Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

exci 253 tag 1 > lab 2+3 > Flashcards

lab 2+3 Flashcards

(183 cards)

Start Studying
1
Q

what is the o of the pectoralis major m.?

A
  1. Clavicular head:
    medial clavicle
    2.Sternocostal head:
    Sternum and costal
    cartilages of ribs 2-6
    (sometimes ribs 1-7)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is the i of pec major m?

A

Greater tubercle
and lateral lip of
intertubercular
groove of
humerus

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

what is the action of pec major?

A

Flexion, adduction
& medial rotation
of humerus

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

what is the innervation of pec major?

A

Medial &
lateral pectoral
n.

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

what is the o of pec MINOR?

A

Ribs 2-5 (sometimes
3-5 or 2-4) near their
costal cartilages

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

what is the i of pec minor?

A

coracoid process of scapula

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

what is the action of pec minor

A

Abduction &
downward
rotations of
scapula; assists in
elevation of ribs
when pectoral
girdle is fixed

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

what is the innervation of pec minor?

A

medial pectoralis n

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

what is the o of subclavius?

A

1st rib

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

what is the i of subclavius?

A

subclavian groove of clavicle

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

what is the action of the subclavius?

A

depress clavicle

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

what is the innervation of subclavius?

A

subclavian n.

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

what is the o of serratus ant m?

A

ribs 1-8 (sometimes 1-9)

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

what is the i of serratus anterior?

A

medial border of inf angle of the scapula

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

what is the action of serratus ant?

A

abduction and upward rotation of the scapula(protraction)

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

what is the innervation of the serratus ant?

A

long thoracic n.

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

what is the o of serratus posterior sup?

A

lig nuchae, spinous processes of C7-T3

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

what is the insertion of serratus post sup?

A

superior border of ribs 2-4

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

what is the action of serratus post sup?

A

elevation of ribs

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

what is the innervation of serratus post sup?

A

2-5 intercostal n.

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

what is the origin of serratus post inf?

A

spinous processes of T11-L2 vertebrae

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

what is the insertion of serratus post inf?

A

inf border of ribs 8-12 near their angles

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

what is the action of serratus post inf?

A

depression of ribs

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

what is the innervation of serratus post inf?

A

9-12 thoracic spinal n.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
what is the origin of trapezius?
occipital bone, lig nuchae, spinous processes of C7-T12
26
what is the insertion of the trapezius?
lat 1/3 of clavicle, spine and acromion of scapula bone
27
what is the action of the superior fibres of the trapezius?
upward rotation of scapula; helps extend the head
28
what is the action of the middle fibres of the trapezius?
adduction of scapule(RETRACTION)
29
What is the action of the inf. fibres of the trapezius m?
depression and upward rotation of scapule
30
what is the innervation of the trapezius m?
CN XI(accessory) AND C3-C5
31
what is the origin of lat. dorsi?
spinous processes of T7-L5, sacral crest, iliac crest and inferior 4 ribs
32
what is the insertion of the latissimus dorsi?
floor of intertubercular groove of humerus
33
what is the insertion of the latissimus dorsi?
floor of the intertubercular groove of the humerus
34
what is the action of lat dorsi
extension, adduction, medial rotation of the humerus(use it's location to help)
35
what is the innervation of latissimus dorsi?
thoracodorsal n. (it's in the back/thorax region)
36
what is the origin of the levator scapula?
transverse processes of c1 and c4
37
what is the insertion of levator scapula?
upper 1/3 of medial border of scapula
38
what is the action of levator scapula?
elevation and downward rotation of scapula
39
what is the innervation of levator scapula?
dorsal scapula n. + cervical n. c3-c5
40
what is the origin of rhomboid major?
spinous process of t2-t5
41
what is the insertion of rhomboid major?
lower 1/3 of the medial border of scapula
42
what is the action of the rhomboid major?
elevation, adduction and downward rotation of scapula(STABILIZES SCAPULA)
43
what is the innervation of rhomboid major?
dorsal scapula n. (makes sense since its in the back and near/deals with scapula's)
44
what is the origin of rhomboid minor?
spinous processes of C7-t1 (higher than major)
45
what is the insertion of the rhomboid minor?
medial border of scapula superior to spine (sup to rhb major)
46
what is the action of the rhomboid minor?
elevation, adduction and downward rotation of scapula (stabilizes scapula) i.e if winging of scap focus on rhomboids to fix
47
what is the origin of the deltoid?
lat 1/3 of clavicle, acromion and spine of scapula
48
what is the insertion of the deltoid?
deltoid tuberosity of humerus
49
what is the action of the ant.fibers for the deltoid?
flexion and medial rotation of humerus
50
what is the action of the lat fibers of the deltoid?
abduction of humerus
51
what is the action of the post fibers of the deltoid?
extension and lateral rotation of the humerus
52
what is the innervation of the deltoid m.?
axillary n
53
what are the muscles that are part of the rotator cuff muscle group?
supraspinatus infraspinatus teres minor subscapularis
54
what is the purpose of the rotator cuff muscle group?
is to hold the head of the humerus in the glenoid fossa of the scapula
55
what is the origin of the supraspinatus?
supraspinous fossa of scapula
56
what is the insertion of the supraspinatus?
greater tubercle of humerus
57
what is the action of the supraspinatus?
assist deltoid muscle in abduction of the humerus at the joint jnt*
58
what is the innervation of the supraspinatus m?
suprascapular n
59
what is the origin of the infraspinatus m?
infraspinous fossa of the scapula
60
what is the insertion of the infraspinatus m?
the greater tubercle of the humerus
61
what is the action of the infraspinatus m?
lat rotation of the humerus at shoulder jnt
62
what is the innervation of the infraspinatus m?
suprascapular n
63
what is the origin of the teres minor?
inferior lateral border of scapula
64
what is the insertion of the teres minor m?
greater tubercle of the humerus
65
what is the action of teres minor m?
lateral rotation of the humerus at shoulder jnt.
66
what is the innervation of the teres minor m?
axillary n.
67
what is the origin of teres major m?
the inferior angle of the scapula
68
what is the insertion of the teres major m?
medial lip of intertubercular groove of humerus
69
what is the action of teres major?
extends and assists in adduction and medial rotation of humerus at shoulder jnt
70
what is the innervation of the teres major m?
lower subscapular n.
71
what is the origin of the subscapularis m?
subscapular fossa of the scapula
72
what is the insertion of the subscapularis m?
lesser tubercle of humerus
73
what is the action of the subscapularis m?
medial rotation of humerus at shoulder jnt.
74
what is the innervation of the subscapularis m?
upper/lower subscapular n.
75
what is the origin of the long head of the bicep brachii?
supraglenoid tubercle of scapula
76
what is the origin of the short head of the bicep brachii?
coracoid process of scapula
77
what is the insertion of the bicep brachii?
radial tuberosity of radius and deep fascia of forearm vial bicipital aponeurosis
78
what is the action of the bicep brachii?
flexion of forearm at elbow joint, supination of forearm at radioulnar jnt, flexion of humerus at shoulder jnt
79
what is the innervation of bicep brachii?
musculocutaneous n.
80
what is the origin of the brachialis?
distal ant. surface of humerus
81
what is the insertion of the brachialis?
ulnar tuberosity and coronoid process of ulna
82
what is the action of the brachialis?
flexion of the forearm at elbow jnt.
83
what is the innervation of the brachialis?
musculocutaneuous n and radial n
84
what is the origin of coracobrachialis?
coracoid process of scapula
85
what is the insertion of coracobrachialis?
middle 1/3 of medial surface of shaft of humerus
86
what is the action of coracobrachialis?
flexion and adduction of the humerus at shoulder jnt
87
what is the innervation of coracobrachialis m?
musculocutaneous n
88
what is the origin of the long head of the tricep brachii?
infraglenoid tubercle of scapula
89
what is the origin of the lateral head of the tricep brachii?
lateral and posterior surface of humerus above radial groove
90
what is the origin of the lateral head of the tricep brachii?
the lateral and posterior surface of the humerus above the radial groove
91
what is the insertion of the triceps brachii?
olecranon process of ulna
92
what is the action of the triceps brachii m group?
extension of humerus at shoulder jnt, and extension of forearm at elbow jnt
93
what is the innervation of triceps brachii?
radial n.
94
what is the origin of the brachioradialis?
lateral border of distal end of humerus
95
what is the insertion of brachioradialis?
superior to styloid process of radius
96
what is the action of the brachioradialis?
flexion of forearm at elbow jnt
97
what is the innervation of the brachioradialis?
radial n
98
what is the origin of pronator teres m?
medial epicondyle of humerus and coronoid process of ulna
99
what is the insertion of the pronator teres m?
mid-lateral shaft of radius
100
what is the action of pronator teres?
pronation of forearm at radioulnar jnt and flexion and flexion of the forearm at elbow joint
101
what is the innervation of the pronator teres m?
medial n.
102
what is the origin of the flexor carpi radialis?
medial epicondyle of humerus
103
what is the insertion of flexor carpi radialis
base of 2nd and 3rd metacarpal
104
what is the action of the flexor carpi radialis?
flexion and abduction(radial deviation) of hand at wrist jnt
105
what is the innervation of flexor carpi radialis?
median n.
106
what is the origin of palmaris longus?
medial epicondyle of humerus
107
what is the insertion of palmaris longus?
flexor retinaculum and palmar aponeurosis
108
what is the action of palmaris longus?
tense palmar aponeurosis, flexion of hand at wrist jnt,
109
what is the innervation of the palmaris longus?
median n.
110
what is the origin of flexor carpi ulnaris?
medial epicondyle of humerus
111
what is the insertion of the flexor carpi ulnaris?
pisiform, hook of hamate and base of 5th metacarpal
112
what is the action of flexion carpi ulnaris?
flexion and adduction(ulnar deviation) of hand at wrist jnt
113
what is the innervation of flexor carpi ulnaris?
ulnar n.
114
what is the origin of flexor digitorum superficialis?
medial epicondyle of humerus, proximal radius and ulna
115
what is the insertion of flexor digitorum superficialis?
middle phalanx of digits 2-5
116
what is the action of flexor digitorum superficialis?
flexion of middle phalanges of digits 2-5, flexion of hand at wrist
117
what is the innervation of flexor digitorum superficialis?
median n.
118
what is the origin of flexor digitorum profundus?
ant medial surface of shaft of ulna and interosseous membrane
119
what is the insertion of flexor digitorum profundus?
base of distal phalanges of digits 2-5
120
what is the action of flexor digitorum profundus?
flexion of distal phalanges of digits 2-5 and flexion of hand at wrist jnt
121
what is the innervation of flexor digitorum profundus?
median and ulnar n
122
what is the origin of flexor pollicis longus
ant surface of radius and interosseous membrane
123
what is the insertion of flexor pollicis longus
base of distal phalanx of thumb
124
what is the action of flexor pollicis longus?
flexion of distal phalanx of thumb
125
what is the innervation of flexor pollicis longus?
median n.
126
what is the origin of the pronator quadratus?
distal shaft of ulna
127
what is the insertion of the pronator quadratus?
distal shaft of radius
128
what is the action of the pronator quadratus?
pronation of forearm at radioulnar jnt
129
what is the innervation of pronator quadratus?
median n.
130
what is the origin of extensor carpi radialis longus?
lateral supracondylar ridge of humerus
131
what is the insertion of extensor carpi radialis longus?
base of 2nd metacarpal
132
what is the action of extensor carpi radialis longus
extension and abduction of hand at wrist jnt
133
what is the innervation of extensor carpi radialis longus?
radial n.
134
what is the origin of extensor carpi radialis brevis?
lateral epicondyle of humerus
135
what is the origin of extensor carpi radialis brevis?
base of 3rd metacarpal
136
what is the action of extensor carpi radialis brevis?
extension and abduction of hand at wrist jnt
137
what is the innervation of extensor carpi radialis brevis?
radial n.
138
what is the origin of the extensor digitorum?
lateral epicondyle of the humerus
139
what is the insertion of extensor digitorum?
middle and distal phalanges of digits 2-5
140
what is the action of extensor digitorum?
extension of digits 2-5 and extension of hand at wrist
141
what is the innervation of extensor digitorum?
radial n.
142
what is the origin of extensor digiti minimi
lateral epicondyle of humerus
143
what is the insertion of extensor digiti minimi?
tendon of extensor digitorum on 5th phalanx
144
what is the action of extensor digiti minimi?
extension of 5th digit(pinky)
145
what is the innervation of extensor digiti minimi?
radial n.
146
what is the origin of the extensor carpi ulnaris?
lateral epicondyle of humerus and post. border of ulna
147
what is the insertion of extensor carpi ulnaris?
base of 5th metacarpal
148
what is the insertion of extensor carpi ulnaris?
base of 5th metacarpal
149
what is action of extensor carpi ulnaris?
extension and adduction(ulnar deviation) of hand at wrist jnt.
150
what is the innervation of extensor carpi ulnaris?
radial n.
151
what is the origin of anconeus?
lateral epicondyle of humerus
152
what is the insertion of anconeus?
olecranon of ulna
153
what is the action of the anconeus?
extension of forearm at elbow jnt.
154
what is the innervation of anconeus?
radial n.
155
what is the origin of the supinator?
lateral epicondyle of humerus
156
what is the insertion of supinator?
lateral proximal 1/3 of radius
157
what is the action of supinator?
supination of forearm at radio-ulanr jnt
158
what is the innervation of supinator?
radial n.
159
what is the abductor pollicis longus?
post middle surface of radius and ulna and interosseus membrane
160
what if the insertion of the abductor pollicis longus?
base of 1st metacarpal
161
what is the action of abductor pollicis longus
abduction and extension of thumb and abduction of hand at wrist jnt.
162
what is the innervation of abductor pollicis longus
radial n.
163
what is the origin of extensor pollicis brevis?
post. middle surface of radius and interosseus membrane
164
what is the insertion of extensor pollicis brevis
base of proximal phalanx of thumb
165
what is the action of extensor pollicis brevis?
Extension of proximal phalanx of thumb, extension of 1st metacarpal & abduction of hand at wrist jnt.
166
what is the innervation of extensor pollicis brevis?
radial n.
167
what is the origin of extensor pollicis longus?
Posterior middle surface of ulna & interosseous membrane
168
what is the insertion of extensor pollicis longus?
Base of distal phalanx of thumb
169
what is the action of extensor pollicis longus?
Extension of distal phalanx of thumb, extension of 1st metacarpal and abduction of hand at wrist jnt.
170
what is the innervation of extensor pollicis longus?
radial n.
171
what is the origin of extensor indicis?
post middle surface of ulna and interosseous memebrane
172
what is the insertion of extensor indicis?
blends into tendon of extensor digitorum of 2nd digit
173
what is the action of extensor indicis?
extension of index finger and extension of hand at wrist jnt.
174
what is the innervation of extensor indicis?
radial n.
175
what is the innervation of extensor carpi ulnaris, anconeus and opponens pollicis?
median n.
176
what is the origin of adductor pollicis?
ulnar n.
177
what is the innervation of abductor digiti minimi, flexor digiti minimi brevie and opponents digiti minimi?
ulnar n.
178
what is the action of lumbricals?
flexion of metacarpophalangeal jnts and extension of interphalangeal jnts
179
what is the innervation of lumbricals?
1-2 median n 3-4 ulnar n.
180
what is the action of palmar interossei?
adduction of fingers
181
what is the innervation of the palmar interossei m.?
ulnar n.
182
what is the action of dorsal interossei?
abduction of fingers
183
what is the innervation of dorsal interossei?
ulnar n.

exci 253 tag 1 (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions