major
108
4
infraspinatus muscle
109
5
latissimus dorsi
110
6
brachialis muscle
111
7
brachioradialis
112
1
triceps brachii - long head
infraglenoid tubercle of scapula -> olecranon process of ulna (common tendon)
extends elbow
shoulder extension
stabalises inferior aspect of shoulder joint
113
2
triceps brachii medial head
-
114
1
triceps brachii long head
- infraglenoid tubercle of scapula -> olecranon process of ulna
115
2
triceps brachii - lateral head
116
1
triceps brachii long head
117
2
triceps brachii lateral head
118
1
anconeus
(extends the elbow)
radial nerve
119
2
tendon of the biceps brachii
120
3
ulna
121
1
radial nerve
- posterior interosseous nerve: deep branch
122
2
radial
- superficial terminal branch
123
3
radial nerve
posterior cord
124
humerus fracture in the radial groove/spiral groove cause what injury?
radial nerve
wrist drop
125
damage to the medial epicondyle of the humerus will cause damage to what nerve?
ulnar nerve
runs behind the medial epicondyle within the cubital tunnel
-> can get compressed behind the elbow
126
damage to the surgical neck of the humerus will cause what damage?
axillary nerve
127
1
brachialis muscle
o- anterior humerus
i- ulna tuberosity
flexes the elbow in pronation of supination
128
1
long head of biceps brachii
129
2
short head of biceps brachii
130
1
long head of biceps brachii
- o - supraglenoid tubercle of scapula
131
2
short head of biceps brachii
o- coracoid process
i- radial tuberosity
132
where is the biceps insertion?
radial tuberosity
133
1
brachioradialis muscle
0- below deltoid tuberosity on humerus
i - distal radius
flexes the elbow in supination/pronation
134
a
aconeus muscle
minor elbow extensor
135
what muscles does the musculocutaneous muscle supply?
1. coracobrachialis
2. brachialis
3. biceps brachii
136
a
median nerve
= runs over brachial artery until elbow - and then diverges medially
137
b
ulnar nerve
138
a
ulnar nerve
139
a
radial nerve
start between the medial and lateral head of triceps
140
1
radial nerve
runs under the brachioradialis muscle
141
2
deep branch of radial nerve
142
3
superficial branch of the radial nerve
143
what muscles does the radial nerve supply
triceps
anconaeus
brachioradialis
supinator
144
1
biceps brachi - long head
145
2
biceps brachi - short head
146
root values of the musculocutaneous nerve?
C5, 6, 7
lateral cord
147
damage to the surgical neck of the humerus damages what nerve?
axillary nerve
- deltoid /teres minor
148
if the medial epicondyle of humerus is damaged , what nerve is affected?
ulnar nerve
149
a mid shaft fracture of the humerus would damage what nerve?
radial nerve
150
1
axillary nerve
151
2
radial nerve
152
3
ulnar nerve
153
1
musculocutaneous nerve
154
2
medial nerve
155
3
ulnar nerve
156
1
epicondylar line
157
2
radial nerve
158
3
biceps brachii tendon
159
4
cephalic vein (superficial)
(lateral/radial sign)
160
5
superficial - radial nerve
161
6
brachioradialis muscle
lateral/radial side
162
7
radial nerve - deep
163
8
radial artery
164
9
radial vein
165
10
radius
166
11
humerus
167
12
brachial artery
168
13
brachial vein
169
14
median nerve
170
15
pronator teres
171
16
ulnar vein
172
17
ulnar artery
173
18
bicipital aponeurosis
174
19
medial cubital vein
175
20
ulna
176
1
brachial artery
177
2
median nerve
178
3
pronator teres
179
4
brachioradialis
radial nerve runs under
180
5
extensor capri radialis longus
181
6
radial artery
182
1
brachial artery
183
2
median nerve
184
3
biceps brachii tendon
185
4
biicipital aponeurosis
186
5
brachioradialis
187
6
radial nerve - deep branch - interisseus nerve
188
7
extensor capri radialis longus
189
1
median nerve
190
2
brachial artery
191
3
biceps brachii tendon
192
4
bicipital aponeurosis
193
5
radial artery
194
6
pronator teres
195
7
brachialis muscle
196
8
radial nerve
197
9
brachioradialis
198
10
extensor capri radialis longus
199
11
radial nerve - superficial
200
12
supinator muscle
201
at what level does the brachial artery bifurcate?
apex of the cubital fossa
radial/ulna
202
1
coronoid fossa of humerus
203
2
radial fossa of humerus
204
3
lateral epicondyle of humerus
205
4
capitulum of humerus
206
5
trochlear notch - ulna
207
6
radial head
208
7
coronoid process
209
8
trochlea of H
210
9
medial epicondyle of H
211
1
lateral epicondyle
212
2
coronoid fossa
213
3
radial head
214
4
radial notch of ulna
215
5
medial epicondyle
216
6
olecranon process of ulna
217
which ligament holds the ulnar in place?
ulnar collateral ligament
218
which ligament holds the head of the radius
annular ligament
219
which muscles flex the elbow joint
biceps brachii
brachioradialis
brachialis
220
which muscle extend the eblow
triceps brachii
anconeus
221
1
radial collateral ligament
222
2
annular collateral
holds the head of the radius
223
1
lateral ulnar collateral ligament
- holds the ulna in place
224
2
radial collateral ligament
225
3
annular ligament
226
what is tennis elbow
inflammation of tendons attached to the lateral epicondyle
lateral epicondylitis
227
what is golfers elbow
inflammation of tendons of medial epicondyle
medial epicondylitis
228
what is olecranon bursitis
damage to subcutaneous olecranon bursa
- e.g. leaning on elbow
229
what type of joint is the radio-ulna joint
proximal - synovial pivot
distal - synovial pivot
230
1
annular ligament
231
movements at radio ulnar joints?
supination and pronation
232
what is this movement
pronation
233
what is this movement
supination
234
muscles of supination
1. biceps brachii
2. supinator
235
muscles of pronation
1. pronator teres
2. pronator quadratus
236
1
radial collateral ligament
- holds the rotating head of the radius in place against the ulna bone
- arises from lateral epicondyle
237
2
annular ligament
238
Anatomy Year 2 Term 2
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