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Canine Hindlimb
Origin, Insertion, Action, Innervation
100
Anatomy
Graduate
10/23/2012

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Term
Biceps femoris origin?
Definition
Sacrotuberous ligament and ischiatic tuberosity.
Term
Biceps femoris insertion?
Definition
Fascia lata and crural fascia to patella, patellar ligament, and cranial border of tibia; crural fascia to subcutaneous part of tibial body (tuber calcanei)
Term
Biceps femoris action?
Definition
Extends hip, stifle, and hock. Caudal part flexes stifle.
Term
Biceps femoris innervation?
Definition
Sciatic nerve
Term
Semitendinosus origin?
Definition
Ischiatic tuberosity
Term
Semitendinosus insertion?
Definition
Disto-cranial border of tibia; medial surface of body of tibia and tuber calcanei by means of crural fascia.
Term
Semitendinosus action?
Definition
Extends hip, flexes stifle, extends hock.
Term
Semitendinosus innervation?
Definition
Sciatic nerve
Term
Semimembranosus origin?
Definition
Ischiatic tuberosity.
Term
Semimembranosus insertion?
Definition
Distal medial lip of caudal surface of femur and medial condyle of tibia.
Term
Semimembranosus action?
Definition
Extends hip. Part attached to femur extends stifle; part attached to tibia flexes or extends stifle depending on limb position.
Term
Semimembranosus innervation?
Definition
Sciatic nerve.
Term
Sartorius origin?
Definition
Cranial part - crest of ilium and thoracolumbar fascia.
Caudal part - cranial ventral iliac spine and adjacent ventral border of ilium
Term
Sartorius insertion?
Definition
Cranial part - patella, in common with rectus femoris of quadriceps.
Caudal part - cranial border of tibia, in common with gracilis.
Term
Sartorius action?
Definition
Flexes hip. Cranial part extends stifle. Caudal part flexes stifle.
Term
Sartorius innervation?
Definition
Femoral nerve.
Term
Gracilis origin?
Definition
Pelvic symphysis by means of symphysial tendon.
Term
Gracilis insertion?
Definition
Cranial border of tibia and, with semitendinosus, the tuber calcanei.
Term
Gracilis ation?
Definition
Adducts limb, flexes stifle, extends hip and hock.
Term
Gracilis innervation?
Definition
Obturator nerve.
Term
Pectineus origin?
Definition
From iliopubic eminence and pubic tubercle via prepubic tendon.
Term
Pectineus insertion?
Definition
Distal end of medial lip of caudal rough face of femur.
Term
Pectineus action?
Definition
Adducts limb.
Term
Pectineus innervation?
Definition
Obturator nerve.
Term
Adductor origin?
Definition
Entire pelvic symphysis by means of symphysial tendon; adjacent part of ischiatic arch and ventral surface of pubis and ischium.
Term
Adductor insertion?
Definition
Entire lateral lip of caudal rough face of femur.
Term
Adductor action?
Definition
Adducts limb, extends hip.
Term
Adductor innervation?
Definition
Obturator nerve.
Term
Tensor fasciae latae origin?
Definition
Tuber coxae and adjacent part of ilium, aponeurosis of middle gluteal muscle.
Term
Tensor fasciae latae insertion?
Definition
Lateral femoral fascia.
Term
Tensor fasciae latae action?
Definition
Tenses lateral femoral fascia, flexes hip, extends stifle.
Term
Tensor fasciae latae innervation?
Definition
Cranial gluteal nerve.
Term
Superficial gluteal origin?
Definition
Lateral border of sacrum and first caudal vertebra, partly by means of sacrotuberous ligament; cranial dorsal iliac spine by means of deep gluteal fascia.
Term
Superficial gluteal insertion?
Definition
Third trochanter.
Term
Superficial gluteal action?
Definition
Extends hip, abducts limb.
Term
Superficial gluteal innervation?
Definition
Caudal gluteal nerve.
Term
Middle gluteal origin?
Definition
Crest and gluteal surface of ilium.
Term
Middle gluteal insertion?
Definition
Greater trochanter.
Term
Middle gluteal action?
Definition
Extends and abducts hip and rotates pelvic limb medially.
Term
Middle gluteal innervation?
Definition
Cranial gluteal nerve.
Term
Deep gluteal origin?
Definition
Body of ilium; ischiatic spine.
Term
Deep gluteal insertion?
Definition
Cranial aspect of greater trochanter.
Term
Deep gluteal action?
Definition
Extends and abducts hip, rotates pelvic limb medially.
Term
Deep gluteal innervation?
Definition
Cranial gluteal nerve.
Term
Internal obturator origin?
Definition
Symphysis pelvis and dorsal surface of ischium and pubis.
Term
Internal obturator insertion?
Definition
Trochanteric fossa of femur.
Term
Internal obturator action?
Definition
Rotate pelvic limb laterally at hip.
Term
Internal obturator innervation?
Definition
Sciatic nerve.
Term
Gemelli origin?
Definition
Lateral surface of ischium, caudal to acetabulum and ventral to lesser ischiatic notch.
Term
Gemelli insertion?
Definition
Trochanteric fossa.
Term
Gemelli action?
Definition
Rotates pelvic limb laterally at hip.
Term
Gemelli innervation?
Definition
Sciatic nerve.
Term
Quadratus femoris origin?
Definition
Ventral surface of caudal part of ischium.
Term
Quadratus femoris insertion?
Definition
Intertrochanteric crest.
Term
Quadratus femoris action?
Definition
Extends hip and rotates pelvic limb laterally.
Term
Quadratus femoris innervation?
Definition
Sciatic nerve.
Term
External obturator origin?
Definition
Ventral surface of pubis and ischium.
Term
External obturator insertion?
Definition
Trochanteric fossa.
Term
External obturator action?
Definition
Rotates pelvic limb laterally.
Term
External obturator innervation?
Definition
Obturator nerve.
Term
Rectus femoris origin?
Definition
Ilium.
Term
Rectus femoris insertion?
Definition
Tibial tuberosity.
Term
Rectus femoris action?
Definition
Extends stifle and flexes hip.
Term
Rectus femoris innervation?
Definition
Femoral nerve.
Term
Vasti lateralis, intermedius, and medialis origin?
Definition
Proximal femur.
Term
Vasti lateralis, intermedius, and medialis insertion?
Definition
Tibial tuberosity.
Term
Vasti lateralis, intermedius, and medialis action?
Definition
Extends stifle.
Term
Vasti lateralis, intermedius, and medialis innervation?
Definition
Femoral nerve.
Term
Iliopsoas (Psoas Major and Iliacus) origin?
Definition
Psoas major - lumbar vertebrae.
Iliacus - cranioventral ilium.
Term
Iliopsoas (Psoas Major and Iliacus) insertion?
Definition
Lesser trochanter.
Term
Iliopsoas (Psoas Major and Iliacus) action?
Definition
Flexes hip.
Term
Iliopsoas (Psoas Major and Iliacus) innervation?
Definition
Ventral branches of lumbar spinal nerves; femoral nerve.
Term
Cranial tibial origin?
Definition
Extensor groove and adjacent articular margin of tibia; lateral edge of cranial tibial border.
Term
Cranial tibial insertion?
Definition
Plantar surface of base of metatarsals I and II.
Term
Cranial tibial action?
Definition
Flexes tarsocrural joint and rotates paw laterally so plantar surface faces medially.
Term
Cranial tibial innervation?
Definition
Fibular nerve.
Term
Long digital extensor origin?
Definition
Extensor fossa of femur.
Term
Long digital extensor insertion?
Definition
Extensor processes of distal phalanges of digits II, III, IV, and V.
Term
Long digital extensor action?
Definition
Extends digits, flexes tarsus.
Term
Long digital extensor innervation?
Definition
Fibular nerve.
Term
Fibularis longus origin?
Definition
Lateral condyle of tibia, proximal end of fibula, lateral epicondyle of femur by means of lateral collateral ligament of stifle.
Term
Fibularis longus insertion?
Definition
4th tarsal bone; plantar aspect of base of metatarsals.
Term
Fibularis longus action?
Definition
Flexes tarsus and rotates paw medially so plantar surface faces laterally.
Term
Fibularis longus innervation?
Definition
Fibular nerve.
Term
Gastrocnemius muscle origin?
Definition
Medial and lateral supracondylar tuberosities of femur.
Term
Gastrocnemius muscle insertion?
Definition
Proximal dorsal surface of tuber calcanei.
Term
Gastrocnemius muscle action?
Definition
Extends tarsus and flexes stifle.
Term
Gastrocnemius muscle innervation?
Definition
Tibial nerve.
Term
Superficial digital flexor origin?
Definition
Lateral supracondylar tuberosity of femur.
Term
Superficial digital flexor insertion?
Definition
Tuber calcanei and bases of middle phalanges of digits II, III, IV, and V.
Term
Superficial digital flexor action?
Definition
Flexes first two digital joints of four principal digits; flexes stifle; extends tarsus.
Term
Superficial digital flexor innervation?
Definition
Tibial nerve.
Term
Medial digital flexor origin?
Definition
Caudal aspect of proximal 2/3 of tibia, proximal half of fibula, and adjacent interosseous membrane.
Term
Medial digital flexor insertion?
Definition
Flexor tubercle on plantar surface of base of distal phalanges.
Term
Medial digital flexor action?
Definition
Flexes digits and extends tarsus.
Term
Medial digital flexor innervation?
Definition
Tibial nerve.
Term
Popliteus origin?
Definition
Lateral epicondyle of femur.
Term
Popliteus insertion?
Definition
Proximal third of caudal surface of tibia.
Term
Popliteus action?
Definition
Rotates leg medially.
Term
Popliteus innervation?
Definition
Tibial nerve.
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