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Large Animal Anatomy > Midterm Muscles > Flashcards

Midterm Muscles Flashcards

1
Q

What is the insertion of the cleidomastoideus (Brachiocephalicus)?

A

Mastoid process

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2
Q

What is the action of the cleidomastoideus (Brachiocephalicus)?

A

Unilateral: advances limb or turns head; Bilateral: flexes head and neck

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3
Q

What is the innervation of the cleidomastoideus (Brachiocephalicus)?

A

Accessory, axillary, and cervical nerves

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4
Q

What is the origin of the cleidobrachialis (Brachiocephalicus)?

A

Clavicular intersection

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5
Q

What is the insertion of the cleidobrachialis (Brachiocephalicus)?

A

Crest of humerus

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6
Q

What is the action of the cleidobrachialis (Brachiocephalicus)?

A

Unilateral: advances limb or turns head; Bilateral: flexes head and neck

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7
Q

What is the innervation of the cleidobrachialis (Brachiocephalicus)?

A

Accessory, axillary, and cervical nerves

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8
Q

What is the origin of the sternocephalicus?

A

Manubrium of sternum

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9
Q

What is the insertion of the sternocephalicus?

A

Ramus of mandible

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10
Q

What is the action of the sternocephalicus?

A

Unilateral: turns head and neck; Bilateral: flexes head and neck

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11
Q

What is the innervation of the sternocephalicus?

A

Ventral branch of accessory nerve

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12
Q

What is the origin of trapezius cervicis?

A

Funiculus nuchae

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13
Q

What is the insertion of trapezius cervicis?

A

Spine of scapula

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14
Q

What is the action of trapezius cervicis?

A

Elevate, advance scapula

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15
Q

What is the innervation of the trapezius cervicis?

A

Dorsal branch of accessory nerve

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16
Q

What is the origin of trapezius thoracis?

A

Supraspinous ligament

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17
Q

What is the insertion of the trapezius thoracis?

A

Spine of scapula

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18
Q

What is the action of the trapezius thoracis?

A

Elevate, retract scapula

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19
Q

What is the innervation of the trapezius thoracis?

A

Dorsal branch of accessory nerve

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20
Q

What is the origin of the gluteus medius?

A

Aponeurosis of Longissimus lumborum, ilium, and sacrosciatic ligament

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21
Q

What is the insertion of the gluteus medius?

A

Greater trochanter

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22
Q

What is the action of the gluteus medius?

A

Extend hip and abduct thigh

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23
Q

What is the innervation of the gluteus medius?

A

Cranial and caudal gluteal nerves

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24
Q

What is the origin of the biceps femoris?

A

Sacrum, sacrosciatic ligament, ischial tuber

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25
Q

What is the insertion of the biceps femoris?

A

Fascia late-patella, lateral patellar ligament, calcaneal tuber

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26
Q

What is the action of the biceps femoris?

A

Extend hip and abduct thigh

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27
Q

What is the innervation of the biceps femoris?

A

Caudal gluteal and sciatic nerves

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28
Q

What is the origin of the semitendinosus?

A

Cd 1-2 and ventral part of ischial tuber

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29
Q

What is the insertion of the semitendinosus?

A

Tibial crest, crural fascia, calcaneal tuber

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30
Q

What is the action of the semitendinosus?

A

Extend hip, flex stifle, extend hock

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31
Q

What is the innervation of the semitendinosus?

A

Caudal gluteal and sciatic nerves

32
Q

What is the origin of the gracilis?

A

Subpelvic tendon (pelvic symphysis)

33
Q

What is the insertion of the gracilis?

A

Medial patellar ligament and medial surface of tibia

34
Q

What is the action of the gracilis?

A

Adduct limb

35
Q

What is the innervation of the gracilis?

A

Obturator nerve

36
Q

What is the origin of the rectus femoris (quadriceps femoris)?

A

Body of ilium

37
Q

What is the action of the rectus femoris (quadriceps femoris)?

A

Flex hip, extend stifle

38
Q

What is the origin of the vastus lateralis (quadriceps femoris)?

A

Lateral surface of femur

39
Q

What is the action of the three “vastus” heads of the quadriceps femoris?

A

Extend the stifle joint

40
Q

What is the insertion of all heads of the quadriceps femoris?

A

Tibial tuberosity

41
Q

What is the innervation of all heads of the quadriceps femoris?

A

Femoral nerve

42
Q

What is the origin of the vastus medialis (quadriceps femoris)?

A

Medial surface of femur

43
Q

What is the origin of the vastus intermedius (quadriceps femoris)?

A

Cranial surface of femur

44
Q

What is the origin of the tibialis cranialis?

A

Lateral condyle of tibia

45
Q

What is the insertion of the tibialis cranialis?

A

Third metatarsal and tarsal bones I and II

46
Q

What is the action of the tibialis cranialis?

A

Flex the hock joint

47
Q

What is the innervation of the tibialis cranialis?

A

Deep peroneal nerve

48
Q

What is the origin of the peroneus tertius?

A

Extensor fossa of femur

49
Q

What is the insertion of the peroneus tertius?

A

Third metatarsal, third tarsal, calcaneus, and fourth tarsal bones

50
Q

What is the action of the peroneus tertius?

A

Flex the hock when the stifle is flexed, extend stifle when tarsus extended

51
Q

What is the innervation of the peroneus tertius?

A

Branches of deep peroneal nerve (sensory only)

52
Q

What is the origin of the long digital extensor?

A

Extensor fossa of femur

53
Q

What is the insertion of the long digital extensor?

A

Extensor process of third phalanx

54
Q

What is the action of the long digital extensor?

A

Extend the stifle and digit and flex the hock

55
Q

What is the innervation of the long digital extensor?

A

Deep peroneal nerve

56
Q

What is the origin of the lateral digital extensor extensor?

A

Lateral collateral ligament of stifle joint and adjacent areas of tibia and fibula

57
Q

What is the insertion of the lateral digital extensor?

A

Tendon of insertion of long digital extensor

58
Q

What is the action of the lateral digital extensor?

A

Extend the digit and flex the hock

59
Q

What is the innervation of the lateral digital extensor?

A

Superficial peroneal nerve

60
Q

What is the origin of the gastrocnemius?

A

Supracondyloid tuberosity of femur

61
Q

What is the insertion of the gastrocnemius?

A

Calcaneal tuberosity

62
Q

What is the action of the gastrocnemius?

A

Flex the stifle joint and extend the hock

63
Q

What is the innervation of the gastrocnemius?

A

Tibial nerve

64
Q

What is the origin of the superficial digital flexor?

A

Supracondyloid fossa of femur

65
Q

What is the insertion of the superficial digital flexor?

A

Calcaneal tuber, proximal extremity of second phalanx and distal extremity of first phalanx

66
Q

What is the action of the superficial digital flexor?

A

Flex the digit and extend the hock, flex stifle

67
Q

What is the innervation of the superficial digital flexor?

A

Tibial nerve

68
Q

What is the origin of the deep digital flexor?

A

Lateral condyle and lateral border of tibia and fibula

69
Q

What is the insertion of the deep digital flexor?

A

Flexor surface of third phalanx

70
Q

What is the action of the deep digital flexor?

A

Flex the digit and extend the hock

71
Q

What is the innervation of the deep digital flexor?

A

Tibial nerve

72
Q

What is the origin of the interosseus (suspensory ligament)?

A

Distal row of tarsal bones, and proximal extremity of third metatarsal bone

73
Q

What is the insertion of the interosseus (suspensory ligament)?

A

A axial surface of proximal sesamoids and conjoined tendon of insertion of the long and lateral digital extensors

74
Q

What is the action of the interosseus (suspensory ligament)?

A

Support the fetlock (prevent overextension)

75
Q

What is the innervation of the interosseus (suspensory ligament)?

A

Branches of tibial (sensory only)

76
Q

What is the origin of the cleidomastoideus (Brachiocephalicus)?

A

Clavicular intersection

Large Animal Anatomy (3 decks)

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