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Anatomy > Hindlimb Muscles > Flashcards

Hindlimb Muscles Flashcards

1
Q

Biceps Femoris

A 
O = Sacrotuberous ligament and ischiatic tuberosity
I = Fascia lata and crural fascia to patella, patella ligament and cranial border tibia
A = Extend hip, stifle and hock. Caudal part flex stifle 
N = Sciatic nerve (Ischiatic)
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2
Q

Semitendinosus

A 
O = Ischiatic tuberosity 
I = Calcanean tendon onto calcaneal tuberosity
A = Extend hip, stifle, tarsus, flex stifle
N = Sciatic nerve
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3
Q

Semimembranosus

Lateral & medial heads

A 
O = Ischiatic tuberosity
I = Distal medial lip of caudal rough surface of femur and medial condyle tibia
A = Extend hip, the part attaching to femur extends stifle. Part attaching to tibia flex/extend stifle
N = Sciatic nerve
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4
Q

Sartorius

cranial and caudal parts

A 
Cranial part 
O = Crest of ilium
I = Aponeurosis onto crural fascia, patella 
A = Flex hip, extend stifle 
N = Femoral nerve
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5
Q

Gracilis

A 
O = Pelvic symphysis (symphysial tendon)
I = Cranial border tibia, tuber calcanei 
A = Adduct limb, flex stifle, extend hip and hock
N = Obturator nerve
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6
Q

Pectineus

A 
O = Iliopubic eminence and prepubic tendon
I = caudal femur
A = Adduct limb
N = Obturator nerve
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7
Q

Adductor

2 muscles - magnus et brevis and longus

A 
O = Entire pelvic symphysis by symphysial tendon
I = Medial femur
A = Adduct limb, extend hip 
N = Obturator nerve
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8
Q

Tensor Fasciae Latae

A 
O = Tuber coxae and adjacent ilium, aponeurosis of middle glute 
I = Lateral femoral fascia 
A = Tense lateral femoral fascia, flex hip, extend stifle 
N = Cranial gluteal nerve
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9
Q

Superficial Gluteal

A 
O = Lateral border sacrum and first caudal vertebra (sacrotuberous ligament) and cranial dorsal iliac spine
I = 3rd trochanter 
A = Extend hip, abduct limb 
N = Caudal gluteal nerve
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10
Q

Middle Gluteal

A 
O = Crest and gluteal surface of ilium 
I = Greater trochanter 
A = Extend and abduct hip
N = Cranial gluteal nerve
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11
Q

Deep Gluteal

A 
O = Shaft of ilium
I = Greater trochanter 
A = Hip Extension
N = Cranial gluteal nerve
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12
Q

Internal Obturator

lines the inside of the pelvis

A 
O = Pubis and ischium
I = Trochanteric fossa of femur (small strong tendon) - lies over gemelli muscle
A = Outward rotation of hip
N = Sciatic nerve (ischiatic)
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13
Q

Quadratus Femoris

A 
O = Ventral ischium
I = Trochanteric fossa
A = Outward rotation hip
N = Sciatic Nerve (ischiatic)
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14
Q

External Obturator

A 
O = Ventral surface pubis and ischium 
I = Trochanteric fossa 
A = Rotate pelvic limb laterally 
N = Obturator nerve
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15
Q

Quadriceps Femoris

Name of the 4 heads?

A

Rectus Femoris
Vastus Lateralis
Vastus Intermedius
Vastus Medialis

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16
Q

Quadriceps Femoris

A 
O = Rectus femoris - ilium, vasti muscles - proximal femur 
I = Tibial tuberosity 
A = extend stifle, flex hip
N = Femoral nerve
17
Q

Iliopsoas

A 
O = Psoas major - lumbar vertebrae, iliacus - cranioventral ilium
I = Lesser trochanter 
A = Flex hip
N = Lumbar spinal nerves, femoral nerve
18
Q

Cranial Tibial Muscle

A 
O = extensor groove and adjacent articular margin of tibia, lateral edge of cranial tibial bordere
I = plantar surface of base of metatarsals I and II
A = flex tarsocrural joint, rotate paw laterally 
N = Fibular nerve
19
Q

Long Digital Extensor

A 
O = Extensor fossa of femur
I = extensor processes of distal phalanges, digits II, III, IV, V
A = Extend digits, flex tarsus
N = Fibular nerve
20
Q

Fibularis Longus

A 
O = Lateral condyle tibia, proximal end fibula, lateral epicondyle of femur (lateral collateral ligament of stifle)
I = 4th tarsal bone, plantar aspect of base metatarsals 
A = Flex tarsus, rotate paw medially
I = Fibular nerve
21
Q

Gastrocnemius

A 
O = Medial and lateral supracondylar tuberosities of femur 
I = Proximal dorsal surface of tuber calcanei 
A = extend tarsus, flex stifle
N = Tibial nerve
22
Q

Superficial Digital Flexor

A 
O = Lateral supracondylar tuberosity of femur 
I = Tuber calcanei & bases of middle phalanges II, III, IV, V
A = Flex 1st 2 digital joints, flex stifle, extend tarsus
N = Tibial nerve
23
Q

Deep Digital Flexor

composed of lateral digital flexor & medial digital flexor

A 
O = Proximal 2/3 tibia, proximal 1/2 fibula
I = Flexor tubercle on plantar surface of base of distal phalanges
A = Flex digits, extend tarsus
N = Tibial nerve
24
Q

Popliteus

A 
O = Lateral epicondyle femur
I = Proximal 3rd caudal surface tibia
A = Rotate leg medially
N = Tibial nerve
25
Q

Piriformis

A 
O = Last sacral vertebra
I = 3rd trochanter
A = Hip extension
N = Caudal gluteal nerve
26
Q

Tenuissimus

unimportant muscle

A 
O = Sacrotuberous ligament 
I = Crural fascia 
A = Flex stifle 
N = Ischiatic nerve

Anatomy (2 decks)

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