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IVMI EVMM > Muscles OIAI > Flashcards

Muscles OIAI Flashcards

(80 cards)

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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
Green
Flexor carpi radialis ## Footnote Origin: medial epicondyle of humerus Insertion: accessory carpal bone Action: flexes carpus Innervation: median nerve
26
Yellow
Flexor carpi Ulnaris ## Footnote Origin: Medial epicondyle of humerus Insertion: accessory carpal bone Action: flexes carpus Innervation: ulnar nerve
27
Subclavius ## Footnote Origin: Sternum and costal cartilages 1-4 Insertion: supraspinatus and shoulder fascia Action: supports trunk and stabilizes shoulder Innervation: cranial pectoral nerve
28
Ascending (Deep) Pectoral ## Footnote 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
29
Descending Pectorals ## Footnote Origin: Manubrium Insertion: deltoid tuberosity Action: connect limb to trunk, adduction Innervation: cranial and caudal pectoral nerves
30
Transverse Pectoral ## Footnote Origin: Sternum and costal cartilages 1-5 Insertion: antebrachial fascia Action: connects limb to trunk, adducts Innervation: cranial and caudal pectoral nerves
31
Brachialis
Origin: Proximocaudal humerus Insertion: Medial radis Action: Flexes elbow, rebounds energy Innervation: Musculocutaneous
32
DDF (3 heads)
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
33
Digastricus
Origin: skull caudal to TMJ Insertion: ventral aspect of the mandible Action: opens mouth Innervation: mandibular and facial nerve
34
Intertransversarii
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
Longus Colli
Origin: Transverse processes C1-5 Insertion: Vertebral bodies and ventral tubercle of atlas Action: stabilize and flex spine Innervation: local spinal nerves
36
Multifidus cervicus
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
Obliquus capitis cranialis
Origin: Nuchal crest Insertion: ventral part of cranial wing of atlas Action: rotate the head Innervation: first cervical nerve
38
Omohyoideus
Origin: Subscapular fascia Insertion: Lingual process of basihyoid bone Action: Retracts basihyoid and tongue Innervation: first cervical nerve
39
Pterygoids
Origin: skull, pterygoidpalantine Insertion: medial mandible Action: lateral excursion of mandible Innervation: CN V
40
Rectus Capitis Major
Origin: Nuchal Crest Insertion: dorsal spinous process of C2 Action: Extend the head Innervation: local cervical nerve
41
Rectus capitis minor
Origin: Nuchal crest Insertion: caudodorsal atlas Action: extend the head Innervation: local cervical nerve
42
Rhomboideus
Origin: Nuchal and dorsoscapular ligaments C2-T8 Insertion: Scapular cartilage Action: Elevates scapula and rotates it cranially Innervation: local spinal nerves
43
Semispinalis capitis
Origin: occipital protuberance and nuchal crest Insertion: C2-T7 articular or transverse processes Action: Elevate head, lateral bend Innervation: Local cervical nerves
44
Sternohyoideus
Origin: Manubrium Insertion: Lingual process of basihyoid bone Action: Retracts basihyoid and tongue Innervation: First cervical nerve
45
Superficial Digital Flexor (Thoracic Limb)
Origin: Medial epicondyle of humerus Insertion: P1 and P2 Action: Flexes carpus and extends elbow Innervation: Ulnar nerve
46
Trapezius
Origin: Dorsal 1/3 of scapular spine Insertion: Nuchal and supraspinous ligament C4-T10 Action: elevates and rotates the scapula Innervation: CN XI
47
Blue
Serratus Ventralis Thoracis ## Footnote Origin: Transverse processes of T1-10 Insertion: Medial Scapula Action: supports the trunk, stabilizes center of rotation of scapula Innervation: Local cervical nerves
48
Light Purple
External intercostal ## Footnote Origin: Caudal aspect of ribs 1-17 Insertion: Cranial aspect of ribs 2-18 Action: inspiration, lateral bend Innervation: local intercostal
49
Dark Purple
External abdominal Oblique ## Footnote 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
light green
Internal Intercostal ## Footnote Origin: cranial aspect of ribs 2-18 Insertion: caudal aspect of ribs 1-17 Action: expiration, lateral bend Innervation: local intercostal
51
Dark Green
Internal Abdominal Oblique ## Footnote 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
Latissimus Dorsi ## Footnote Origin: thoracolumbar fascia, supraspinous ligament T3 Insertion: Teres major tuberosity Action: retracts the limb and flexes the shoulder Innervation: thoracodorsal nerve
53
Blue
Scalenus ## Footnote 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
Purple
Rectus Abdominis ## Footnote Origin: Ribs 4-9 Insertion: prepubic tendon, head of femur Action: flexes spine Innervation: local intercostal and lumbar nerves
55
Psoas Major ## Footnote 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
Transversus Abdominus ## Footnote 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
Tensor Fascia Lata ## Footnote 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
Dark Blue on left
Biceps femoris ## Footnote 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
Purple center photo
Semitendinosus ## Footnote 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
light blue - far right
Semimebranosus ## Footnote 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
Yellow
Long digital extensor ## Footnote Origin: extensor fossa of femur Insertion: extensor process of P3 Action: extends the digit, flexes hock Innervation: peroneal nerve
62
Blue
Lateral digital extensor (pelvic) ## Footnote Origin: fibula and lateral collateral ligament of stifle Insertion: long digital extensor tendon Action: extends digit, flexes hock Innervation: peronial nerve
63
Green
Deep digital Flexor (hind) ## Footnote 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
Middle Gluteal ## Footnote Origin: longissimus lumborum, ilium, thoracolumbar fascia, sacrum and sacrosciatic Insertion: caudal aspect of grater trochanter Action: extends hip Innervation: cranial gluteal nerve
65
Caudal tibia (superficial head of DDF)
Origin: caudal aspect of tibia Insertion: plantar P3 Action: extends hock and flexes digit Innervation: tibial nerve
66
Cranial Tibial
Origin: lateal condyle and tibia tuberosity Insertion: 1st, 2nd, 3rd tarsal bones Action: flexes hock Innervation: peroneal nerve
67
Gastrocnemius
Origin: medial and lateral supracondylar tuberosities of femur Insertion: calcanean tuber Action: extends hock and flexes stifle Innervation: tibial nerve
68
Gracilis
Origin: pelvic symphysis Insertion: crural fascia, cranial tibia and medial patellar ligament Action: adduct the limb Innervation: obturator nerve
69
Iliacus
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
Iliocostalis
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
Longissimus
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
Peroneus Tertius
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
Psoas Minor
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
Rectus Femoris
Origin: Ilium Insertion: quadriceps tendon to middle patellar ligament and cranial tibia Action: flexes hip and extends stifle Innervation: femoral nerve
75
Serratus ventralis cervicus
Origin: Transverse processes of C4-C7 Insertion: Medial scapula Action: supports the trunk, stabilizes center of rotation of scapula Innervation: local cervical nerves
76
Superficial Digital Flexor Pelvic Limb
Origin: supracondylar fossa of the femur Insertion: calcanean tuber, P1 and P2 Action: reciprocal apparatus, supports fetlcok and pastern Innervation: tibial nerve
77
Superficial Gluteal
Origin: tuber coxa Insertion: 3rd trochanter and fascia lata Action: flexes hip Innervation: cranial and caudal gluteal nerve
78
Vastus intermedius
Origin: cranial aspect of femur Insertion: quadriceps tendon to middle patellar ligament and cranial tibia Action: extends stifle Innervation: femoral nerve
79
Vastus lateralis
Origin: lateral aspect of femur Insertion: quadriceps tendon to middle patellar ligament and cranial tibia Action: extends stifle Innervation: femoral nerve
80
Vastus Medialis
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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