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IVMI EVMM > Muscles OIAI > Flashcards

Muscles OIAI Flashcards

1
Q
A

Temporalis

Origin: temporal fossa

Insertion: coronoid process of mandible

Action: closes the mouth

Innervation: CN V

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2
Q
A

Masseter

Origin: maxillary region of skull and zygomatic arch

Insertion: lateral aspect of mandibular branches

Action: closes the mouth

Innervation: CN V

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3
Q
A

rectus capitus lateralis

Origin: skull

Insertion: wing of atlas

Action: lateal bend at C0-C1

Innervation: local cervical nerve

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4
Q
A

Obliquus capitis caudalis

Origin: wing of atlas

Insertion: C2

Action: rotates head

Innervation: second cervical nerve

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5
Q
A

Splenius

Origin: skull ventral to nuchal crest

Insertion: transverse processes of C3-7 and dorsal spinous processes of T1-5

Action: lifts the lower cervial curve

Innervation: cranial part by CN XI and caudal part by local spinal nerves

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6
Q

bottom arrow

A

Longus capitis

Origin: ventral aspect of C5

Insertion: base of skull, occiput

Action: flex the neck

Innervation: local cervical nerves

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7
Q

top arrow

A

Longus thoracis

Origin: ventral aspect of C6

Insertion: ventral aspect of T1-5 and costovertebral joints

Action: flexes the spine, lifts lower cervical curve

Innervation: local spinal nerves

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8
Q
A

Scaleneus

Origin: transverse processes of C4-7

Insertion: cranial and lateral aspect of first rib

Action: lifst lower cervical curve, flexes the neck

Innervation: local spinal nerves

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9
Q
A

Sternomandibularis

Origin: manubrium

Insertion: caudal mandible

Action: flexes neck, lateral bend

Innervation: CN XI

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10
Q
A

Brachiocephalic

Origin: nuchal crest and mastoid process

Insertion: deltoid tuberosity and cranial humerus

Action: flexes neck, extends shoulder

Innervation: CN XI

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11
Q

purple

A

omotransversarius

Origin: transverse process of C2-4

Insertion: blends with shoulder fascia and brachiocephalic

Action: flexes neck, lateral bend and stabilizes spine

Innervation: local cervical nerves

pink - sternomandibularis, yellow - brachiocephalic

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12
Q
A

Multifidus

Origin: lamina, articular and mamillary process T1-S5

Insertion: dorsal spinous processes 1-4 segments cranial to origin

Action: proprioception, stabilize, extend and rotate the spine

Innervation: local spinal nerves

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13
Q

Green

A

longissiums cervicus

Origin: articular processes of C6 and C7

Insertion: Transverse processes of T1-5

Action: Stabilize the spine and elevate the head

Innervation: local spinal nerves

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14
Q

light purple

A

longissimus atlantis

Origin: wing of atlas

Insertion: transverse processes of C3-T3

Action: stabilize spine, elevate head, lateral bend

Innervation: local cervical nerves

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15
Q

dark blue

A

longissimus capitus

Origin: mastoid process of skull and atlas

Insertion: transverse processes of C3-T3

Action: stabilize spine, elevate head, lateral bend

Innervation: local cervial nerves

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16
Q

purple

A

Deltoid

Origin: scapular spine and caudal scapula

Insertion: deltoid tuberosity of humerus

Action: flexes shoulder

Innervation: axillary nerve

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17
Q

orange

A

Supraspinatus

Origin: suprascapular fossa

Insertion: greater and lesser tubercles of humerus

Action: extends and stablizes shoulder joint

Innervation: suprascapular nerve

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18
Q

green

A

Infraspinatus

Origin: infraspinatus fossa

Insertion: greater tubercle of humerus

Action: stabilize, flex and extends shoulder joint

Innervation: suprascapular nerve

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19
Q

yellow

A

Tricep

Origin: long head - caudal scapula, lateral - deltoid tuberosity, medial - medial humerus

Insertion: olecranon

Action: extend elbow

Innervation: radial nerve

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20
Q

biceps brachii

A

Origin: Supraglenoid tubercle

Insertion: radial tuberosity and via the lacertus fibrosis to the tendon of the extensor carpi

Action: extend shoulder, stabilize carpus, flex elbow

Innervation: musculocutaneous

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21
Q

Blue

A

Extensor Carpi Radialis

Origin: radial fossa

Insertion: proximocranial MCIII

Action: extneds carpus

Innervation: radial nerve

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22
Q

Green

A

Common Digital Extensor

Origin: lateral epicondyle of the humerus

Insertion: P1, P3 and extensor process of P3

Action: extend carpus and digit

Innervation: radial nerve

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23
Q
A

Lateral Digital Extensor (thoracic limb)

Origin: proximal radius

Insertion: blends with commond digital extensor to P1

Action: extend fetlock

Innervation: radial nervel

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24
Q
A

lateral digital extensor

Origin: lateral epicondyle of humerus

Insertion: accessory carpal bone and MC IV

Action: flexes the carpus

Innervation: radial nerve

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25
Q

Green

A

Flexor carpi radialis

Origin: medial epicondyle of humerus

Insertion: accessory carpal bone

Action: flexes carpus

Innervation: median nerve

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26
Q

Yellow

A

Flexor carpi Ulnaris

Origin: Medial epicondyle of humerus

Insertion: accessory carpal bone

Action: flexes carpus

Innervation: ulnar nerve

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27
Q
A

Subclavius

Origin: Sternum and costal cartilages 1-4

Insertion: supraspinatus and shoulder fascia

Action: supports trunk and stabilizes shoulder

Innervation: cranial pectoral nerve

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28
Q
A

Ascending (Deep) Pectoral

Origin: sternum and ribs 4-9

Insertion: greater and lesser tubercles of humerus

Action: supports trunk, stabilizes shoulder joint, retracts limb

Innervation: cranial and caudal pectoral nerves

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29
Q
A

Descending Pectorals

Origin: Manubrium

Insertion: deltoid tuberosity

Action: connect limb to trunk, adduction

Innervation: cranial and caudal pectoral nerves

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30
Q
A

Transverse Pectoral

Origin: Sternum and costal cartilages 1-5

Insertion: antebrachial fascia

Action: connects limb to trunk, adducts

Innervation: cranial and caudal pectoral nerves

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31
Q

Brachialis

A

Origin: Proximocaudal humerus

Insertion: Medial radis

Action: Flexes elbow, rebounds energy

Innervation: Musculocutaneous

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32
Q

DDF (3 heads)

A

Origin:

Humeral - medial epicondyle, Radial - caudal radius, Ulnar - olecranon

Insertion: flexor surface of P3

Action: flexes carpus and digit, extends elbow

Innervation:

Humeral - meidan and ulnar, Radial - Median, Ulanr - ulnar

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33
Q

Digastricus

A

Origin: skull caudal to TMJ

Insertion: ventral aspect of the mandible

Action: opens mouth

Innervation: mandibular and facial nerve

34
Q

Intertransversarii

A

Origin:

Dorsal - dorsal spinous processes C2-7, Middle - Transverse processes C2-7, Ventral - Ventral aspect of C6

Insertion:

Dorsal - Transverse processes C3-7, Middle - transverse processes one or two segments caudal, ventral - ventral aspect of C3-5

Action: stabilizes spine, proprioception

Innervation: local spinal nerves

35
Q

Longus Colli

A

Origin: Transverse processes C1-5

Insertion: Vertebral bodies and ventral tubercle of atlas

Action: stabilize and flex spine

Innervation: local spinal nerves

36
Q

Multifidus cervicus

A

Origin: Lamina and articular processes C2-7

Insertion: Dorsal spinous processes 1-4 segments cranial to origin

Action: proprioception, stablize, extend and rotate the spine

Innervation: local spinal nerves

37
Q

Obliquus capitis cranialis

A

Origin: Nuchal crest

Insertion: ventral part of cranial wing of atlas

Action: rotate the head

Innervation: first cervical nerve

38
Q

Omohyoideus

A

Origin: Subscapular fascia

Insertion: Lingual process of basihyoid bone

Action: Retracts basihyoid and tongue

Innervation: first cervical nerve

39
Q

Pterygoids

A

Origin: skull, pterygoidpalantine

Insertion: medial mandible

Action: lateral excursion of mandible

Innervation: CN V

40
Q

Rectus Capitis Major

A

Origin: Nuchal Crest

Insertion: dorsal spinous process of C2

Action: Extend the head

Innervation: local cervical nerve

41
Q

Rectus capitis minor

A

Origin: Nuchal crest

Insertion: caudodorsal atlas

Action: extend the head

Innervation: local cervical nerve

42
Q

Rhomboideus

A

Origin: Nuchal and dorsoscapular ligaments C2-T8

Insertion: Scapular cartilage

Action: Elevates scapula and rotates it cranially

Innervation: local spinal nerves

43
Q

Semispinalis capitis

A

Origin: occipital protuberance and nuchal crest

Insertion: C2-T7 articular or transverse processes

Action: Elevate head, lateral bend

Innervation: Local cervical nerves

44
Q

Sternohyoideus

A

Origin: Manubrium

Insertion: Lingual process of basihyoid bone

Action: Retracts basihyoid and tongue

Innervation: First cervical nerve

45
Q

Superficial Digital Flexor (Thoracic Limb)

A

Origin: Medial epicondyle of humerus

Insertion: P1 and P2

Action: Flexes carpus and extends elbow

Innervation: Ulnar nerve

46
Q

Trapezius

A

Origin: Dorsal 1/3 of scapular spine

Insertion: Nuchal and supraspinous ligament C4-T10

Action: elevates and rotates the scapula

Innervation: CN XI

47
Q

Blue

A

Serratus Ventralis Thoracis

Origin: Transverse processes of T1-10

Insertion: Medial Scapula

Action: supports the trunk, stabilizes center of rotation of scapula

Innervation: Local cervical nerves

48
Q

Light Purple

A

External intercostal

Origin: Caudal aspect of ribs 1-17

Insertion: Cranial aspect of ribs 2-18

Action: inspiration, lateral bend

Innervation: local intercostal

49
Q

Dark Purple

A

External abdominal Oblique

Origin: Caudal aspect of ribs 4-18 and thoracolumbar fascia

Insertion: linea alba, prepubic tendon and tuber coxa

Action: increase intraabdominal pressure, expiration, stabilizes spine

Innervation: local intercostal and lumbar nerves

50
Q

light green

A

Internal Intercostal

Origin: cranial aspect of ribs 2-18

Insertion: caudal aspect of ribs 1-17

Action: expiration, lateral bend

Innervation: local intercostal

51
Q

Dark Green

A

Internal Abdominal Oblique

Origin: tuber coxae

Insertion: last rib, cartilages of ribs 13-18, prepubic tendon and linea alba

Action: increases intraabdominal pressure, expiration, flexes spine

Innervation: local intercostal nerves

52
Q
A

Latissimus Dorsi

Origin: thoracolumbar fascia, supraspinous ligament T3

Insertion: Teres major tuberosity

Action: retracts the limb and flexes the shoulder

Innervation: thoracodorsal nerve

53
Q

Blue

A

Scalenus

Origin: transverse processes of C4-7

Insertion: cranial and lateral aspect of 1st rib

Action: lifts the lower cervical curve, flexes the neck

Innervation: local spinal nerves

54
Q

Purple

A

Rectus Abdominis

Origin: Ribs 4-9

Insertion: prepubic tendon, head of femur

Action: flexes spine

Innervation: local intercostal and lumbar nerves

55
Q
A

Psoas Major

Origin: last ribs and lumbar transverse processes

Insertion: lesser trochanter of the femur

Action: stabilizes spine, flexes lumbar vertebrae and hip, protracts limbs

Innervation: local intercostal and lumbar nerves

56
Q
A

Transversus Abdominus

Origin: medial aspect of asternal ribs, lumbar transverse processes and thoracolumbar fascia

Insertion: linea alba and xiphoid

Action: tenses thoracolumbar fascia, stabilizes spine

Innervation: local intercostal and lumbar nerves

57
Q
A

Tensor Fascia Lata

Origin: Tuber coxa

Insertion: patella, cranial tibia, fascia lata and 3rd trocanter of the femur

Action: tenses fascia, flexes hip and extends stifle

Innervation: cranial gluteal nerve

58
Q

Dark Blue on left

A

Biceps femoris

Origin: last 3 sacral vertebrae to the tuber ischium

Insertion: patella, cranial tibia, crural fascia, calcanean tendon

Action: extend hock, stifle and hip, flex elbow

Innervation: caudal gluteal and tibial nerves

59
Q

Purple center photo

A

Semitendinosus

Origin: last few sacral and 1st few coccygeal vertebrae to tuber ischium

Insertion: cranial tibia, crural fascia and calcaneus

Action: extends hock, stifle and hip, flexes stifle

Innervation: caudal gluteal and tibial nerves

60
Q

light blue - far right

A

Semimebranosus

Origin: first few coccygeal vertebrae and tail fascia

Insertion: medial femoral and tibial condyles

Action: extends hip and stifle

Innervation: caudal gluteal and cranial tibial nerves

61
Q

Yellow

A

Long digital extensor

Origin: extensor fossa of femur

Insertion: extensor process of P3

Action: extends the digit, flexes hock

Innervation: peroneal nerve

62
Q

Blue

A

Lateral digital extensor (pelvic)

Origin: fibula and lateral collateral ligament of stifle

Insertion: long digital extensor tendon

Action: extends digit, flexes hock

Innervation: peronial nerve

63
Q

Green

A

Deep digital Flexor (hind)

Origin: Lateral head - caudal aspect of tibia, media head - lateal tibial condyle, superficial head - caudal aspect of tibia

Insertion: plantar aspect of P3

Action: extends hock, flexes digit

Innervation: tibial nerve

64
Q
A

Middle Gluteal

Origin: longissimus lumborum, ilium, thoracolumbar fascia, sacrum and sacrosciatic

Insertion: caudal aspect of grater trochanter

Action: extends hip

Innervation: cranial gluteal nerve

65
Q

Caudal tibia (superficial head of DDF)

A

Origin: caudal aspect of tibia

Insertion: plantar P3

Action: extends hock and flexes digit

Innervation: tibial nerve

66
Q

Cranial Tibial

A

Origin: lateal condyle and tibia tuberosity

Insertion: 1st, 2nd, 3rd tarsal bones

Action: flexes hock

Innervation: peroneal nerve

67
Q

Gastrocnemius

A

Origin: medial and lateral supracondylar tuberosities of femur

Insertion: calcanean tuber

Action: extends hock and flexes stifle

Innervation: tibial nerve

68
Q

Gracilis

A

Origin: pelvic symphysis

Insertion: crural fascia, cranial tibia and medial patellar ligament

Action: adduct the limb

Innervation: obturator nerve

69
Q

Iliacus

A

Origin: pelvis, wings of sacrum and psoas minor tendon

Insertion: lesser tronchanter of femur with psoas major

Action: stabilizes spine, flexes lumbar vertebrae, protracts limb

Innervation: local intercostal and lumbar nerves

70
Q

Iliocostalis

A

Origin: lumbar transverse processes and cranial aspect of ribs

Insertion: angle of ribs

Action: stabilizes, lateral bend extends the spine

Innervation: local spinal nerves

71
Q

Longissimus

A

Origin: Dorsal spinous processes T1-S5, wing of hte ilium

Insertion: transverse processes and tubercles of the ribs

Action: stabilize, extend, and rotate

Innervation: local spinal nerves

72
Q

Peroneus Tertius

A

Origin: extensor fossa of femur

Insertion: 3rd and 4th tarsal bones and calcaneus

Action: reciprocal apparatus, flexes hock when stifle is flexed

Innervation: peroneal nerve

73
Q

Psoas Minor

A

Origin: last ribs and lumbar transverse processes

Insertion: psoas minor tubercle of ilium

Action: stabilizes spine, flexes lumbosacral and sacroiliac joints

Innervation: local intercosatal and lumbar nerves

74
Q

Rectus Femoris

A

Origin: Ilium

Insertion: quadriceps tendon to middle patellar ligament and cranial tibia

Action: flexes hip and extends stifle

Innervation: femoral nerve

75
Q

Serratus ventralis cervicus

A

Origin: Transverse processes of C4-C7

Insertion: Medial scapula

Action: supports the trunk, stabilizes center of rotation of scapula

Innervation: local cervical nerves

76
Q

Superficial Digital Flexor Pelvic Limb

A

Origin: supracondylar fossa of the femur

Insertion: calcanean tuber, P1 and P2

Action: reciprocal apparatus, supports fetlcok and pastern

Innervation: tibial nerve

77
Q

Superficial Gluteal

A

Origin: tuber coxa

Insertion: 3rd trochanter and fascia lata

Action: flexes hip

Innervation: cranial and caudal gluteal nerve

78
Q

Vastus intermedius

A

Origin: cranial aspect of femur

Insertion: quadriceps tendon to middle patellar ligament and cranial tibia

Action: extends stifle

Innervation: femoral nerve

79
Q

Vastus lateralis

A

Origin: lateral aspect of femur

Insertion: quadriceps tendon to middle patellar ligament and cranial tibia

Action: extends stifle

Innervation: femoral nerve

80
Q

Vastus Medialis

A

Origin: medial aspect of femur

Insertion: quadriceps tendon to middle patellar ligament and cranial tibia

Action: extends stifle

Innervation: femoral nerve

IVMI EVMM (43 decks)

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