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anatomy > lab 3&4 muscles > Flashcards

lab 3&4 muscles Flashcards

(55 cards)

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1
Q

origin of biceps brachii

A

coracoid process and supraglenoid tubercle of scapula

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2
Q

insertion of biceps brachii

A

radial tuberosity of radius

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3
Q

action of biceps brachii

A

elbow flexion (primary when radioulnar joint is supinated); shoulder flexion; radioulnar joint supination

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4
Q

origin of brachialis

A

anterior-medial shaft of humerus

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5
Q

insertion of brachialis

A

coronoid process of ulna

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6
Q

action of brachialis

A

elbow flexion (primary when radioulnar joint is pronated)

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7
Q

origin of brachioradialis

A

lateral epicondyle of humerus

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8
Q

insertion of brachioradialis

A

lateral distal radius

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9
Q

action of brachioradialis

A

elbow flexion (primary when radioulnar joint is in neutral)

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10
Q

origin of triceps brachii

A

infraglenoid tubercle of scapula; posterior humerus

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11
Q

insertion of triceps brachii

A

olecranon process of ulna

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12
Q

action of triceps brachii

A

elbow and shoulder extension

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13
Q

origin of pronator teres

A

medial epicondyle of humerus

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14
Q

insertion of pronator teres

A

proximal 1/3 of radius

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15
Q

action of pronator teres

A

radioulnar joint pronation

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16
Q

origin of supinator

A

lateral epicondyle of humerus

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17
Q

insertion of supinator

A

proximal 1/3 of radius

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18
Q

action of supinator

A

radioulnar joint supination

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19
Q

origin of flexor carpi radialis

A

medial epicondyle of humerus

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20
Q

insertion of flexor carpi radialis

A

anterior surface of metacarpals 2-3

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21
Q

action of flexor carpi radialis

A

wrist flexion and radial deviation

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22
Q

origin of flexor carpi ulnaris

A

medial epicondyle of humerus

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23
Q

insertion of flexor carpi ulnaris

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A

pisiform; hamate; metacarpal 5

24
Q

action of flexor carpi ulnaris

Study These Flashcards
A

wrist flexion and ulnar deviation

25
origin of extensor carpi radialis longus
lateral epicondyle of humerus
26
insertion of extensor carpi radialis longus
posterior surface of metacarpal 2
27
action of extensor carpi radialis longus
wrist extension and radial deviation
28
origin of extensor carpi radialis brevis
lateral epicondyle of humerus
29
insertion of extensor carpi radialis brevis
posterior surface of metacarpal 3
30
action of extensor carpi radialis breves
wrist extension and radial deviation
31
origin of extensor carpi ulnaris
lateral epicondyle of humerus
32
insertion of extensor carpi ulnaris
posterior surface of metacarpal 5
33
action of extensor carpi ulnaris
wrist extension and ulnar deviation
34
origin of diaphragm
xiphoid process; lower 6 ribs; lumbar vertebrae
35
insertion of diaphragm
central tendon
36
action of diaphragm
inspiration (flattens on contraction)
37
origin of external intercostals
superior rib
38
insertion of external intercostals
inferior rib
39
action of external intercostals
rib elevation
40
origin of internal intercostals
inferior rib
41
insertion of internal intercostals
superior rib
42
action of internal intercostals
rib depression
43
action of erector spinae
trunk extension
44
origin of rectus abdominis
pubic bone and pubic symphysis
45
insertion of rectus abdominis
xiphoid process; costal cartilage of ribs 5-7
46
action of rectus abdominis
trunk flexion; assists in forced expiration
47
origin of internal obliques
lumbar fascia; iliac crest; inguinal ligament
48
insertion of internal obliques
linea alba; pubic bone; lower 4 ribs
49
action of internal obliques
trunk lateral flexion; trunk rotation to the same side; assists in forced expiration
50
origin of external obliques
lower 8 ribs
51
insertion of external obliques
linea alba
52
action of external obliques
trunk lateral flexion; trunk rotation to the opposite side; assists in forced expiration
53
origin of transversus abdominis
lumbar fascia; iliac crest; inguinal ligament
54
insertion of transversus abdominis
linea alba
55
action of transversus abdominis
trunk rotation to the same side; assists in forced expiration

anatomy (8 decks)

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