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Flashcards

Pelvic Limb Muscles Lab

Kelbi Padilla Anatomy English 40 cards

Cards in this deck (40)

  1. 1The rump muscles are also known as the ___ muscles. Which muscles belong to this group? What is the common action?-Lateral pelvis muscles
    -Superficial gluteal, middle gluteal, deep gluteal, piriformis (not dissected) muscles
    -Extend coxal joint
  2. 2What muscles make up the caudal muscles of the thigh? What is/are their action(s)?-Biceps femoris, semitendinosus, semimembranosus muscles
    -Extend coxal joint, flex stifle joint, extend tarsal joint
  3. 3What muscles make up the medial muscles of the thigh? What is their common action?-Pectineus, gracilis, adductor, sartorius muscles
    -Adduct the limb
  4. 4What muscles make up the cranial muscles of the thigh? What is their common action?-Quadriceps femoris, tensor fasciae latae
    -Extend stifle joint
  5. 5What muscles make up the craniolateral muscles of the leg? What are their common actions?-Cranial tibial, long digital extensor, peroneus longus, lateral digital extensor (not dissected), peroneus brevis (not dissected)
    -Flex tarsal joints, extend interphalangeal joint
  6. 6What muscles make up the caudal muscles of the leg? What are their common actions?-Gastrocnemius, superficial digital flexor, deep digital flexor, popliteus muscles
    -Extend tarsal joints, flex interphalangeal joints, (popliteus flexes stifle joint)
  7. 7What is the term for the shiny sheet of fascia on the lateral surface of the thigh?Fascia lata
  8. 8The deep gluteal fascia is continuous with the ___ that covers the epaxial muscles.thoracolumbar fascia
  9. 9OIA of Superficial gluteal muscle:-Origin: Sacrum and first caudal vertebrae; Sacrotuberous ligament
    -Insertion: Third trochanter of femur
    -Action: Extend the hip joint and abduct the limb at the hip joint
  10. 10OIA of Middle gluteal muscle:-Origin: Wing of the ilium
    -Insertion: Greater trochanter of the femur
    -Action: Extend the hip joint and rotate the limb medially
  11. 11OIA of Deep gluteal muscle:-Origin: Body of the ilium; Ischiatic spine
    -Insertion: Greater trochanter of femur
    -Action: Extend the hip joint; Rotate the limb medially
  12. 12OIA of Biceps femoris muscle:-Origin: Sacrotuberous ligament and ischiatic tuberosity
    -Insertion: Patella, patellar ligament, and cranial border of the tibia via the fascia lata and crural fascia; Calcaneus via crural fascia
    -Action: Extend hip jt; Extend stifle jt (when limb is fixed and bearing weight); Flex stifle jt (when limb is not bearing weight); Extend the tarsal/hock jts (due to the portion that inserts on the calcaneus)
  13. 13What is the most commonly used site for intramuscular injections in dogs?Biceps femoris m., due to its size and location
  14. 14What is the lymph node called that is on the deep face of the caudal aspect of the biceps femoris m.?Popliteal lymph node
  15. 15Which nerve is seen between the Biceps femoris m. and the deeper muscles? Why does this make the muscle a disadvantageous to use for injections?-Sciatic nerve
    -A misplaced injection can cause paralysis (especially in small dogs and cats) which is usually temporary
  16. 16OIA of Semitendinosus muscle:-Origin: Ischiatic tuberosity
    -Insertion: Medial surface of body of tibia; Calcaneus via crural fascia
    -Action: Extend hip jt; Extend stifle jt (weight bearing); Flex stifle jt (non-weight bearing); Extend tarsal jts
  17. 17OIA of Semimembranosus muscle:-Origin: Ischiatic tuberosity
    -Insertion: Caudal surface of distal femur; Proximal end of tibia
    -Action: Extend hip jt; Flex or extend stifle jt
  18. 18OIA of Sartorius muscle:-Origin: Ventral border of cranial ilium and adjacent fascia
    -Insertion: Patella and cranial border of tibia
    -Action: Flex hip jt, Flex or extend stifle jt depending on which part is contracting (cranial or caudal)
  19. 19OIA of Pectineus muscle:-Origin: Iliopubic eminence, cranial pubic ligament
    -Insertion: Caudomedial aspect of distal femur
    -Action: Adduct the limb
  20. 20What are the boundaries of the femoral triangle? What does the triangle surround?-Sartorius m. cranially, pectineus and adductor mm. caudally, and abdominal wall is the base of the triangle
    -Surrounds the femoral vessels
  21. 21Where is a good place to feel the pulse on a live dog?The femoral artery located in the femoral triangle
  22. 22OIA of Gracilis muscle:-Origin: Pelvic symphysis
    -Insertion: Cranial border of tibia and tuber calcanei
    -Action: Adduct the limb, extend the hip jt, flex the stifle jt, extend the tarsal jts
  23. 23Which muscle has an aponeurotic origin?Gracilis muscle
  24. 24OIA of Adductor muscle:-Origin: Pelvic symphysis and adjacent ischial arch, and ventral pubis and ischium
    -Insertion: Lateral lip of the caudal surface of the femur
    -Action: Adduct the limb and extend the hip jt
  25. 25OIA of Tensor fascia latae muscle:-Origin: Tuber coxae and adjacent part of the ilium
    -Insertion: Lateral femoral fascia
    -Action: Tense the lateral femoral fascia; Flex the hip jt and extend the stifle jt
  26. 26OIA of Quadriceps femoris muscle:-Origin: Rectus femoris- Tuberosity for the rectus femoris; Vastus lateralis, medialis, and intermedius- Proximal femur
    -Insertion: Tibial tuberosity
    -Action: Extend stifle jt; Rectus femoris also flexes the hip jt
  27. 27The patella is a large sesamoid bone which is embedded in what?The tendon of the quadriceps femoris muscle as it crosses the trochlea of the femur
  28. 28The ___ muscle is the primary extensor of the stifle jt and thus must be functional in order to bear weight on the limb.Quadriceps femoris muscle
  29. 29Which muscle is a common site for IM injections in children and is sometimes used in animals?Quadriceps femoris m.
  30. 30On the lateral aspect of the crus is a large superficial vessel- the cranial branch of the ___. What is its clinical significance?-Lateral saphenous vein
    -Can be used for IV injection and blood sample collection
  31. 31The deep crural fascia contributes to the formation of which tendon?Common calcanean tendon (aka calcaneal or Achilles tendon)
  32. 32The thick band of connective tissue running from the distal third of the fibula to the medial malleolus of the tibia is called: What's its function?-Crural extensor retinaculum
    -Binds down the tendons of the cranial tibial and long digital extensor muscles
  33. 33OIA of Cranial tibial muscle:-Origin: Extensor groove and cranial border of tibia
    -Insertion: Proximal plantar surface of the first and second metatarsal bones
    -Action: Flex the tarsal joints
  34. 34OIA of Long digital extensor muscle:-Origin: Extensor fossa of femur
    -Insertion: Dorsal aspect of distal phalanges of weight bearing digits (2-5)
    -Action: Flex tarsal joints; Extend metatarsophalangeal and interphalangeal joints of digits 2-5
  35. 35OIA of Peroneus longus muscle:-Origin: Lateral condyle of tibia, fibular head, lateral collateral ligament of stifle jt
    -Insertion: Fourth tarsal bone, plantar aspect of the proximal ends of the metatarsal bones
    -Action: Flex the tarsal joints
  36. 36The common calcanean tendon is composed primarily of the tendons of these muscles:-Gastrocnemius and Superficial digital flexor of the crus muscles
    -In canines, the crural fascia is also a component of this tendon, thus the tendon is also an insertion of the biceps femoris, semitendinosus, and (in the dog) gracilis muscles
  37. 37OIA of Gastrocnemius muscle:-Origin: Medial and lateral supercondylar tuberosities of the femur
    -Insertion: Tuber calcanei
    -Action: Flex the stifle jt; Extend the tarsal jts
  38. 38OIA of Superficial digital flexor of the crus muscle:-Origin: Lateral supercondylar tuberosity of the femur
    -Insertion: Tuber calcanei, plantar aspect of the proximal end of the middle phalanges of digits 2-5
    -Action: Flex the stifle jt; Extend the tarsal jts; Flex the metatarsophalangeal and proximal interphalangeal jts of digits 2-5
  39. 39OIA of Deep digital flexor of the crus muscle:-Origin: Caudal aspect of the proximal tibia, fibula, and interosseous membrane
    -Insertion: Plantar surface of the base of the distal phalanges of all 5 digits
    -Action: Extend the tarsal jts; Flex the metatarsophalangeal jts; Flex proximal and distal interphalangeal jts of all 5 digits
  40. 40OIA of Popliteus muscle:-Origin: Popliteal fossa of the femur
    -Insertion: Caudal and medial surface of the proximal tibia
    -Action: Flex the stifle jt; Rotate leg medially

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Anatomy Flashcards on Pelvic Limb Muscles Lab, created by Kelbi Padilla on 30/09/2019.
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Kelbi Padilla
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