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Anatomy > Muscles of the Head, Neck, and Upper Limbs > Flashcards

Muscles of the Head, Neck, and Upper Limbs Flashcards

1
Q

temporalis [origin; insertion]

A

parietal & frontal bone; coronoid process of mandible

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2
Q

temporalis [action]

A

elevate/retract mandible at jaw

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3
Q

masseter [origin; insertion]

A

zygomatic arch; coronoid process, angle, and ramus of the mandible

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4
Q

masseter [action]

A

close jaw, elevate mandible at jaw

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5
Q

sternocleidomastoid [origin; insertion]

A

manubrium of sternum, sternal end of clavicle; mastoid process of temporal bone

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6
Q

sternocleidomastoid [action]

A

lateral flexion/rotation of the opposite side, flexes cervical vertebral column

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7
Q

splenius capitis [origin; insertion]

A

ligamentum nuchae; occipital bone, mastoid process of temporal bone

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8
Q

splenius cervicis [origin; insertion]

A

spinous process of thoracic vertebrae; transverse process of cervical vertebrae

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9
Q

splenius cervicis and capitis [action]

A

rotate head to the same side of contracting muscle, extend head/neck

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10
Q

trapezius [action]

A

rotate, depress, and adduct the scapula.

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11
Q

levator scapulae [action]

A

elevate scapula

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12
Q

rhomboid minor and major [action]

A

stabilize, elevate, and adduct the scapula

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13
Q

serratus anterior [action]

A

stabilize and abduct the scapula

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14
Q

pectoralis minor [action]

A

depress and abduct the scapula

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15
Q

supraspinatus [origin]

A

supraspinous fossa of the scapula

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16
Q

supraspinatus [action]

A

abducts arm

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17
Q

infraspinatus [origin]

A

infraspinous fossa of the scapula

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18
Q

infraspinatus [action]

A

laterally rotates arm

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19
Q

teres minor [action]

A

laterally rotates and adducts arm

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20
Q

subscapularis [origin; insertion]

A

subscapular fossa of scapula; lesser tubercle of humerus

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21
Q

subscapularis [action]

A

medially rotates arm

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22
Q

teres major [origin; insertion]

A

lateral border and angle of scapula; lesser tubercle and intertubercular groove of humerus

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23
Q

teres major [action]

A

extends, adducts, and medially rotates the arm

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24
Q

latissimus dorsi [origin; insertion]

A

spinous process of thoracic vertebrae, lower ribs, iliac crest of ilium; intertubercular groove of humerus

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25
latissimus dorsi [action]
extends, adducts, and medially rotates arm
26
deltoid [origin; insertion]
acromial end of clavicle, acromion and spine of scapula; deltoid tuberosity of humerus
27
deltoid [action]
abducts, flexes, and extends the arm. medial and lateral arm rotation
28
pectoralis major [origin; insertion]
clavicle, costal cartilages; intertubercular groove of humerus
29
pectoralis major [action]
flexes, adducts, and medially rotates arm
30
long head of triceps brachii [origin]
infraglenoid tubercle of scapula
31
long head of triceps brachii [action]
extension of the arm and forearm
32
lateral head of triceps brachii [origin]
posterior shaft of humerus
33
lateral and medial head of triceps brachii [action]
extension of forearm
34
medial head of triceps brachii [origin]
distal two-thirds of posterior shaft of humerus
35
long head of biceps brachii [origin]
supraglenoid tubercle of scapula
36
long head of biceps brachii [action]
flexes forearm and arm
37
biceps brachii [action]
flexes and supinates forearm
38
coracobrachialis [insertion]
middle, medial shaft of humerus
39
coracobrachialis [actions]
adducts and flexes arm
40
brachialis [origin, insertion]
distal, anterior surface of humerus; coronoid process of ulna
41
brachialis [action]
flexes forearm
42
brachioradialis [origin, insertion]
lateral distal humerus; styloid process of radius
43
brachioradialis [action]
flexes forearm
44
pronator teres [action]
pronates forearm at radioulnar joint
45
flexor carpi radialis [action]
flexes and abducts hand
46
palmaris longus [action]
flexes hand, tenses facia of palm
47
flexor carpi ulnaris [action]
flexes and adducts hand
48
flexor digitorum superficialis [action]
flexes hand and middle phalanx of each finger
49
flexor digitorum profundus [action]
flexes hand, distal and middle phalanges of each finger
50
flexor pollicis longus [action]
flexes distal phalanx of thumb at IP joint
51
flexor retinaculum
fibrous band of CT that covers the palmar surface of the carpal bones
52
extensor carpi radialis brevis and longus [action]
extends and abducts hand
53
extensor digitorum [action]
extends hand, distal and middle phalanges
54
extensor carpi ulnaris [action]
extends and adducts hand
55
abductor pollicis longus [action]
abducts and extends thumb joint between carpals and metacarpals, extends hand
56
extensor pollicis brevis [action]
extends hand, extends thumb at MP joint
57
extensor pollicis longus [action]
extends hand, extends thumb at MP/IP joints
58
supinator [action]
supinates forearm at radioulnar joint
59
extensor retinaculum [action]
fibrous band of CT that covers the dorsal surface of the carpal bones
60
the lateral border of the scapula is a shared attachment site for (2)
teres minor, teres major
61
the coracoid process of the scapula is a shared attachment site for (3)
short head biceps brachii, coracobrachialis, pectoralis minor
62
the greater tubercle of the humerus is a shared attachment site for (4)
supraspinatus, infraspinatus, teres minor, pectoralis major
63
the lesser tubercle of the humerus is a shared attachment site for (2)
subscapularis, teres major
64
the intertubercular groove is a shared attachment site for (3)
teres major, latissimus dorsi, pectoralis major
65
the radial tuberosity of the radius is a shared attachment site for (2)
long and short head biceps brachii
66
the olecranon of the ulna is a shared attachment site for (3)
All three heads of triceps brachii
67
the iliac crest is a shared attachment site for (3)
gluteus maximus, gluteus medius, tensor fascia latae

Anatomy (7 decks)

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