Anatomy Lab Week 3 Flashcards
1
Q
Abductor digiti minimi m. Origin
A
Pisiform bone and tendon of flexor carpi ulnaris
2
Q
Abductor digiti minimi m. Insertion
A
Medial aspect of base of proximal phalanx of little finger
3
Q
Abductor digiti minimi m. Action
A
Abducts little finger at metacarpopharangeal joint
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
5
Q
Abductor pollicis brevis m. Origin
A
Tubercles of trapezius and scaphoid bone, flexor retinaculum of hand
6
Q
Abductor pollicis brevis m. Insertion
A
Lateral aspect of base of proximal phalanx of thumb
7
Q
Abductor pollicis brevis m. Action
A
Abducts thumb and it’s carpometacarpal joint
8
Q
Abductor pollicis brevis m. Innervation and blood supply
A
Recurrent branch of median nerve C8-T1
Superficial Palmer branch of radial a.
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
10
Q
Abductor pollicis longus m. Insertion
A
Lateral aspect of base of first metacarpal bone
11
Q
Abductor pollicis longus m. Action
A
Abducts and extends arm at first carpometacarpal joint
12
Q
Abductor pollicis longus m. Innervation and blood supply
A
Posterior antebrachial interosseous nerve C7-C8
Anterior and posterior interosseous aa.
13
Q
Brachioradialis m. Origin
A
Superior two thirds of lateral supracondylar ridge of humerus
14
Q
Brachioradialis m. Insertion
A
Lateral aspect of distal part of radius
15
Q
Brachioradialis m. Action
A
Flexes forearm at elbow joint
16
Q
Brachioradialis m. Innervation and blood supply
A
Radial nerve C5-C6
Radial Recurrent , radial collateral and radial aa.
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
18
Q
Extensor carpi radialis brevis m. Origin
A
Lateral epicondyle of humerus, via common extensor tendon
19
Q
Extensor carpi radialis brevis m. Insertion
A
Dorsal aspect of base of third metacarpal bone
20
Q
Extensor carpi radialis brevis m. Action
A
Extends hand at radiocarpal (wrist) joint, abducts hand at radiocarpal and mid carpal joints
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.
22
Q
Extensor carpi radialis longus m. Origin
A
Inferior one third of lateral supracondylar ridge of humerus
23
Q
Extensor carpi radialis longus m. Insertion
A
Dorsal aspect of base of second metacarpal bone
24
Q
Extensor carpi radialis longus m. Action
A
Extends hand at radiocarpal joint, abducts hand at radiocarpal and mid carpal joints
25
Extensor carpi radialis longus m. Innervation and blood supply
```
Radial nerve (C6-C7)
Radial recurrent, radial collateral, and radial aa.
```
26
Extensor carpi ulnaris m. Origin
Lateral epicondyle of humerus , via common extensor tendon and posterior border of ulna
27
Extensor carpi ulnaris m. Insertion
Medial aspect of base at fifth metacarpal bone
28
Extensor carpi ulnaris m. Action
Extends and Adducts hand at radiocarpal joint
29
Extensor carpi ulnaris m, Innervation and blood supply
Posterior antebrachial interosseous nerve C7-C8
| Radial recurrent and posterior interosseous aa,
30
Extensor digiti minimi m. Origin
Lateral epicondyle of humerus, via common extensor tendon
31
Extensor digiti minimi m. Insertion
Extensor expansion of little finger
32
Extensor digiti minimi m. Action
Extends little finger
33
Extensor digiti minimi m, Innervation and blood supply
Posterior antebrachial interosseous n, C7-C8
| Radial recurrent, anterior and posterior interosseous aa.
34
Extensor digitorum m. Origin
Lateral epicondyle of humerus, via common extensor tendon
35
Extensor digitorum m. Insertion
Dorsal aspects of bases of middle and distal phalanges of the index, middle, ring, and little finger
36
Extensor digitorum m. Action
Extends index, middle, ring, and little fingers
37
Extensor digitorum m. Innervation and blood supply
Posterior antebrachial interosseous n C7-C8
| Radial recurrent, anterior and posterior interosseous aa.
38
Extensor indicis m, origin
Posterior surface of distal one third of ulna and adjacent interosseous membrane of forearm
39
Extensor indicis m, insertion
Extensor expansion of index finger
40
Extensor indicis m, action
Extends index finger
41
Extensor indicis m, Innervation and blood supply
Posterior antebrachial interosseous (C7-C8)
| Anterior and posterior interosseous aa.
42
Extensor pollicis brevis m. Origin
Posterior surface of distal half of radius and adjacent interosseous membrane of forearm
43
Extensor pollicis brevis m. Insertion
Dorsal aspect of base of proximal phalanx of thumb
44
Extensor pollicis brevis m. Action
Extends thumb
45
Extensor pollicis brevis m. Innervation and blood supply
Posterior antebrachial interosseousn C7-C8
| Anterior and posterior interosseous aa.
46
Extensor pollicis longus m. Origin
Posterior surface of middle one third of ulna and adjacent interosseous membrane of forearm
47
Extensor pollicis longus m. Insertion
Dorsal aspect of base of distal phalanx of thumb
48
Extensor pollicis longus m. Action
Extends thumb
49
Extensor pollicis longus m. Innervation and blood supply
Posterior antebrachial interosseous n C7-C8
| Anterior and posterior interosseous aa.
50
Flexor carpi radialis m. Origin
Medial epicondyle of humerus, via common flexor tendon
51
Flexor carpi radialis m, insertion
Palmer aspects of bases of second and third metacarpal bones
52
Flexor carpi radialis m. Action
Flexes hand at radiocarpal joint, abducts hand at radiocarpal and mid carpal joints
53
Flexor carpi radialis m, Innervation and blood supply
```
Median nerve (C6-C7)
Radial a. And posterior branch of ulnar recurrent a
```
54
Flexor carpi ulnaris m. Origin
Medial epicondyle of humerus via common flexor tendon, proximal two thirds of body of Ulna, and Olecranon of ulna
55
Flexor carpi ulnaris m. Insertion
Pisiform bone, hook of hamate, and Palmer aspect of base of fifth metacarpal bone
56
Flexor carpi ulnaris m, action
Flexes and abducts hand at radiocarpal joint
57
Flexor carpi ulnaris m. Innervation and blood supply
Ulnar nerve C7-T1
| Ulnar a. And posterior branch of ulnar recurrent a.
58
Flexor digiti minimi brevis m, origin
Hook of hamate bone and flexor retinaculum of hand
59
Flexor digiti minimi brevis m insertion
Medial aspect of base of proximal phalanx of proximal little finger
60
Flexor digiti minimi brevis m action
Flexes little finger at its metacarpophalangeal joint
61
Flexor digiti minimi brevis m Innervation and blood supply
Deep branch of ulnar nerve C8-T1
| Deep Palmer branch of ulnar a. And superficial Palmer arch
62
Flexor digitorum superficialis m. Origin
Medial epicondyle of humerus, via common flexor tendon, sublime tubercle of ulna, and proximal half of interior border or radius
63
Flexor digitorum superficialis m. Insertion
Palmer aspect of the bodies of the middle phalanges of the index, middle, ring, and little fingers
64
Flexor digitorum superficialis m. Action
Flexes index, middle, ring, and little fingers
65
Flexor digitorum superficialis m. Innervation and blood supply
Medial nerve C7-T1
| Anterior branch of ulnar recurrent a., ulnar and radial aa.
66
Flexor digitorum profundus m. Origin
Medial aspect of coronoid process of ulna and superior three quarters of anterior and medial surfaces of body of ulna
67
Flexor digitorum profundus m. Insertion
Palmer aspects of bases of the distal phalanges of index, middle, ring, and little fingers
68
Flexor digitorum profundus m. Action
Flexes index, middle, ring, and little fingers
69
Flexor digitorum profundus m. Innervation and blood supply
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.
70
Flexor pollicis brevis m. Origin
Tubercle of trapezius bone, Palmer aspect of capitate and trapezoid bone, flexor retinaculum of hand
71
Flexor pollicis brevis m. Insertion
Lateral aspect of base of proximal phalanx of thumb
72
Flexor pollicis brevis m. Action
Flexes thumb
73
Flexor pollicis brevis m. Innervation and blood supply
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.
74
Flexor pollicis longus m. Origin
Anterior surface of radius and adjacent interosseous membrane of forearm
75
Flexor pollicis longus m. Insertion
Palmer aspect of base of distal phalanx of thumb
76
Flexor pollicis longus m. Action
Flexes thumb
77
Flexor pollicis longus m. Innervation and blood supply
Anterior antebrachial interosseous n. C7-T1
| Anterior interosseous and radial aa.
78
Hypothenar muscles
Abductor digiti minimi
Flexor digiti minimi muscles of hand
Opponens digiti minimi
Palmaris brevis
79
Hypothenar muscles actions
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
80
Lumbrical mm.
Numbered one to four, lateral to medial
| Act simultaneously to flex the metacarpophalangeal joint and extend interphalangeal joints of fingers
81
Opponens digiti minimi m origin
Hook the hamate bone and flexor retinaculum of hand
82
Opponens digiti minimi m insertion
Medial aspect of fifth metacarpal bone
83
Opponens digiti minimi m action
Opposes little finger toward thumb
84
Opponens digiti minimi m Innervation and blood supply
Deep branch of ulnar nerve C8-T1
| Deep Palmer branch of ulnar a, and deep Palmer arch
85
Opponens pollicis m. Origin
Tubercle of trapezium bone and flexor retinaculum of hand
86
Opponens pollicis m. Insertion
Anterolateral aspect of body of first metacarpal bone
87
Opponens pollicis m. Action
Opposes thumb towards other fingers
88
Opponens pollicis m. Innervation and blood supply
Recurrent branch of median nerve C8-T1
| Superficial Palmer branch of radial a. And princeps pollicis a,
89
Palmaris longus m. Origin
Medial epicondyle of humerus, via common flexor tendon
90
Palmaris longus m. Insertion
Palmar aponeurosis and flexor retinaculum of hand
91
Palmaris longus m. Action
Flexes hand at radiocarpal joint, and stabilizes Palmer aponeurosis
92
Palmaris longus m. Innervation and blood supply
Median nerve C7-C8
| Median a. And anterior branch of ulnar recurrent a.
93
Pronator quadratus m. Origin
Anterior aspect of distal one quarter of ulna
94
Pronator quadratus m. Insertion
Anterior aspect of distal one quarter of radius
95
Pronator quadratus m. Action
Pronates forearm at radioulnar joints
96
Pronator quadratus m. Innervation and blood supply
Anterior antebrachial interosseous n. C7-C8
| Anterior interosseous a.
97
Thenar mm.
Abductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
Form thenar eminence on Palmer side of hand
98
Thenar mm, actions
Flex thumb at metacarpophalangeal and carpometacarpal joints
Abduct thumb at carpometacarpal joint
Oppose thumb towards fingers
99
Palmar interosseous mm.
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
Anterior interosseous n. Origin
Median nerve C7-C8
101
Anterior interosseous n. Course
Extends under flexor digitorum superficialis to innervate deep muscles of anterior forearm
102
Anterior interosseous n. Supplies
Flexor pollicis longus and pronator quadratus mm., lateral half of flexor digitorum profundus , radiocarpal joint, distal radioulnar joint
103
Recurrent branch of median n, origin
Median n. C8-T1
104
Recurrent branch of median n, course
Travels laterally, curving slightly around flexor retinaculum to thenar muscles
105
Recurrent branch of median n, supplies
Thenar mm.
106
Deep branch of radial n. Origin
Terminal branch of radial nerve C7-T1
107
Deep branch of radial n. Course
Leaves cubital fossa, passes through Supinator muscle to descend between superficial and deep layers of extensor forearm muscles
108
Deep branch of radial n. Supply
```
Extensor carpi radialis brevis
Supinator
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris
```
109
Posterior interosseous n. Origin
Deep branch of radial nerve C7-C8
110
Posterior interosseous n. Course
Descends between two heads of Supinator m, along interosseous men of forearm to innervate muscles of dorsal forearm
111
Posterior interosseous n. Supplies
Most muscles on dorsal side of forearm
112
Superficial branch of radian n. Origin
Radial n. C6-C8
113
Superficial branch of radian n. Course
Descends posterior forearm, travels under brachioradialis tendon to dorsum of hand
114
Superficial branch of radian n. Branches
Four dorsal digital branches
115
Superficial branch of radian n. Supplies
Skin of dorsal hand and proximal parts of dorsal surface of thumb, index, and lateral half of middle finger
116
Superficial branch of ulnar n. Origin
Ulnar nerve
117
Superficial branch of ulnar n. Course
Crosses flexor retinaculum to divide into superficial and deep Palmer branches
118
Superficial branch of ulnar n. Branch
Common Palmer digiti branch of ulnar n.
| Muscular branch of ulnar n to hypothenar muscles
119
Superficial branch of ulnar n. Supplies
Palmaris brevis
120
Deep branch of ulnar n. Origin
Terminal branch of ulnar n. Below flexor retinaculum
121
Deep branch of ulnar n. Course
Deep through hypothenar muscles sad curves laterally to adductor pollicis m
122
Deep branch of ulnar n. Supply
```
Hypothenar mm.
Medial two lumbricals
Interosseous m
Adductor pollicis
Radiocarpal joint
```
123
Deep Palmer arterial arch origin
Radial a.
124
Deep Palmer arterial arch course
Distally through thenar muscles along Palmer surface of hand
125
Deep Palmer arterial arch branches
Palmer metacarpal aa.
126
Deep Palmer arterial arch supplied structures
Hypothenar and interossei mm., palmer region of metacarpals and digits
127
Middle collateral origin
Deep brachial a.
128
Middle collateral course
Distally, posterior to shaft of humerus
129
Middle collateral supplied structures
Anconeous, elbow joint , cutaneous supply to lateral aspect of arm
130
Superficial Palmer branch of radial a. Origin
Radial a.
131
Superficial Palmer branch of radial a. Course
Distally through thenar eminence to superficial Palmer arch
132
Superficial Palmer branch of radial a. Supplied structures
Thenar and lumbrical mm.
133
Radial collateral a. Origin
Deep brachial a,
134
Radial collateral a course
Distally in posterior compartment of arm
135
Radial collateral a supplied structures
Brachialis
Brachioradialis
Radial n
Cutaneous supply to lateral arm
136
Superficial Palmer arch origin
Ulnar a.
137
Superficial Palmer arch course
Runs distally, then laterally to anastomose with superficial Palmer branch of radial a. And radialis incindis a.
138
Superficial Palmer arch branches
Common Palmer digital aa.
139
Superficial Palmer arch supplied structures
Thenar mm
Lumbrical mm
Palmer aspect of metacarpals and digits
140
Anterior interosseous a. Origin
Common interosseous a.
141
Anterior interosseous a. Course
Distally, deep within anterior forearm and hand
142
Anterior interosseous a. Branch
Median a.
143
Anterior interosseous a. Supplied structures
```
Deep muscles of extensor compartment
Radius
Ulna
Palmer surface hand
Cutaneous supply to lateral distal forearm
```
144
Anterior ulnar recurrent a. Origin
Ulnar a.
145
Anterior ulnar recurrent a. Course
Proximal,g toward elbow
146
Anterior ulnar recurrent a. Supplied structures
Brachialis
Pronator teres
Flexor digitorum superficialis and profundus
Anastomotic network that supplies elbow joint
147
Common interosseous a. Origin
Ulnar a.
148
Common interosseous a. Course
Descends to proximal edge of interosseous membrane
149
Common interosseous a. Branches
Anterior and posterior interosseous aa.
150
Common interosseous a. Supplied structures
Cubital fossa
Deep parts of anterior forearm
posterior forearm
151
Deep Palmer branch of ulna a. Origin
Ulnar a.
152
Deep Palmer branch of ulna a. Course
Distal then laterally toward deep Palmer arch
153
Deep Palmer branch of ulna a. Supplied structures
Hypothenar mm
Interossei mm
Palmar region of metacarpals and digits
154
Posterior interosseous a. Origin
Common interosseous a.
155
Posterior interosseous a. Course
Distally, deep within posterior forearm and into hand
156
Posterior interosseous a. Supplied structures
Muscles of posterior forearm
157
Posterior ulnar recurrent a. Origin
Ulnar a.
158
Posterior ulnar recurrent a. Course
Proximally toward elbow
159
Posterior ulnar recurrent a. Supplied structures
Flexor digitorum profundus and superficialis
Flexor carpi ulnaris m.
Ulnar n
Anastomotic network around elbow joint
160
Dorsal venous arch
Dorsal metacarpal and digital veins
161
Dorsal venous arch course
Proximal across dorsal metacarpals
162
Dorsal venous arch tributaries
Veins:
Dorsal digital
Intercapitular
Dorsal metacarpal
163
Anatomical snuff box
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
Carpal tunnel
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
Extensor expansion (hood)
Special connective attachments by which extensor tends insert into phalanges. Tendons insert onto dorsal surface of digits 2-5
166
Extensor retinaculum
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
Flexor retinaculum
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
Palmar aponeurosis
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
Transverse carpal ligament
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
First costal cartilage
Anterior compartment continuation of ribs, 1-7 attach to sternum
171
Manubrium
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
Jugular notch
Large indentation found along superior border of Manubrium. Located between right and left clavicles, palatable depression
173
Sternocleidomastoid m. Origin
Sternum head: anterior surface of Manubrium
| Clavicular head: medial one third of clavicle
174
Sternocleidomastoid m. Insertion
Mastoid process of temporal bone and superior nuchal line of occipital bone
175
Sternocleidomastoid m. Action
Flexes and laterally flexes hear, rotates neck
176
Sternocleidomastoid m. Innervation and blood supply
Accessory nerve, anterior rami of nervesC2-C4
| Occipital, posterior auricular, superior thyroid and Suprascapular aa.
177
Coracoclavicular ligament
Attaches posterior ascent of Coracoid process of scapula to inferior surface of clavicle, lateral to subclavian groove
178
Coracoacromial ligament
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
Biceps brachii long head tendon
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
Glenohumeral joint capsule
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
Glenoid labrum
Lip around shallow glenoid cavity. Attachment site of auricular capsule of glenohumeral joint
182
Radial collateral ligament
Extends from lateral epicondyle of humerus to proximal end of supinator crest of ulna. Blends laterally with annular ligament
183
Ulnar collateral ligament
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
Annular ligament
Attaches to anterior margin of radial head of ulna. Loop that holds head of radius against ulna. Allows for rotation of radius
185
Articular discs
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
Interosseous membrane
Between shaft of radius and ulna, forms syndesmosis. Contains oval aperture distally which conducts anterior interosseous a. From anterior forearm to posterior
187
Capitate
Short bone
| Articulates with trapezoid, scaphoid, lunate, and hamate bones; second, third and fourth metacarpal bones
188
Capitate blood supplied
Deep Palmer arch
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.
189
Hamate
Short bone
| Articulates with hook, Palmar and dorsal surfaces: triqetrum, capitate and lunate articular facets
190
Hamate blood supply
Deep Palmer arch
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.
191
Hook of hamate
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
Lunate
Short bone
| Articulates with radius, triquetrum , hamitate, capitate and scaphoid
193
Lunate blood supply
Deep Palmer arch
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.
194
Pisiform
Sesamoid bone
| Articulates with triquetrum bone
195
Pisiform blood supply
Ulnar a.
196
Scaphoid
Short bone
| Articulates with radius, lunate, tripezium, capitate and trapezoid
197
Scaphoid blood supply
Superficial Palmer arch of radial a.
| Dorsal carpal branch of radial a.
198
Trapezium
Short bone
| Articulates with trapezoid, scaphoid, first and second metacarpals
199
Trapezium blood supply
Radial a.
200
Triquetrum
Short bone
| Articulates with lunate, hamate, pisiform
201
Triquetrum blood supply
Ulnar a.
Dorsal carpal branch of radial a.
Dorsal carpal branch of ulnar a.
202
Trapezoid
Short bone
| Articulates with trapezium, scaphoid, capitate and second metacarpal bone
203
Trapezoid blood supply
Dorsal carpal branch of radial a.
| Dorsal carpal branch of ulnar a.
204
Lateral epicondyle
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
Medial epicondyle
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
Olecranon fossa
Large deep depression on posterior aspect of condyle of humerus, accommodates Olecrenon of ulna during elbow extension
207
Trochlea
Inferomedial aspect of condyle of humerus, more medial part. Articulates with trochlea notch of ulna, forming humeroulnar joint
208
Metacarpals
Between carpal bones and phalanges, numbers one to five lateral to medial
209
Proximal phalanges
Long bones, distal to metacarpal bones, proximal to distal phalanx of thumb and middle phalanx of other four fingers
210
Middle phalanges
Distal to proximal phalanges, thumb does not have this.
211
Distal phalanges
Distal to middle phalanges, thumb does have this. Smallest and thinnest of all phalanges
212
Head of radius
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
Neck of radius
Inferior to head of radius
| Closely surround by annular ligament of radius, medial aspect attachment site for quadratus ligament
214
Radial tuberosity
Elevated oval area found on anteromedial aspect of proximal end of radius
Inferior to neck of radius
Attachment site for biceps brachii m.
215
Styloid process of radius
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
Suprascapular notch
Indentation found along lateral area of superior edge of scapula
Converted to Suprascapular foramen by the transverse scapular ligament
217
Sternum location
Thoracic cage
218
Sternum bone type
Flat bone
219
Sternum articulates with
Clavicle and costal cartilages
220
Sternum arterial supply
Perforating branches of internal thoracic aa.
221
Sternal angle
Inclined junction between anterior surfaces of the Manubrium and body of sternum
Marks location of manubriosternal joint
222
Coronoid process of ulna
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
Styloid process of ulna
Subcutaneous cylindrical projection found on posteromedial aspect of distal part of ulna
Attachment site for ulnar collateral ligament of wrist joint
224
Trochlear notch
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
