Ch 50 Summarized Musculature of the UL Flashcards
(107 cards)
1
Q
Muscles of the Pectoral Region
A
Pec major
pec minor
serratus anterior
2
Q
Action of pec major
A
adduct, medially rotate and flex arm at shoulder
3
Q
innervation of pec major
A
medial pectoral nerve
lateral pectoral nerve
4
Q
action of pectoralis minor
A
depress scapula
5
Q
innervation of pectorals minor
A
medial pectoral nerve
6
Q
action of serratus anterior
A
upward rotation of the scapula
7
Q
Innervation of serratus anterior
A
long thoracic nerve
8
Q
Muscles of the shoulder
A
Deltoid Supraspinatus Infraspinatus Teres minor Subscapularis Teres major
9
Q
Rotator Cuff Muscles
A
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
10
Q
Action of Deltoid
A
Flex, extend, medially and laterally rotate, and abduct the arm at the shoulder
11
Q
Innervation of deltoid
A
axillary nerve
12
Q
Action of supraspinatus muscle
A
abduct the arm at the shoulder
13
Q
innervation of supraspinatus muscle
A
suprascapular nerve
14
Q
action of infraspinatus muscle
A
lateral rotation of the arm at the shoulder
15
Q
innervation of the infraspinatus muscle
A
suprascapular nerve
16
Q
action of teres minor
A
lateral rotation of the arm at the shoulder
17
Q
innervation of teres minor
A
axillary nerve
18
Q
action of subscapularis
A
medial rotation of the arm at the shoulder
19
Q
innervation of subscapularis
A
upper and lower subscapular nerves
20
Q
action of the teres major muscles
A
adduct and medially rotate the arm at the shoulder
21
Q
innervation off the teres major muscle
A
lower subscapular nerve
22
Q
muscles of the arm
A
Triceps brachii
Biceps brachii
Coracobrachialis
Brachialis
23
Q
The triceps brachii consists of a
A
long head
lateral head
medial head
24
Q
action of the triceps brachii
A
extend forearm at elbow
25
innervation of triceps brachii
radial nerve
26
the biceps brachii consists of a
long head
| short head
27
action of biceps brachii
flex and supinate forearm at elbow
28
innervation of biceps brachii
musculocutaneous nerve
29
action of coracobrachialis
flex arm at shoulder
30
innervation of coracobrachialis
musculocutaneous nerve
31
action of the brachialis muscle
flex forearm at the elbow
32
innervation of brachialis
musculocutaneous
33
Anterior Superficial Forearm Muscles
Pronator Teres
Flexor Carpi Radialis
Palmaris Longus
Felxor Carpi Ulnaris
34
action of pronator teres
pronate forearm at elbow
35
innervation of pronator teres
median nerve
36
action of flexor carpi radialis
flex and abduct hand at wrist
37
innervation of flexor carpi radialis
median nerve
38
action of palmaris longs muscle
flex hand at wrist
39
innervation of palmaris longus
median nerve
40
action of flexor carpi ulnaris
flex and adduct hand at wrist
41
innervation of flexor carpi ulnas
ulnar nerve
42
Anterior Intermediate Forearm Muscles
Flexor digitorum superficialis
43
action of flexor digitorum superficialis
flex digits 2-5
44
innervation of flexor digitorum superficialis
median nerve
45
Anterior Deep Forearm Muscles
Flexor pollicis longus
Flexor digitorum profundus
Pronator Quadratus
46
Action of flexor pollicis longus
flex thumb
47
innervation of flexor pollicis longus
AIN
48
action of flexor digitorum profundus
flex digits 2-5
49
innervation of flexor digitorum profundus
AIN
| Ular nerve
50
Action of pronator quadratus
pronate hand at wrist
51
Innervation of pronator quadratus
AIN
52
Posterior Superficial Forearm Muscles
```
Brachioradialis
Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris
Anconeus
```
53
Action of brachioradialis
flex forearm at elbow
54
innervation of brachioradialis
radial n
55
action of extensor carpi radialis longus
extend and abduct hand at wrist
56
innervation of extensor carpi radialis longus
radial nerve
57
action of extensor carpi radialis brevis
extend and abduct hand at wrist
58
innervation of extensor carpi radialis brevis
deep branch of radial nerve
59
action of extensor digitorum
extend digits 2-5
60
innervation of extensor digitorum
PIN
61
action of extensor digiti minimi
extend digit 5
62
innervation of extensor digiti minimi
PIN
63
action of extensor carpi ulnaris
Extend and adduct hand at wrist
64
innervation of extensor carpi ulnaris
PIN
65
action of Aconeus
extend forearm at elbow
66
innervation of anconeus
radial nerve
67
posterior deep forearm muscles
```
supinator
abductor pollicis longus
extensor pollicis brevis
extensor pollicis longus
extensor indicis muscle
```
68
action of supinator
supinate forearm at elbow
69
innervation of supinator muscle
PIN
70
action of abdutor pollicis longus
abduct thumb
71
innervation of abductor polliicis longus
PIN
72
action of extensor pollicis brevis
extend thumb
73
innervation of extensor pollicis brevis
PIN
74
action of extensor pollicis longus (hockey stick)
extend thumb
75
innervation of extensor pollicis longus
PIN
76
action of extensor indicis
extend index finger
77
innervation of extensor indicis
PIN
78
Groups of hand muscles
Thenar
Hypothenar
Small hand muscles
79
Thenar muscles of the hand
A\bductor pollicis brevis
Flexor pollicis brevis
Opponens pollicis
Adductor Pollicis
80
Hypothenar muscles of the hand
Abductor digiti minimi
Flexor digiti minimi brevis
Opponens digiti minimi
Palmaris brevis
81
Small hand muscles
Lubricals 1-4
Dorsal interossei 1-4
Palmar interossei 1-4
82
Muscles innervated by the medial pectoral nerve
pectoralis major
| pectoralis minor
83
muscles innervated by axillary nerve
deltoid
| teres minor
84
muscles innervated by suprascapular nerve
supraspinatus
| infraspinatus
85
muscles innervated by lower subscapular
subscapularis
| teres major
86
Muscles innervated by radial nerve
triceps brachii
brachioradialis
extensor carpi radialis longus
anconeus
87
muscles innervated by musculocutaneous nerve
biceps brachii
coracobrachialis
brachials
88
Muscles innervated by median nerve
Pronator teres
Flexor carpi tadialis
Palmaris longus
Flexor digitorum superficialis
89
Muscles innervated by ulnar nerve
Flexor carpi ulnaris
| Flexor digitorum profundus
90
Muscles innervated by AIN
Flexor pollicis longus
Flexor digitorum profundus
Pronator quadratus
91
Muscles innervated by PIN
```
Extensor Digitorum
Extensor digiti minimi
Extensor carpi ulnaris
Supinator
Abductor Pollicus Longus
Extensor pollicis brevis
Extensor pollicis longus
extensor indicis
```
92
muscles that flex hand at wrist (3)
Flexor carpi radialis
Palmaris longus
Flexor carpi ulnaris
93
muscles that adduct hand at wrist
flexor carpi ulnaris
| extensor carpi ulnaris
94
muscles that abduct hand at the wrist
flexor carpi radialis
extensor carpi radialis longus
extensor carpi radialis brevis
95
muscles that flex digits 2-5
flexor digitorum superficialis
| flexor digitorum profundus
96
muscles that flex digit 5
flexor digitorum superficialis
| flexor digitorum profundus
97
muscles that extend hand at wrist
extensor carpi radialis longus
extensor carpi radialis brevis
extensor carpi ulnaris
98
muscles that extend digit 5
extensor digiti minimi
| extensor digitorum
99
muscles that extend thumb
extensor pollicis brevis
| extensor pellicis longus
100
muscles that adduct the arm at the shoulder
pec major
| teres major
101
muscles that medially rotate arm at the shoulder
pectoralis major
deltoid
subscapularis
teres major
102
muscles that flex arm at shoulder
pec major
coracobrachials
deltoid
103
laterally rotate arm at the shoulder
infraspinatus
teres minor
deltoid
104
abduct arm at shoulder
suprasinatus
| deltoid
105
muscles that extend forearm at elbow
triceps brachii
| anconeus
106
muscles that flex forearm at elbow
biceps brachii
brachialis
brachioradialis
107
muscles that supinate forearm at elbow
biceps brachii
| supinator
