Upper Extremities Flashcards
1
Q
A
2
Q
Trapezius Insertion
A
Lateral 1/3 of Clavicle; Acromion; Spine of Scapula
3
Q
Trapezius Motor Innervation
A
Spinal Accessory Nerve
4
Q
Trapezius Action
A
Elevate; Retract & Depress Scapula
5
Q
Bilateral Contraction of Upper Trapezius Action
A
Head Extension
6
Q
Ipsilateral Contraction of Trapezius Action
A
Lateral Flexion of Head and Cervical Vertebrae
7
Q
Latissimus Dorsi Origin
A
Thoracolumbar Fascia; SP T6-L5; Sacrum; Iliac Crest; Lower 3-4 Ribs
8
Q
Latissimus Dorsi Insertion
A
Floor of Intertubercular Groove of Humerus
9
Q
Latissimus Dorsi Innervation
A
Thoracodorsal Nerve
10
Q
Latissimus Dorsi Action
A
Adduction; Extension & Medial Rotation of Humerus
11
Q
Rhomboid Major Origin
A
SP T2-T5
12
Q
Rhomboid Major Insertion
A
Medial Border of Scapula between Spine and Inferior Angle
13
Q
Rhomboid Major Innervation
A
Dorsal Scapular Nerve
14
Q
Rhomboid Major Action
A
Retraction of Scapula; Elevation of Medial Border of Scapula; Downward Rotation of Scapula
15
Q
Rhomboid Minor Origin
A
SP C7-T1
16
Q
Rhomboid Minor Insertion
A
Between Root of Spine and Superior Angle of Scapula
17
Q
Rhomboid Minor Innervation
A
Dorsal Scapular Nerve
18
Q
Rhomboid Minor Action
A
Retraction of Scapula; Elevation of Medial Border of Scapula; Downward Rotation of Scapula
19
Q
Levator Scapulae Origin
A
Posterior Tubercle of TP C1-C3/4
20
Q
Levator Scapulae Insertion
A
Superior Angle of Scapula
21
Q
Levator Scapulae Innervation
A
Dorsal Scapular Nerve & Ventral Rami C3-C4
22
Q
Levator Scapulae Action
A
Elevate and Retract Scapula; Downward Rotation of Scapula; Lateral Flexion of Neck if Scapula is fixed
23
Q
Deltoid Origin
A
Lateral 1/3 of Clavicle; Acromion; Spine of Scapula
24
Q
Deltoid Insertion
A
Deltoid Tuberosity
25
Deltoid Innervation
Axillary Nerve
26
Deltoid Action
Abduction after 15 degrees; Flex and Medially Rotate Humerus; Extend and Laterally Rotate Humerus
27
Subscapularis Origin
Subscapular Fossa of Scapula
28
Subscapularis Insertion
Lesser Tubercle of Humerus
29
Subscapularis Innervation
Upper and Lower Subscapular Nerves
30
Subscapularis Action
Medial Rotation of Humerus
31
Supraspinatus Origin
Supraspinous Fossa of Scapula
32
Supraspinatus Insertion
Superior Facet of Greater Tubercle of Humerus
33
Supraspinatus Innervation
Suprascapular Nerve
34
Supraspinatus Action
Initiates Abduction of Humerus; Laterally Rotates Humerus after Throwing (Deceleration)
35
Infraspinatus Origin
Infraspinous Fossa of Scapula
36
Question
Answer
37
Infraspinatus Insertion
Middle Facet of Greater Tubercle of Humerus
38
Infraspinatus Innervation
Suprascapular Nerve
39
Infraspinatus Action
Lateral Rotation of Humerus
40
Teres Minor Origin
Upper Lateral Border of Scapula
41
Teres Minor Insertion
Inferior Facet of Greater Tubercle of Humerus
42
Teres Minor Innervation
Axillary Nerve
43
Teres Minor Action
Lateral Rotation of Humerus
44
Teres Major Origin
Lower Lateral Border and Inferior Angle of Scapula
45
Teres Major Innervation
Lower Subscapular Nerve
46
Teres Major Action
Adduct and Medially Rotate Humerus
47
Superior Border of Quadrangular Space
Teres Minor
48
Inferior Border of Quadrangular Space
Teres Major
49
Lateral Border of Quadrangular Space
Surgical Neck of Humerus
50
Medial Border of Quadrangular Space
Long Head of Triceps Brachii
51
Contents of Quadrangular Space
Axillary Nerve & Posterior Humeral Circumflex Artery
52
Superior Border of Triangular Space
Teres Minor
53
Inferior Border of Triangular Space
Teres Major
54
Lateral Border of Triangular Space
Long Head of Triceps Brachii
55
Contents of Triangular Space
Circumflex Scapular Artery
56
Superior Border of Triangular Interval
Teres Major
57
Medial Border of Triangular Interval
Long Head of Triceps Brachii
58
Lateral Border of Triangular Interval
Lateral Head of Triceps Brachii
59
Contents of Triangular Interval
Radial Nerve & Profunda Brachii Artery
60
Suprascapular Nerve Entrapment Sites
Suprascapular Notch & Spinoglenoid Notch
61
Axillary Nerve Entrapment Sites
Ventrolateral Scapula & Quadrangular Space
62
1
C4 Dermatome
63
2
C5 Dermatome
64
3
C6 Dermatome
65
4
C7 Dermatome
66
5
C8 Dermatome
67
6
T1 Dermatome
68
7
T2 Dermatome
69
C4 Dermatome Nerve
Supraclavicular Nerve
70
C5 Dermatome Nerve
Upper Lateral Brachial Cutaneous Nerve
71
Upper Lateral Brachial Cutaneous Nerve stems from ___
Axillary Nerve
72
T2 Dermatome Nerve
Intercostobrachial Nerve
73
Anterior Arm T1 Dermatome Nerve
Medial Brachial Cutaneous Nerve
74
Posterior Arm T1 Dermatome Nerve
Posterior Brachial Cutaneous Nerve
75
Anterior Forearm T1 Dermatome Nerve
Medial Antebrachial Cutaneous Nerve
76
Anterior Arm C6 Dermatome Nerve
Lower Lateral Brachial Cutaneous Nerve
77
Anterior Forearm C6 Dermatome Nerve
Lateral Antebrachial Cutaneous Nerve
78
Posterior Forearm C6 Dermatome Nerve
Posterior Antebrachial Cutaneous Nerve
79
Posterior Arm C6 Dermatome Nerve
Lower Lateral Brachial Cutaneous Nerve
80
Posterior Brachial Cutaneous Nerve stems from ___
Radial Nerve
81
Lower Lateral Brachial Cutaneous Nerve stems from ___
Radial Nerve
82
Posterior Antebrachial Cutaneous Nerve stems from ___
Radial Nerve
83
What separates Deltoid and Pectoralis Major?
Cephalic Vein
84
What are Major Lymph Nodes in the Pectoral Region?
Central Axillary Lymph Nodes & Parasternal Lymph Nodes
85
Contents of Deltopectoral Triangle
Cephalic Vein; Thoracoacromial Artery; Lateral Pectoral Nerve
86
Pectoralis Major Clavicular Head Origin
Medial 1/3 of Clavicle
87
Pectoralis Major Sternal Head Origin
Sternum & 2nd-6th Costal Cartilages
88
Pectoralis Major Insertion
Lateral Lip of the Intertubercular Sulcus
89
Pectoralis Major Innervation
Medial and Lateral Pectoral Nerves
90
Pectoralis Major Action
Adduction & Medial Rotation of Arm
91
Pectoralis Minor Origin
Ribs 2-5
92
Pectoralis Minor Insertion
Coracoid Process of Scapula
93
Pectoralis Minor Innervation
Medial and Lateral Pectoral Nerves
94
Pectoralis Minor Action
Protract Scapula & Elevate Ribs
95
Subclavius Origin
Superior Surface of 1st Rib near Costocartilage Junction
96
Subclavius Insertion
Middle 1/3 of Clavicle
97
Subclavius Muscle Innervation
Nerve to Subclavius
98
Subclavius Action
Depress Clavicle
99
Serratus Anterior Origin
Upper 9 Ribs
100
Serratus Anterior Insertion
Ventral Aspect of Medial Border of Scapula
101
Serratus Anterior Innervation
Long Thoracic Nerve
102
Serratus Anterior Action
Protract Scapula & Upward Rotation of Glenoid Fossa
103
Long Thoracic Nerve injury leads to ___
Scapular Winging & Weakened Serratus Anterior
104
Floor/Base of Axilla
Skin of Armpit & Superficial Fascia
105
Anterior Wall of Axilla
Pectoralis Major; Pectoralis Minor & Investing Fascia
106
Pectoralis Major Fascia
Pectoral Fascia
107
Pectoralis Minor Fascia
Clavipectoral Fascia
108
Posterior Wall of Axilla
Teres Major; Subscapularis & Latissimus Dorsi
109
Medial Wall of Axilla
Serratus Anterior and Ribs
110
Lateral Wall of Axilla
Intertubercular Sulcus of Humerus
111
Apex of Axilla
Upper Border of Scapula; Clavicle & 1st Rib
112
___ will become the Axillary Vein
Basilic Vein
113
Cephalic Vein Drains into ___
Axillary Vein
114
___ become Axillary Artery
Subclavian Artery
115
Axillary Artery forms after passing ___
1st Rib
116
1st part of Axillary Artery lies between ___
1st Rib & Pectoralis Minor
117
1st Branch of Axillary Artery
Supreme Thoracic Artery
118
2nd part of Axillary Artery lies underneath ___
Pectoralis Minor
119
2nd Branch of Axillary Artery
Thoracoacromial Trunk
120
Branches of Thoracoacromial Trunk
Clavicular; Acromial; Deltoid; Pectoral
121
3rd Branch of Axillary Artery
Lateral Thoracic Artery
122
3rd Part of Axillary Artery lies between ___
Pectoralis Minor & Inferior Border of Teres Major
123
4th branch of Axillary Artery
Subscapular Artery
124
Subscapular Artery branches
Circumflex Scapular Artery & Thoracodorsal Artery
125
5th branch of Axillary Artery
Anterior Humeral Circumflex Artery
126
6th branch of Axillary Artery
Posterior Humeral Circumflex Artery
127
Roots of brachial Plexus
C5; C6; C7; C8; T1
128
What Roots form Upper Trunk of Brachial Plexus?
C5; C6
129
What Roots form Middle Trunk of Brachial Plexus?
C7
130
What Roots form Lower Trunk of Brachial Plexus?
C8; T1
131
Upper trunk Divides into ___
Anterior & Posterior Divisions
132
Middle Trunk Divides into ___
Anterior & Posterior Divisions
133
Lower Trunk Divides into ___
Anterior & Posterior Divisions
134
Cords of Brachial Plexus are named in relation to ___
Axillary Artery
135
Lateral Cord is formed from ___
Anterior Division of Upper and Middle Trunks
136
Posterior Cord is formed from ___
Posterior Divisions of Upper; Middle & Lower Trunks
137
Medial Cord is formed from ___
Anterior Division of Lower Trunk
138
What Branches from C5; C6 & C7 Ventral Roots?
Long Thoracic Nerve
139
What Branches from C4 & C5 Ventral Roots?
Dorsal Scapular Nerve
140
What Branches from Upper Trunk?
Suprascapular Nerve & Nerve to Subclavius
141
How many Nerves arise from Divisions of Brachial Plexus?
None
142
What Branches off the Lateral Cord?
Lateral Pectoral Nerve
143
Where does Medial Pectoral Nerve stem from?
Medial Cord
144
Where does Medial Brachial Cutaneous Nerve stem from?
Medial Cord
145
Where does Medial Antebrachial Cutaneous Nerve stem from?
Medial Cord
146
Where does the Upper Subscapular Nerve stem from?
Posterior Cord
147
Where does the Thoracodorsal Nerve stem from?
Posterior Cord
148
Where does the Lower Subscapular Nerve stem from?
Posterior Cord
149
Terminal Branches of Lateral Cord
Musculocutaneous Nerve & Lateral Root of Median Nerve
150
Terminal Branches of Medial Cord
Ulnar Nerve & Medial Root of Median Nerve
151
Median Nerve stems from ___
Lateral & Medial Cords
152
Terminal Branches of Posterior Cord
Radial Nerve & Axillary Nerve
153
Injuries to Upper Trunk are referred to as ___
Erb Palsy; Duchenne-Erb Palsy; Upper Radicular Syndrome; "Waiter's Tip Position"
154
Actions that can injure the Upper Trunk
Actions that increase the angle between Neck and Shoulder
155
Symptoms of Upper Trunk injury
Adducted and Medially Rotated Arm; Forearm Extended; Palm Facing Backward and Upward
156
Injuries to Lower Trunk are referred to as ___
Klumpke's Palsy; Dejerine-Klumpke's Paralysis; Lower Radicular Pain
157
Actions that injure Lower Trunk
Upper limb forcefully pulled in upward direction so that angle between Humerus and Thorax increases
158
Symptoms of Lower trunk Injury
Clawhand; Abduction or Radial Deviation of Wrist during Wrist Flexion
159
Scalene Syndrome
Hypertonic Scalenes Compress & Entrap Roots of Brachial Plexus
160
Cervical Rib Syndrome
Development of Cervical Rib Compresses & Entraps C8 & T1 Roots
161
Hyperabduction Syndrome
Compression or Irritation of Cords during prolonged Hyperabduction
162
In Hyperabduction Syndrome; Compression of Nerve Roots Occurs in ___
Coracopectoral Tunnel
163
Thoracic Outlet Syndrome
Compression of Lower Trunk
164
Biceps Brachii Long Head Origin
Supraglenoid Tubercle of Scapula
165
Biceps Brachii Short Head Origin
Coracoid Process of Scapula
166
Biceps Brachii Insertion
Radial Tuberosity
167
Biceps Brachii Innervation
Musculocutaneous Nerve
168
Biceps Brachii Actions
Supinate Forearm; Flex Forearm when Supinated; Stabilize Glenohumeral Joint
169
Coracobrachialis Origin
Coracoid Process of Scapula
170
Coracobrachialis Innervation
Musculocutaneous Nerve
171
Coracobrachialis Insertion
Medial Surface of Middle Humerus
172
Coracobrachialis Action
Flex & Adduct Humerus at Glenohumeral Joint
173
Brachialis Origin
Distal Half of Anterior Humerus
174
Brachialis Insertion
Ulnar Tuberosity & Anterior Coronoid Process
175
Brachialis Innervation
Musculocutaneous Nerve
176
Brachialis Action
Flex Forearm at Elbow
177
Musculocutaneous Nerve Entrapment Sites
Coracobrachialis; Between Biceps Brachii & Brachialis
178
Lateral Antebrachial Cutaneous Nerve Entrapment Sites
Biceps Brachii & Brachialis
179
Axillary Artery becomes ___ after passing Inferior Border of Teres Minor
Brachial Artery
180
Brachial Artery branches at ___
Cubital Fossa
181
Brachial Artery branches into ___
Radial Artery & Ulnar Artery
182
Profunda Brachii Artery stems from ___
Brachial Artery
183
Radial Collateral Artery stems from ___
Profunda Brachii Artery
184
Superior Ulnar Collateral Artery stems from ___
Brachial Artery
185
Inferior Ulnar Collateral Artery stems from ___
Brachial Artery
186
Anterior Ulnar Recurrent Artery stems from ___
Ulnar Artery
187
Posterior Ulnar Recurrent Artery stems from ___
Ulnar Artery
188
Common Interosseous Artery stems from ___
Ulnar Artery
189
Interosseous Recurrent Artery stems from ___
Common Interosseous Artery
190
Posterior Interosseous Artery stems from ___
Common Interosseous Artery
191
Anterior Interosseous Artery stems from ___
Common Interosseous Artery
192
Radial Recurrent Artery stems from ___
Radial Artery
193
Long Head of Triceps Brachii Origin
Infraglenoid Tubercle of Scapula
194
Lateral Head of Triceps Brachii Origin
Posterolateral Surface of Humerus & Lateral Intermuscular Septum
195
Medial Head of Triceps Brachii Origin
Posteromedial Surface of Humerus & Medial Intermuscular Septum
196
Triceps Brachii Insertion
Olecranon Process of Ulna
197
Triceps Brachii Innervation
Radial Nerve
198
Triceps Brachii Actions
Extend Forearm; Long Head Stabilizes & Extends Humerus at Glenohumeral Joint
199
Median Antebrachial Vein bifurcates into ___
Cephalic Vein & Median Cubital Vein
200
Median Cubital Vein drains into ___
Basilic Vein
201
Cubital Fossa Floor
Brachialis
202
Cubital Fossa Roof
Bicipital Aponeurosis
203
Cubital Fossa Lateral Border
Brachioradialis
204
Cubital Fossa Medial Border
Pronator Teres
205
Contents of Cubital Fossa
Radial Nerve; Brachial artery; Median Nerve; Biceps Tendon
206
Radial Nerve travels along ___ of Humerus
Spiral Groove
207
___ separates Brachioradialis & Brachialis lateral to Cubital Fossa
Radial Nerve
208
Branches of Radial Nerve
Cutaneous Branch; Superficial Branch; Deep Branch
209
Anterior Interosseous Nerve stems from ___
Median Nerve
210
___ runs between Flexor Digitorum Superficialis & Flexor Digitorum Profundus
Median Nerve
211
In the hand; Median Nerve give off a branch called ___
Recurrent Branch of Median Nerve
212
Humeral Head of Pronator Teres Origin
Medial Epicondyle of Humerus
213
Ulnar Head of Pronator Teres Origin
Coronoid Process of Ulna
214
___ runs between Humeral and Ulnar Heads of Pronator Teres
Median Nerve
215
Pronator Teres Insertion
Midway along the Lateral Surface of Radius
216
Pronator Teres Innervation
Median Nerve
217
Pronator Teres Action
Pronation of Forearm
218
What Muscle is a Secondary Pronator; Recruited when Force or Speed is needed?
Pronator Teres
219
Flexor Carpi Radialis Origin
Medial Epicondyle of Humerus
220
Flexor Carpi Radialis Insertion
Base of 2nd & 3rd Metacarpals
221
Flexor Carpi Radialis Innervation
Median Nerve
222
Flexor Carpi Radialis Action
Flexes 2nd Carpometacarpal Joint and Hand & Radial Deviation
223
Palmaris Longus Origin
Medial Epicondyle of Humerus
224
Palmris Longus Insertion
Flexor Retinaculum & Palmar Aponeurosis
225
Palmaris Longus Innervation
Median Nerve
226
Palmaris Longus Actions
Weak Wrist Flexor; Tenses Palmar Aponeurosis
227
Flexor Carpi Ulnaris Origin
Medial Epicondyle; Medial Aspect of Olecranon Process; Posterior Border of Ulna
228
Flexor Carpi Ulnaris Insertion
Pisiform; Hamate; Base of 5th Metacarpal
229
Flexor Carpi Ulnaris Innervation
Ulnar Nerve
230
Flexor Carpi Ulnaris Action
Flexes 5th Carpometacarpal joint; Ulnar Deviation; Steadies Wrist
231
Flexor Digitorum Superficialis Humeroulnar Head Origin
Medial Epicondyle of Humerus & Coronoid Process of Ulna
232
Flexor Digitorum Superficialis Radial Head Origin
Anterior Surface of Radius (Distal to Radial Tuberosity)
233
Flexor Digitorum Superficialis Insertion
Middle Phalanges of Digits 2-5
234
Flexor Digitorum Superficialis Innervation
Median Nerve
235
Flexor Digitorum Superficialis Action
Flexes Proximal Interphalangeal Joints & Metacarpophlangeal Joints
236
Power Grip Muscle
Flexor Digitorum Superficialis
237
Flexor Digitorum Profundus Origin
Upper 3/4 of Anteromedial Ulna & Ulnar Half of Interosseous Membrane
238
Flexor Digitorum Profundus Insertion
Base of Distal Phalanges of Digits 2-5
239
Flexor Digitorum Profundus Innervation
Anterior Interosseous Nerve & Ulnar Nerve
240
Flexor Digitorum Profundus Action
Flexes Distal Interphalangeal Joints; Gentle Grip Flexor; Weak Grip Flexor
241
When all fingers are flexed into a fist; Antagonistic Extensor tendons ___
Relax
242
When 1 Finger is Flexed; the Antagonistic Extensor Tendon remains ___
Active
243
Tendon for ___ goes through Medial and Lateral Tendons of Flexor Digitorum Superficialis
Flexor Digitorum Profundus
244
Flexor Pollicis Longus Radial Head Origin
Anterior Surface of Radius & Interosseous Membrane
245
Flexor Pollicis Longus Humeral Head Origin
Medial Epicondyle of Humerus & Coronoid Process of Ulna
246
Flexor Pollicis Longus Insertion
Base of Distal Phalanx of Thumb
247
Flexor Pollicis Longus Innervation
Anterior Interosseous Nerve
248
Flexor Pollicis Longus Action
Flexes Interphalangeal Joint & Metacarpophalangeal Joint of Thumb
249
Pronator Quadratus Origin
Distal 1/4 of Anterior Ulna
250
Pronator Quadratus Insertion
Distal 1/4 of Anterior Radius
251
Pronator Quadratus Innervation
Anterior Interosseous Nerve
252
Pronator Quadratus Action
Pronation of Forearm
253
What is the Principle Forearm Pronator?
Pronator Quadratus
254
Median Nerve Entrapment Sites
Medial Intermuscular Septa; Pronator Teres; FDS/FDP Tunnel; Pronator Quadratus; FPB/APB
255
Median Nerve lies superior to ___ in Antebrachium
Flexor Digitorum Profundus
256
Median Nerve lies Deep to ___ in Antebrachium
Flexor Digitorum Superficialis
257
What Innervates Interosseous Membrane of Antebrachium?
Posterior & Anterior Interosseous Arteries
258
What Supplies Blood to Bone?
Nutrient Artery
259
Ulnar Nerve and Artery lie between ___ in Antebrachium
FDS; FCU & FDP
260
Radial Artery & Superficial Branch of Radial Nerve lie between ___
Brachioradialis; FCR & Pronator Teres
261
Anterior Interosseous Artery and Vein lie between ___
FDP & Radius
262
Proper Palmar Digital Nerves from Median Nerve Innervate_____
Skin of 1st Digit - Lateral 1/2 of 4th Digit
263
Proper Palmar Digital Nerves from Superficial Branch of Ulnar Nerve Innervate ___
Skin of Median 1/4 of 4th Digit & 5th Digit
264
Palmaris Brevis Origin
Palmar Aponeurosis & Flexor Retinaculum
265
Palmaris Brevis Insertion
Skin on the Ulnar side of Palm
266
Palmaris Brevis Innervation
Superficial Branch of Ulnar Nerve
267
Palmaris Brevis Action
Winkles and Tenses Skin over Hypothenar Eminence
268
Flexor Retinaculum Medial Attachment ___
Hamulus of Hamate & Pisiform
269
Flexor Retinaculum Lateral Attachment ___
Scaphoid & Trapezius
270
Roof of Carpal Tunnel
Flexor Retinaculum
271
Lateral Wall of Carpal Tunnel
Tubercles of Scaphoid & Trapezium
272
Medial Wall of Carpal Tunnel
Hamulus of Hamate & Pisiform
273
Floor of Carpal Tunnel
Palmar Ulnocarpal & Radiocarpal Ligaments
274
Contents of Carpal Tunnel
4 Tendons of FDS; 4 Tendons of FDP; Tendon of FPL; Median Nerve
275
Contents of the Canal of Guyon
Ulnar Nerve; Ulnar Artery; FCU
276
Superficial Palmar Arch stems from ___
Ulnar Artery
277
Superficial Palmar Arch give rise to ___
3 Common Palmar Digital Arteries
278
Common Palmar Digital Arteries bifurcate into ___
Proper Palmar Digital Artery
279
Proper Palmar Digital Arteries supply ___
Digits 1-4
280
Superficial Palmar Branch of Radial Artery stems from ___
Radial Artery
281
Superficial Palmar Arch Anastomoses with ___
Superficial Palmar Branch of Radial Artery
282
Abductor Pollicis Brevis Origin
Flexor Retinaculum & Tubercle of Trapezium
283
Abductor Pollicis Brevis Insertion
Base of Proximal Phalanx of Thumb
284
Abductor Pollicis Brevis Innervation
Recurrent Branch of Median Nerve
285
Abductor Pollicis Brevis Action
Abduct Thumb
286
Flexor Pollicis Brevis Deep Head Origin
Trapezoid & Capitate
287
Flexor Pollicis Brevis Superficial Head Origin
Flexor Retinaculum & Tubercle of Trapezium
288
Flexor Pollicis Brevis Insertion
Base of Proximal Phalanx of Thumb
289
Flexor Pollicis Brevis Innervation
Recurrent Branch of Median Nerve
290
Flexor Pollicis Brevis Action
Flexes Carpometacarpal & Metacarpophlangeal Joint of Thumb
291
Opponens Pollicis Origin
Flexor Retinaculum & Trapezium
292
Opponens Pollicis Insertion
Entire Length of Lateral Border of 1st Metacarpal
293
Opponens Pollicis Innervation
Recurrent branch of Median Nerve
294
Opponens Pollicis Action
Opposes Thumb
295
Abductor Digiti Minimi Origin
Pisiform & Tendon of FCU
296
Abductor Digiti Minimi Insertion
Base of Proximal Phalanx of 5th Digit
297
Abductor Digiti Minimi Action
Abducts Little Finger
298
Flexor Digiti Minimi Origin
Hamulus of Hamate & Flexor Retinaculum
299
Flexor Digiti Minimi Insertion
Base of Proximal Phalanx of 5th Digit
300
Flexor Digiti Minimi Innervation
Deep Branch of Ulnar Nerve
301
Flexor Digiti Minimi Action
Flexes Little Finger
302
Opponens Digiti Minimi Origin
Hamulus of Hamate & Flexor Retinaculum
303
Opponens Digiti Minimi Insertion
Ulnar Side of 5th Metacarpal
304
Opponens Digiti Minimi Innervation
Deep Branch of Ulnar Nerve
305
Opponens Digiti Minimi Action
Opposition of Little Finger
306
Lumbricals Origin
4 Tendons of FDP
307
Lumbricals Insertion
Radial Side of Dorsal Digital Expansion of 2nd-5th Digits
308
Radial 2 Lumbricals Innervation
Median Nerve
309
Ulnar 2 Lumbricals Innervation
Deep Branch of Ulnar Nerve
310
Lumbricals Action
Flex Metacarpophalangeal Joints & Extend Interphalangeal Joints
311
Adductor Pollicis Oblique Head Origin
Capitate and Bases of 2nd & 3rd Metacarpals
312
Adductor Pollicis Transverse Head Origin
Palmar Surface of 3rd Metacarpal
313
Adductor Pollicis Insertion
Base of Ulnar Side of Proximal Phalanx of Thumb
314
Adductor Pollicis Innervation
Deep Branch of Ulnar Nerve
315
Adductor Pollicis Action
Adduct Thumb
316
Deep Palmar Arch stems from ___
Radial Artery
317
Deep Palmar Arch Anastomoses with ___
Deep Palmar Branch of Ulnar Artery
318
Deep Palmar Arch give rise to ___
Palmar Metacarpal Arteries & Princeps Pollicis Artery
319
Palmar Metacarpal Arteries Anastomose with ___
Common Palmar Digital Arteries
320
1st Palmar Interossei Origin
Ulnar Side of 2nd Metacarpal
321
2nd and 3rd Palmar Interossei Origin
Radial Side of 4th & 5th Metacarpals
322
1st Palmar Interossei Insertion
Ulnar Side of Base of 2nd Proximal Phalanx
323
2nd and 3rd Palmar Interossei Insertion
Radial Side of Base of 4th & 5th Proximal Phalanges
324
Palmar Interossei Innervation
Deep Branch of Ulnar Nerve
325
Palmar Interossei Action
Adduct Digits 5, 4 & 2
326
Dorsal Interossei Origin
Adjacent Sides of Metacarpals
327
Radial 2 Dorsal Interossei Insertion
Radial Side of Base of 2nd & 3rd Proximal Phalanges and Dorsal Digital Expansion
328
Ulnar 2 Dorsal Interossei Insertion
Ulnar Side of Base of 3rd & 4th Proximal Phalanges and Dorsal Digital Expansion
329
Dorsal Interossei Innervation
Deep Branch of Ulnar Nerve
330
Dorsal Interossei Actions
Abduct Medial 4 Digits
331
Anconeus Origin
Lateral Epicondyle of Humerus
332
Anconeus Insertion
Lateral Olecranon Process & Shaft of Ulna, Elbow Joint Capsule
333
Anconeus Innervation
Radial Nerve
334
Anconeus Action
Assist Triceps Brachii in Elbow Extension
335
Brachioradialis Origin
Upper 2/3 of Lateral Supracondylar Ridge of Humerus
336
Brachioradialis Insertion
Lateral Styloid Process of Radius
337
Brachioradialis Innervation
Radial Nerve
338
Brachioradialis Action
Flexes Semiprone Forearm
339
Extensor Carpi Radialis Longus Origin
Lower 1/3 of Lateral Supracondylar Ridge of Humerus
340
Extensor Carpi Radialis Longus Insertion
Base of 2nd Metacarpal
341
Extensor Carpi Radialis Longus Innervation
Radial Nerve
342
Extensor Carpi Radialis Longus Action
Extend & Abduct Wrist
343
Extensor Carpi Radialis Brevis Origin
Lateral Epicondyle of Humerus
344
Extensor Carpi Radialis Brevis Insertion
Base of 3rd Metacarpal
345
Extensor Carpi Radialis Brevis Innervation
Deep Branch of Radial Nerve
346
Extensor Carpi Radialis Brevis Action
Assists Extensor Carpi Radialis Longus to Extend Wrist
347
Extensor Digitorum Origin
Lateral Epicondyle of Humerus via Common Extensor Tendon
348
Extensor Digitorum Insertion
Dorsal Digital Expansions of Medial 4 Digits
349
Extensor Digitorum Innervation
Posterior Interosseous Nerve
350
Extensor Digitorum Action
Extend Metacarpophalangeal and Interphalangeal Joints
351
Extensor Digiti Minimi Origin
Medial Belly of Extensor Digitorum
352
Extensor Digiti Minimi Insertion
Dorsal Digital Expansion of 5th Digit via 1 or 2 Tendons
353
Extensor Digiti Minimi Innervation
Posterior Interosseous Nerve
354
Extensor Digiti Minimi Action
Assists Extensor Digitorum at 5th Digit
355
Extensor Carpi Ulnaris Origin
Lateral Epicondyle of Humerus
356
Extensor Carpi Ulnaris Insertion
Medial Side of Base of 5th Metacarpal
357
Extensor Carpi Ulnaris Innervation
Posterior Interosseous Nerve
358
Extensor Carpi Ulnaris Action
Extend and Adduct Wrist
359
Supinator Origin
Lateral Epicondyle of Humerus, Radial Collateral Ligament, Supinator Crest of Ulna
360
Supinator Insertion
Lateral Surface of Proximal 1/3 of Radius
361
Supinator Innervation
Deep Branch of Radial Nerve
362
Supinator Action
Supinate Forearm
363
Abductor Pollicis Longus Origin
Posterior Surface of Radius, Ulna & Interosseous Membrane
364
Abductor Pollicis Longus Insertion
Base of 1st Metacarpal & Trapezium
365
Abductor Pollicis Longus Innervation
Posterior Interosseous Nerve
366
Abductor Pollicis Longus Action
Abduct and Extend Thumb
367
Extensor Pollicis Brevis Origin
Posterior Surface of Radius & Interosseous Membrane
368
Extensor Pollicis Brevis Insertion
Base of Proximal Phalanx of Thumb
369
Extensor Pollicis Brevis Action
Extend Thumb at Metacarpophalangeal Joint
370
Extensor Pollicis Longus Origin
Posterior Shaft of Ulna & Interosseous Membrane
371
Extensor Pollicis Longus Insertion
Base of Distal Phalanx of Thumb
372
Extensor Pollicis Longus Innervation
Posterior Interosseous Nerve
373
Extensor Pollicis Longus Action
Extent Thumb at Interphalangeal and Metacarpophalangeal Joints
374
Extensor Indicis Origin
Posterior Surface of Ulna & Posterior Surface of Interosseous Membrane
375
Extensor Indicis Insertion
Dorsal Digital Expansion of Index Finger
376
Extensor Indicis Innervation
Posterior Interosseous Nerve
377
Extensor Indicis Action
Extends Index Finger
378
Anatomical Snuff Box Medial Border
Extensor Pollicis Longus
379
Anatomical Snuff Box Lateral Border
Extensor Pollicis Brevis & Abductor Pollicis Longus
