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Anatomy & Physiology I > The Muscular System - Upper Extremities > Flashcards

The Muscular System - Upper Extremities Flashcards

1
Q

Trapezius origin

A

occipital bone, spinous process of T1-12

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2
Q

Trapezius insertion

A

lateral clavicle, acromion, and scapular spine of scapula

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3
Q

Trapezius action

A

rotation, retraction, elevation, depression of scapula; extends neck and stabilizes shoulder

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4
Q

Trapezius innervation

A

Accessory nerve (Cranial Nerve 11)

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5
Q

Levator Scapulae origin

A

transverse process of C1-4

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6
Q

Levator Scapulae insertion

A

medial border of scapula

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7
Q

Levator Scapulae action

A

elevates scapula

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8
Q

Levator Scapulae innervation

A

dorsal scapular nerve

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9
Q

Rhomboids (major, minor) origin

A

spinous process (minor: C7-T1) (major: T2-5)

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10
Q

Rhomboids (major, minor) insertion

A

medial border of scapula

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11
Q

Rhomboids (major, minor) action

A

retraction of scapula

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12
Q

Rhomboids (major, minor) innervation

A

dorsal scapular nerve

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13
Q

Pectoralis minor origin

A

ribs 3-5

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14
Q

Pectoralis minor insertion

A

coracoid process of scapula

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15
Q

Pectoralis minor action

A

elevates ribs, draws scapula down and medially

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16
Q

Pectoralis minor innervation

A

medial pectoral nerve

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17
Q

Serratus Anterior origin

A

upper 8-9 ribs

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18
Q

Serratus Anterior insertion

A

medial border of scapula

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19
Q

Serratus Anterior action

A

protraction of scapula

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20
Q

Serratus Anterior innervation

A

long thoracic nerve

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21
Q

which 4 muscles are part of the shoulder girdle?

A

supraspinatus
infraspinatus
teres minor
subscapularis

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22
Q

Deltoid (anterior, posterior, middle) origin

A

clavicle and scapula

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23
Q

Deltoid (anterior, posterior, middle) insertion

A

deltoid tuberosity of humerus

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24
Q

Deltoid (anterior, posterior, middle) action

A

abduction at shoulder (whole muscle)

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25
Deltoid (anterior, posterior, middle) innervation
axillary nerve
26
Pectoralis major origin
ribs 2-6, body of sternum
27
Pectoralis major insertion
greater tubercle of humerus
28
Pectoralis major action
flexion, adduction and medial rotation at shoulder
29
Pectoralis major innervation
pectoral nerves
30
Supraspinatus origin
supraspinatus fossa of scapula
31
Supraspinatus insertion
greater tubercle of humerus
32
Supraspinatus action
abduction at the shoulder
33
Supraspinatus innervation
suprascapular nerve
34
Infraspinatus origin
infraspinatus fossa of scapula
35
Infraspinatus insertion
greater tubercle of humerus
36
Infraspinatus action
lateral rotation at shoulder
37
Infraspinatus innervation
suprascapular nerve
38
Teres minor origin
lateral border of scapula
39
Teres minor insertion
greater tubercle of humerus
40
Teres minor action
lateral rotation at shoulder
41
Teres minor innervation
axillary nerve
42
Teres major origin
inferior angle of scapula
43
Teres major insertion
intertubercular groove of humerus
44
Teres major action
extension, adduction, and medial rotation at shoulder
45
Teres major innervation
lower subscapular nerve
46
Subscapularis origin
subscapular fossa of scapula
47
Subscapularis insertion
lesser tubercle of humerus
48
Subscapularis action
medial rotation at the shoulder
49
Subscapularis innervation
subscapular nerves
50
Latissimus Dorsi origin
spinous process of inferior thoracic and lumbar vertebrae, ribs 8-12
51
Latissimus Dorsi insertion
intertubercular groove of humerus
52
Latissimus Dorsi action
extension, adduction, and medial rotation at shoulder
53
Latissimus Dorsi innervation
thoracodorsal nerve
54
Coracobrachialis origin
coracoid process of scapula
55
Coracobrachialis insertion
medial shaft of humerus
56
Coracobrachialis action
adduction and flexion at shoulder
57
Coracobrachialis innervation
musculocutaneous nerve
58
Biceps Brachii origin
short head - coracoid process, long head - supraglenoid tubercle of scapula
59
Biceps Brachii insertion
tuberosity of radius
60
Biceps Brachii action
flexion at elbow and shoulder; supination
61
Biceps Brachii innervation
musculocutaneous nerve
62
Brachialis origin
anterior/distal surface of humerus
63
Brachialis insertion
tuberosity of ulna
64
Brachialis action
flexion at elbow
65
Brachialis innervation
musculocutaneous nerve and radial nerve
66
Brachioradialis origin
lateral epicondyle of humerus
67
Brachioradialis insertion
lateral aspect of styloid process of radius
68
Brachioradialis action
flexion at elbow
69
Brachioradialis innervation
radial nerve
70
Triceps (long head, lateral head, medial head) origin
Lateral head - superior, lateral margin on humerus, long head - infraglenoid tubercle of scapula, medial head - posterior surface of humerus
71
Triceps (long head, lateral head, medial head) insertion
olecranon of ulna
72
Triceps (long head, lateral head, medial head) action
extension at elbow
73
Triceps (long head, lateral head, medial head) innervation
radial nerve
74
Pronator Teres origin
medial epicondyle of humerus
75
Pronator Teres insertion
mid-lateral surface of radius
76
Pronator Teres action
pronation
77
Pronator Teres innervation
median nerve
78
Supinator origin
lateral epicondyle of humerus
79
Supinator insertion
anterolateral surface of radius
80
Supinator action
supination
81
Supinator innervation
deep radial nerve
82
Flexor Carpi Radialis action
wrist flexion, radial deviation of the hand
83
Flexor Carpi Radialis innervation
median nerve
84
Palmaris Longus action
wrist flexion
85
Palmaris Longus innervation
median nerve
86
Flexor Carpi Ulnaris action
wrist flexion, ulnar deviation of the hand
87
Flexor Carpi Ulnaris innervation
ulnar nerve
88
Flexor Digitorum Superficialis (FDS) action
flexion of the wrist and digits 2-5 (middle and proximal phalanx)
89
Flexor Digitorum Superficialis (FDS) innervation
median nerve
90
Flexor Pollicis Longus action
flexion of thumb
91
Flexor Pollicis Longus innervation
median nerve
92
Flexor Digitorum Profundus (FDP) action
wrist flexion, flexion of digits 2-5 (distal phalanx)
93
Flexor Digitorum Profundus (FDP) innervation
palmar interosseous nerve
94
Extensor Carpi Radialis Longus action
extension, abduction of the wrist
95
Extensor Carpi Radialis Longus innervation
radial nerve
96
Extensor Carpi Radialis Brevis action
extension, abduction of the wrist
97
Extensor Carpi Radialis Brevis innervation
radial nerve
98
Extensor Digitorum action
wrist extension, extension of digits 2-5
99
Extensor Digitorum innervation
deep radial nerve
100
Extensor Digiti Minimi (digit 5) action
wrist extension, extension of digit 5
101
Extensor Digiti Minimi (digit 5) innervation
deep radial nerve
102
Extensor Carpi Ulnaris action
extension, adduction of the wrist
103
Extensor Carpi Ulnaris innervation
deep radial nerve
104
Abductor Pollicis Longus (APL) action
abduction of wrist and thumb
105
Abductor Pollicis Longus (APL) innervation
deep radial nerve
106
Extensor Pollicis Longus (EPL) action
thumb extension, wrist abduction
107
Extensor Pollicis Longus (EPL) innervation
deep radial nerve
108
Extensor Pollicis Brevis (EPB) action
thumb extension, wrist abduction
109
Extensor Pollicis Brevis (EPB) innervation
deep radial nerve
110
Extensor Indicis (EI) action
extension of wrist and digit 2
111
Extensor Indicis (EI) innervation
deep radial nerve

Anatomy & Physiology I (10 decks)

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