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Mammalian Anatomy Lab > Ex. II - Origins, Insertions & Actions > Flashcards

Ex. II - Origins, Insertions & Actions Flashcards

(69 cards)

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1
Q

pectoantebrachialis

A

o: manubrium of sternum; i: proximal end of ulna

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2
Q

pectoralis major

A

O: clavicular head; i: bicipital groove of humerus

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3
Q

pectoralis minor

A

o: 3rd to 5th ribs; i: coracoid process of scapula

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4
Q

external oblique

A

o: 5th to 12th ribs; i: illiac crest, pubic tubercle, linea alba

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5
Q

clavtrapezius

A

o: lambdoidal ridge of skull; I: raphe of clavicle

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6
Q

acromiotrapezius

A

o: spines of cervical & ant. thoracic vertebrae (C2 to T1-4); i: metacromion & scapula spine

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7
Q

spinotrapezius

A

o: spines of thoracic vert. (T1-4 to T11-13); i: scapula spine & surrounding fascia

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8
Q

latissimus dorsi

A

o: thoracic & lumbar vert. (T4-5 to L6); i: medial shaft of humerus

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9
Q

levator scapulae ventralis

A

o: transverse process of atlas and occipital bone; i: metacromion of scapule

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10
Q

acromiodeltoid

A

o: acromion of scapula; i: deltoid ridge of humerus, spinodeltoid’s outer surface & branchialis anticus

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11
Q

spinodeltoid

A

o: spine of scapula; i: deltoid ridge of humerus

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12
Q

clavobrachialis (clavodeltoid)

A

o: raphe of clavicle; i: ulna beneath semilunar notch

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13
Q

teres major

A

o: inferior angle of scapula, i: intertubercular sulcus of humerus

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14
Q

subscapularis

A

o: subscapular fossa; i: lesser tubercle of humerus

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15
Q

xiphihumeralis

A

o: xiphoid process of sternum; i: humerus

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16
Q

internal oblique

A

o: iliac crest; i: linea alba

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17
Q

transversus abdominis

A

o: iliac crest; i: xiphoid process of sternum, linea alba

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18
Q

rectus abdominis

A

o: crest of pubic bone; i: 5th to 7th ribs, xiphoid process of sternum

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19
Q

errector spinae

A

o: spinous process of T9-12; i: spinous processes of T1-2

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20
Q

external intercostals

A

o: lower border of ribs; i: upper border of posterior-ward rib

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21
Q

rhomboideus major (smaller); rhomboideus minor (larger-behind scapula)

A

o: spines of cervical & thoracic vert. (T1-4); i: vert. border of scapula & inferior angle (major)

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22
Q

rhomboideus capitis

A

o: lambdoidal ridge of skull; i: vertebral border of scapula

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23
Q

supraspinatus

A

o: supraspinous fossa of scapula; i: greater tuberosisty of humerus

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24
Q

infraspinatus

A

o: infraspinous fossa of scapula; i: lateral part of greater tuberosity of humerus

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25
splenius
o: spinous processes of cervical vertebrae; i: mastoid process of temporal and occiptal bones
26
sternomastoid
o: manubrium of sternum & midventral line ant. to manubrium; i: mastoid process & lambdoidal ridge
27
sternohyoid
o: first costal cartilage; i: body of hyoid
28
digastric
o: jugular process of occipital, mastoid process of temporal; i: ventral border of mandible
29
mylohyoid
o: medial surface of mandible; i: median raphe- from hyoid to mandibular symphysis
30
masseter
o: malar & ventral border of zygomatic arch; i: mandible- ventral border & ext. carotid fossa
31
temporalis
o: temporal fossa of parietal, squamosal, & frontal; i: coronoid process of mandible
32
cleidomastoid
o: mastoid process of temporal; i: raphe of clavicle
33
sternothyroid
o: manubrium of sternum; i: thyroid cartilage
34
thryohyoid
o: thyroid cartilage; i: hyoid bone
35
pectoantebrachialis action
adduction of arm
36
pectoralis major action
flexes and extends humerus
37
pec. minor action
stabilizes scapula, raises ribs in inspiration
38
external oblique action
contralateral rotation of torso
39
clavotrap action
flexes forearm, turns head & extends humerus forward
40
acromiotrap action
draws scapula medially & holds scapulae together
41
spinotrap action
draws scapula dorsally & posteriorally
42
latissimus dorsi action
pulls humerus caudodorsally
43
levator scapulae ventralis action
draws scapula cranially
44
acromiodeltoid action
extends & rotates humerus
45
spinodeltoid action
extends & rotates humerus
46
clavodeltoid action
flexes forearm, turns head & extends humerus forward
47
teres major action
adduction of humerus
48
subscapularis action
medial rotation of humerus
49
xiphihumeralis action
Adducts forelimb
50
internal oblique action
compresses abdomen, rotation of vertebral column
51
transversus abdominis action
compresses abdomenal compartment
52
rectus abdominis action
flexion of lumbar spine
53
errector spinae action
extends vertebral column
54
scalenus action
elevation of 1st and 2nd ribs
55
external intercostals action
expands thorax during inhalation
56
rhomboideus major (smaller); rhomboideus minor (larger-behind scapula) action
draws vertebral border of scapula medially & dorsally
57
rhomboideus capitis action
draws dorsal border of scapula cranially (forward)
58
supraspinatus action
extends arm (draws humerus anteriorly)
59
infraspinatus action
flexes & rotates humerus laterally (outward)
60
splenius action
extend, rotate, and laterally flex head
61
sternomastoid action
turns head, depresses head & neck
62
sternohyoid action
draws hyoid posteriorly (caudally)
63
digastric action
depresses mandible
64
mylohyoid action
raises floor of mouth, draws hyoid posteriorly
65
masseter action
elevates mandible
66
temporalis action
elevates mandible
67
cleidomastoid action
rotates head, depresses snout or draws clavicle forward
68
sternothyroid action
depresses thyroid cartilage
69
thyrohyoid action
elevates thyroid, depresses hyoid bone

Mammalian Anatomy Lab (16 decks)

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