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Dog PL
OIAN for pelvic limb
26
Anatomy
Graduate
09/03/2012

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Cards

Term
biceps femoris m.
Definition
O: acrotuberous ligament & ishiatic tuberosity
I: by means of fascia lata & crural fascia to patella, patellar ligament & cranial border of tibia; by means of crural fascia to subcutaneous part of tibial body; tuber calcanei
A: extend hip, stifle, & hock; caudal part of muscle flexes the stifle
N: sciatic nerve
Term
semitendinosus m.
Definition
O: ischiatic tuberosity
I: disto-cranial border of tibia; medial surface of the body of the tivia & tuber calcanei by means of crural fascia
A: extend hip, flex stifle, & extend hock
N: sciatic nerve
Term
semimembranosus m.
Definition
O: ischiatic tuberosity
I: distal medial lip of the caudal rough surface of the femur & medial condyle of tibia
A: to extend the hip; part that attaches to femure extends stifle; part that attaches to the tibia flexes or extends stifle, depending on position of limb
N: sciatic nerve
Term
sartorius m.
Definition
O: cranial part - crest of ilium & thoracolumbar fascia; caudal part - cranial ventral iliac spine & adjacent ventral border of ilium
I: cranial part - patella, in common w the rectus femoris of quad; caudal part - cranial border of tibia, in common w gracilis
A: to flex the hip; cranial part extends stifle; caudal part flexes stifle
N: femoral nerve
Term
gracilis m.
Definition
O: pelvic symphysis by means of symphysial tendon
I: cranial border of tibia & w/ semitendinosus, tuber calcanei
A: to adduct limb, flex stifle, & extend hip & hock
N: obturator nerve
Term
pectineus
Definition
O: from iliopubic eminence & pubic tubercle via prepubic tendon
I: distal end of medial lip of caudal rough face of femur
A: to adduct limb
N: obturator nerve
Term
adductor (adductor magnus et brevis & adductor longus)
Definition
O: entire pelvic symphysis by means of the symphysial tendon, adjacent part of ischiatic arch, & ventral surface of pubis & ischium
I: entire lateral lip of caudal rough face of the femur
A: adduct the limb & extend the hip
N: obturator nerve
Term
tensor fasciae latae m.
Definition
O: tuber coxae and adjacent part of ileum (hip bone); aponeurosis of middle gluteal muscle
I: lateral femoral fascia
A: to tense lateral femoral fascia; flex hip; extend stifle
IN: cranial gluteal nerve
Term
superficial gluteal m.
Definition
O: lateral border of sacrum and 1st caudal vertebra, partly via sacrotuberous ligament; cranial dorsal iliac spine via deep gluteal fascia
I: third trochanter
A: to extend hip; abduct limb
IN: caudal gluteal nerve
Term
middle gluteal m.
Definition
O: crest and gluteal surface of ilium
I: greater trochanter
A: to extend and abduct hip; rotate pelvic limb medially
IN: cranial gluteal nerve
Term
deep gluteal m.
Definition
O: body of ilium; ischiatic spine
I: cranial aspect of greater trochanter
A: to extend and abduct hip; rotate pelvic limb medially
IN: cranial gluteal nerve
Term
articularis coxae m.
Definition
O: lateral surface of ilium (hip bone)
I: neck of femur

*spindle-shaped; covered by deep gluteal; lies over craniolateral aspect of hip joint capsule
Term
Caudal Hip Muscles (4)
Definition
1. internal obturator
2. gemelli (2 fused muscles)
3. quadratus femoris
4. external obturator
Term
internal obturator m.
Definition
O: symphysis pelvis and dorsal surface of ischium + pubis
I: trochanteric fossa of femur
A: to rotate pelvic limb laterally at hip
IN: sciatic nerve
Term
gemelli m.
Definition
O: lateral surface of ischium (caudal to acetabulum; ventral to lesser ischiatic notch
I: trochanteric fossa
A: to rotate pelvic limb laterally at hip
IN: sciatic nerve
Term
quadratus femoris m.
Definition
O: ventral surface of the caudal part of ischium
I: intertrochanteric crest
A: to extend hip; rotate pelvic limb laterally
IN: sciatic nerve
Term
external obturator m.
Definition
O: ventral surface of pubis and ischium
I: trochanteric fossa
A: to rotate pelvic limb laterally
IN: obturator nerve
Term
quadratus femoris m.
Definition
*4 heads of origin that distally fuse
origins differ, however insertion, action, and innervation largely the same

I: tibial tuberosity
A: extend stifle
IN: femoral nerve

1.) rectus femoris
O: ilium (cranial to acetabulum)
A: ALSO FLEXES HIP (only head attached to pelvis)

2.) vastus lateralis
O:proximal part of lateral lip of caudal rough surface of femur

3.) vastus intermedius
O: lateral side of proximal end of femur (same as vastus lateralis, which covers it)

4.) vastus medialis
O: medial side of proximal end of cranial surface of femur; proximal end of medial lip of caudal rough surface
Term
iliopsoas m.
Definition
* fusion of 2 muscles: psoas major and iliacus (origins differ)

1.) psoas major
O: transverse processes + bodies of lumbar vertebrae

2.) iliacus
O: smooth ventral surface of ilium (b/w arcuate line and lateral border)

I: lesser trochanter
A: to flex hip
IN: ventral branches of lumbar spinal nerves; femoral n.
Term
cranial tibial m.
Definition
O: extensor groove and adjacent articular margin of tibia; lateral edge of cranial tibial border
I: plantar surface of base of metatarsals I + II
A: to flex tarsocrural joint; to rotate paw laterally so plantar surface faces medially
IN: fibular nerve
Term
long digital extensor m.
Definition
O: extensor fossa of femur
I: extensor processes of distal phalanges of digits II-V
A: to extend digits; flex tarsus
IN: fibular nerve
Term
fibularis longus m.
Definition
O: lateral condyle of tibia; proximal end of fibula; lateral epicondyle of femur via lateral collateral ligament of stifle
I: 4th tarsal bone; plantar aspect of base of metatarsals
A: to flex tarsus; rotate paw medially so plantar surface faces laterally
IN: fibular nerve
Term
gastrocnemius m.
Definition

O: The medial and later supracondylar tuberosities of the femur

I: The proximal dorsal surface of the tuber calcanei

A: To extend the tarsus and flex the stifle

N: Tibial n.

 

Term
superficial digital flexor m.
Definition

O: The lateral supracondylar tuberosity of the femur

I: The tuber calcanei and the bases of the middle phalanges of digits II, III, IV, V

A: To flex the first two digital joints of the four principal digits; flex the stifle; extend the tarsus

N: Tibial n.

Term

Deep digital flexor m.

(lateral digital flexor and medial digital flexor mm.)

Definition

O:The caudal aspect of the proximal two thirds of the tibia, the proximal half of the fibula, and the adjacent interosseous membrane

I: The flexor tubercle on the plantar surface of the base of each of the distal phalanges

A: To flex the digits and extend the tarsus

N: Tibial n.

Term
popliteus m.
Definition

O: The lateral epicondyle of the femur

I: The proximal third of the caudal surface of the tibia

A: To rotate the leg medially

N: Tibial n.

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