Muscles Of Te Upper Limb Flashcards
(191 cards)
1
Q
Name the 5 muscles attached to the clavicle?
A
Pectoralis major Pectorals minor Subclavius Deltoid Trapezius
2
Q
Origin point of pectorals major?
A
Anterior of clavicle and sternum and ribs
3
Q
Insertion of the pectorals major?
A
Lateral inter tubercular groove of humerus
4
Q
Nerve supply of pectorals major
A
Medial and lateral pectoral nerve
5
Q
Action of the pectoralis major
A
Adduction, medial rotation
6
Q
What the origin pectoralis minor?
A
3-5 rib
7
Q
What is the insertion point for the pectoralis minor?
A
Coracoid process
8
Q
What is the nerve supply for the pectoralis minor?
A
Medial pectoral nerve
9
Q
Action of pectoralis minor?
A
Stabilizes the scapula.
10
Q
What is the origin of the subclavius muscle?
A
1st costal cartilage
11
Q
Insertion point of the the subclavius muscle?
A
Inferior surface of the clavicle
12
Q
Nerve supply of the subclavius muscle?
A
Nerve to subclavius
13
Q
Action of the subclavius
A
Depression of the scapula
14
Q
What is the origin of the deltoid muscle?
A
Spine of the scapula, lateral 1/3 of clavicle, acromion
15
Q
Insertion for the deltoid muscle
A
Deltoid tuberosity
16
Q
Actions of the deltoid music
A
Flexion, medial rotation, abduction, extension, lateral rotation.
17
Q
Nerve supple of the deltoid muscle?
A
Axillary nerve
18
Q
What is the point of origin for trapezius muscle?
A
Superior nuchal line external occipital protuberance
Nuchal ligament
Spinous processes of c7 to c12
19
Q
What is the insertion point for the trapezium muscle?
A
Iposterior border of the lateral third of the clavicle, acromion process, and spine of scapula
20
Q
What is the nerve supply of the trapezius muscle?
A
Accessory muscle
21
Q
What are the muscles attached to the scapula?
A
Lattissmus Dorsi Lector scapulae Rhomboid major and minor Supra spinatus Infra spinatus Subscapularis Teres major Teres minor J
22
Q
What is the origin of the lattismus dorsi? Hint 5 points
A
Iliac crest, lumbar fascia, supine of the lower six thoracic vertebrae, inferior angle of scapula
23
Q
Insertion point if lattismus dorsi?
A
Floor of bicipital groove of humerus.
24
Q
Nerve supply of lattismus dorsi?
A
Thoraco dorsal nerve
25
Action of lattismus dorsi?
Extension, addicts, medially rotates the arm.
26
What is the origin of the levator scapulae?
Transverse process of 1-4 cervical vertebrae
27
What is the insertion of levator scapulae?
Medial border off scapula
28
What is the nerve supply of levator scapulae?
C 3,4,4
29
What is the action of the levator scapulae?
Medial border of the scapula.
30
What the point of origin for the rhomboid minor?
Liagentum nuchae, and the spines of the 7th cervical and 1st thoracic vertebrae
31
What is the insertion of rhombus minor?
Medial border of scapula
32
What is the nerve supply of Rhombus minor?
Dorsal scapular nerve
33
What is the action of rhombus minor?
Raises the medial border of scapula upward and medially.
34
What is the origin of the rhombus major?
Second to 5th thoracic spines
35
What is the insertion point of the rhombus major?
Medial border of scapula
36
What is the nerve supply of the rhombus major?
Dorsal scapular muscle
37
What is the action of the rhombus major?
Raises medial border of scapula.
38
What is the origin of Supra spinatus?
Supra supinous fossa
39
What is the insertion of the supra spinatus ?
Greater tuberosity of humerus
40
What is the nerve supply of supra spinatus?
Supra scapular nerve
41
What is the action of supra spinatus muscle?
Abducts arm, stablises arm
42
What is the origin of infra spinatus muscle?
Infraspinatus fossa
43
What is the insertion point of the infra spinatus fossa?
Greater tuberosity of humerus
44
What is the nerve supply of the infra spinatus muscle?
Supra scapular nerve
45
What is the action of infra spinatus muscle?
Lateral rotates the shoulder joint
46
What is the origin of the subscapularis muscle?
Subscapularis fossa
47
What is the insertion of the subscapularis ?
Lesser tuberosity
48
What is the nerve supply of the subscapularis muscles?
Upper and lower subscapularis nerve.
49
What is the action of subscapularis ?
Medially rotates the arm
50
What is the origin of the teres major?
Lower third of the lateral border of scapula
51
What is the insertion for the teres major?
Medial lip of bicipital groove
52
What is the nerve supply for the teres major ?
Lower sub scapular nerve
53
What is the action of the teres major?
Medial rotation, adducts the arm
54
What is the origin for the teres minor?
Upper 2/3 of the lateral border of scapula
55
What is the insertion for teres minor?
Greater tuberosity of humerus
56
What is the nerve supply of teres major?
Axillary nerve
57
What is the action of the teres minor?
Lateral rotation, stabilizes the shoulder joint.
58
What is the origin for the biceps brachii long head?
Supra glenoid tubercle of scapula
59
What is the insertion for biceps brachi long head?
Radial tuberosity
60
What is the nerve supply for the biceps brachii long head?
Musculocutaneous nerve
61
What is the action of the biceps brachii long head?
Supination, flexion of arm, flexion of fore arm
62
What is the origin of the biceps brachii short head?
Coracoid process of scapula
63
What is the insertion of biceps brachii short head?
Radial tuberosity
64
What is the nerve supply of biceps brachii short head?
Musculocutaneous nerve
65
What is the action of biceps brachii short head?
Supination, flexion of arm, flexion of fore arm.
66
What is the origin of coracobrachialis?
Coracoid process of scapula
67
What is the insertion of the coracobrachialis ?
Shaft if humerus
68
What is the nerve supply of the coracobrachialis ?
Musculocutaneous nerve
69
What is the action of the coracobrachialis ?
Flexion of arm
70
What is the origin of brachialis?
Front of lower half humerus
71
What is the insertion of the brachialis ?
Coronoid process of ulna
72
What is the nerve supply of the brachialis?
Musculocutaneous
73
What is the action of brachialis?
Flexion of elbow
74
What are the muscles on the anterior compartment?
Biceps brachii
Coracobrachialis
Brachialis
75
What are the muscles on the posterior compartment?
Long head of triceps
Lateral head
Medial head
76
What is the origin of the long head of triceps?
Infra glenoid tubercle
77
What is the insertion for the long head of triceps ?
Olecranon process of ulna
78
What is the nerve supply of long head of triceps?
Radial nerve
79
What is the action of the long head of triceps?
Extension of the elbow
80
What is the origin of the lateral head of triceps?
Posterior surface of the shaft of the humerus.
81
What is the insertion of the lateral head of the triceps?
Olecranon process of ulna
82
What is the action of the lateral head of the triceps?
Extension of the elbow
83
What is the origin of the medial head of the triceps ?
Posterior surface of the shaft of the humerus
84
What is the insertion for the medial head of triceps?
Olecranon process of the ulna
85
What the nerve supply of the medial head of the triceps?
Radial nerve.
86
What is the action of the medial head of the triceps?
Extension of the medial head
87
What are the flexor muscles in the shoulder
Biceps brachii
| Anterior fibres of deltoid
88
Extensors
Lattismus dorsi
Triceps
Posterior fibres of deltoid
89
What are the abductors of the shoulder?
Supraspinatus 0-15 degrees
Medial fibres of deltoid 15-90 degrees
Trapezius, levator scapulae- over head abduction
90
What are the adductors?
Pectoralis major
Latissimus dorsi
Triceps long head
91
Medial rotators
Pectoralis major
Anterior fibres of deltoid
Sub scapularis
Teres major
92
Lateral rotators
Intraspinatus
Supra spinatus
Teres minor
Posterior fibres of deltoid
93
Movement at elbow joint : flexion
Brachialis , biceps brachii
94
Movement at elbow : extension
Triceps, anceoneus
95
What is the origin of the probate teres?
Medial epicondyle of humerus
96
What is the insertion of pronation teres?
Lateral aspect of shaft of the radius.
97
What is the nerve supply of pronator teres?
Median nerve
98
What is the action of pronator teres?
Pronation and flexion of the elbow joint
99
What is the origin of flexor carpi radialis?
Medial epicondyle of humerus
100
What is the insertion of the flexor carpi radialis?
2nd and 3rd metacarpal
101
What is the nerve supply of the flexor Capri radialis
Median nerve
102
What is the action of the flexor Capri radialis?
Flexion and abduction of the wrist.
103
What the origin of the palmarislongis?
Medial epicondyle of humerus
104
What is the insertion of the palmaris longis?
Flexor retinaculum
105
What is the nerve supply of the palmaris longus?
Median nerve
106
What is the action of the palmaris longus?
Flexion at joints.
107
What is the origin of the flexor carpi ulnaris?
Medial epicondyle of humerus
108
What is the insertion of the flexor carpi ulnaris?
Pisiform bone hook of humate, 5 th meta carpal
109
What is the nerve supply of the flexor carpi ulnaris?
Flexion abduction of the wrist
110
Wha is the origin of the flexor digitorum superficialis?
Medial epicondyle of humerus
111
What is the insertion of the flexor digitorum superficialis ?
Middle phalanx, medial 4 fingers.
112
What is the nerve supply of the flexor digitorum superficialis?
Medial nerve
113
What is the origin of the flexor pollics Ionus
Anterior surface if the shaft of the radius
114
What is the insertion of the flexor pollics lonus
Distal phalanx of thumb
115
What is the nerve supply of the flexor pollics lonus?
Median nerve. Anterior interosseous nerve
116
What is the action of the flexor pollics lonus?
Flexor distal phalanx of thumb.
117
What is the origin of the flexor digitorum profundus
Shaft of ulna
118
What is the insertion of the flexor digitorum profundus?
Distal phalanx
119
What is the nerve supply of the flexor digitorum profundus?
Ulnar, medial nerve
120
What is the action of the flexor digitorum profundus?
Flexes the distal phalanx
121
What is the origin of pronator quadratic ?
Anterior shaft of ulnar
122
What is insertion of the pronator quadratus ?
Anterior shaft of ulnar.
123
What is the nerve supply of the pronator quadratic ?
Median anterior interosseous nerve.
124
What is the action of the pronator quadratus?
Pronator the forearm
125
What is the origin of brachioradialis ?
Lateral supra condylar ridge
126
What is the insertion of the brachioradialis?
Base of the styloid processor the radius
127
What is the nerve supply of the brachioradialis?
Radial nerve
128
What is the action of the brachioradialis?
Flexion at forearm, mid prone position.
129
What is the origin of the extensor carpi radilis longus?
Lateral supra condylar ridge
130
What is the insertion point of the extensor carpi radilus longus?
Base of second metacarpal
131
What is the nerve supply of the extensor carpri radilus longus?
Radial nerve
132
What is the action of the extensor carpi radilis longus?
Extend, abducts the wrist
133
What is the movement at the radioulnar junction?
Supination and pronation
134
What are the muscles that are responsible for supination of the elbow?
Biceps brachii ,supinato
135
What are the muscles responsible for pronation?
Pronator teres
| Pronator quadratus
136
What is the origin of the extensor carpi radialis brevis?
Lateral epicondyle
137
What is the insertion of the extensor carpi radialis brevis
Base of the third meta carpal
138
What is the nerve supply of the extensor carpi radialis?
Radial nerve
139
What is the action of the extensor carpi radialis brevis?
Extension , abduction
140
What is the origin of the extensor digitorum?
Lateral epicondyle
141
What is the insertion of the extensor digitorum?
Middle, distal phalanx
142
What is the nerve supply of the extensor digitorum?
Radial nerve
143
What is the action of the extensor digitorum?
Extends finger and wrist
144
What is the origin of the extensor digiti minimi?
Lateral epicondyle
145
What is the insertion of the extensor digiti minimi?
Extensor expansion of little finger
146
What is the nerve supply of the extensor digiti minimi
Radial nerve
147
What is the action of the extensor digiti minimi?
Extension of the little finger
148
What is the origin of the extensor carpi ulnaris?
Lateral epicondyle
149
What is the insertion of the extensor carpi ulnaris?
Base of the 5 th meta carpal
150
What is the nerve supply of the extensor carpi ulnaris
Radial nerve
151
What is the action of the extensor carpi ulnaris?
Extends and adducts the wrist joint
152
What is the origin of the anceoneus?
Lateral epicondyle
153
What is the insertion of the anconeous?
Olecranon process
154
What is the nerve supply of the anconeous ?
Radial nerve
155
What is the action of the anconeous?
Extension of the elbow
156
What is the origin of the supinator?
Lateral epicondyle
157
What is the insertion of the supinator?
Supinator crest on radius
158
What is the nerve supply of the supinator.
Radial nerve
159
What is the action of the supinator?
Supination of the arm
160
What is the origin of abductor pollics longus?
Shaft of radius and ulnar
161
What is the insertion of the abductor pollics longus?
1st meta carpal bone
162
What is the nerve supply of the abductor pollics longus?
Radial nerve
163
What is the action of the abductor pollics longus?
Abducts &extends
164
What's the origin of Extensor pollicis brevis & longus
Posterior surface of radius & ulna
165
What's the insertion of the extensor pollics brevis and longus?
Phalanx of thumb
166
What is the nerve supply of the extensor pollics and longus
Radial nerve
| .
167
What's the action of the extensor pollics brevis and longus?
Extends metacarpo phalangeal joint
168
What is the origin of the extensor indicis?
Shaft of ulna
169
What is the insertion of the extensor indicis?
Extensor expansion of index finger
170
What is the blood supply of the extensor indicis?
Radial nerve
171
What is the action of the extensor indicis
Extension of the metacarpophageal joint
172
What are the movements at the wrist joint?
Flexion
Extension
Abduction
Adduction
173
What are muscles involved in flexion of the wrist joint?
```
FLEXION
Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus
Flexor digitorum longus
Flexor digitorum profundus
Abductor pollicis longus
```
174
What are the muscles involved in extension of the wrist joint?
Extensor carpi radialis
Extensor carpi ulnaris
Long extensors of the fingers
175
What is the origin of lumbricals?
Tendons of flexor digitorum profundus
176
What is the insertion of the lumbralis?
Extensor expansion
177
What is the nerve supply of lumbricals ?
Lateral 2-median nerve,
178
What is the action of the lumbricals?
Medial 2– ulnar nerve
179
What is the origin of the interossei/ palmar?
Base of first metacarpals
180
What is the insertion for interossei/ palmar?
Proximal phalanges
181
What is the nerve supply for interossei
Ulnar nerve
182
What is the action of the interossei/ palmar
adducts the finger
183
What is the origin for dorsal interossei?
Dorsal Interossei
184
What is the insertion for the dorsal interossei?
Shaft of the meta carpal
185
What is the nerve supply of the dorsal interossei
Ulnar nerve
186
What is the action of the dorsal interossei
Abducts the fingers
187
Flexion of the thumb
FLEXION
Flexor pollicis longus
Opponens pollicis
188
Extension of the thumb
EXTENSION
Extensor pollicis longus
Extensor pollicis brevis
abductor pollicis brevis
189
Abduction of the thumb
ABDUCTION
Abductor pollicis brevis
Abductor pollicis longus
190
Adduction of the thumb
ADDUCTION
| Adductor pollicis
191
ACTION OF LUMBRICALS
Flexion of the metacarpo phalangeal joints
| Extension of Interphalangeal joints
