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

Ex. II - Origins, Insertions & Actions Flashcards

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
Q

splenius

A

o: spinous processes of cervical vertebrae; i: mastoid process of temporal and occiptal bones

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26
Q

sternomastoid

A

o: manubrium of sternum & midventral line ant. to manubrium; i: mastoid process & lambdoidal ridge

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27
Q

sternohyoid

A

o: first costal cartilage; i: body of hyoid

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28
Q

digastric

A

o: jugular process of occipital, mastoid process of temporal; i: ventral border of mandible

29
Q

mylohyoid

A

o: medial surface of mandible; i: median raphe- from hyoid to mandibular symphysis

30
Q

masseter

A

o: malar & ventral border of zygomatic arch; i: mandible- ventral border & ext. carotid fossa

31
Q

temporalis

A

o: temporal fossa of parietal, squamosal, & frontal; i: coronoid process of mandible

32
Q

cleidomastoid

A

o: mastoid process of temporal; i: raphe of clavicle

33
Q

sternothyroid

A

o: manubrium of sternum; i: thyroid cartilage

34
Q

thryohyoid

A

o: thyroid cartilage; i: hyoid bone

35
Q

pectoantebrachialis action

A

adduction of arm

36
Q

pectoralis major action

A

flexes and extends humerus

37
Q

pec. minor action

A

stabilizes scapula, raises ribs in inspiration

38
Q

external oblique action

A

contralateral rotation of torso

39
Q

clavotrap action

A

flexes forearm, turns head & extends humerus forward

40
Q

acromiotrap action

A

draws scapula medially & holds scapulae together

41
Q

spinotrap action

A

draws scapula dorsally & posteriorally

42
Q

latissimus dorsi action

A

pulls humerus caudodorsally

43
Q

levator scapulae ventralis action

A

draws scapula cranially

44
Q

acromiodeltoid action

A

extends & rotates humerus

45
Q

spinodeltoid action

A

extends & rotates humerus

46
Q

clavodeltoid action

A

flexes forearm, turns head & extends humerus forward

47
Q

teres major action

A

adduction of humerus

48
Q

subscapularis action

A

medial rotation of humerus

49
Q

xiphihumeralis action

A

Adducts forelimb

50
Q

internal oblique action

A

compresses abdomen, rotation of vertebral column

51
Q

transversus abdominis action

A

compresses abdomenal compartment

52
Q

rectus abdominis action

A

flexion of lumbar spine

53
Q

errector spinae action

A

extends vertebral column

54
Q

scalenus action

A

elevation of 1st and 2nd ribs

55
Q

external intercostals action

A

expands thorax during inhalation

56
Q

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

A

draws vertebral border of scapula medially & dorsally

57
Q

rhomboideus capitis action

A

draws dorsal border of scapula cranially (forward)

58
Q

supraspinatus action

A

extends arm (draws humerus anteriorly)

59
Q

infraspinatus action

A

flexes & rotates humerus laterally (outward)

60
Q

splenius action

A

extend, rotate, and laterally flex head

61
Q

sternomastoid action

A

turns head, depresses head & neck

62
Q

sternohyoid action

A

draws hyoid posteriorly (caudally)

63
Q

digastric action

A

depresses mandible

64
Q

mylohyoid action

A

raises floor of mouth, draws hyoid posteriorly

65
Q

masseter action

A

elevates mandible

66
Q

temporalis action

A

elevates mandible

67
Q

cleidomastoid action

A

rotates head, depresses snout or draws clavicle forward

68
Q

sternothyroid action

A

depresses thyroid cartilage

69
Q

thyrohyoid action

A

elevates thyroid, depresses hyoid bone

Mammalian Anatomy Lab (16 decks)

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