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35 Cards in this Set
- Front
- Back
T or F:
The third trochanter is only present in the horse. |
True!
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Which side of the tibia (lateral or medial) is the extensor groove on?
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Lateral
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On which side of the femur (lateral or medial) is the third trochanter located?
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Lateral
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Which nerve innervates the muscles located on the cranial aspect of the femur?
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Femoral n.
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Which nerve innervates the muscles located on the caudal aspect of the femur?
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Sciatic n.
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Which nerve innervates the muscles located on the cranial/dorsal aspect of the crus/pes?
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Peroneal n.
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Which nerve innervates the muscles located on the caudal/plantar aspect of the crus/pes
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Tibial n.
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Which nerve is responsible for the innervation of most of the adductors?
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Obturator n.
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Which nerve innervates the muscles located in the cranial pelvic region?
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Cranial gluteal n.
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Which nerve innervates the muscles located in the caudal pelvic region?
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Caudal gluteal n.
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Which muscles flex the hip?
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Iliopsoas (Iliacus and psoas major)
Tensor fascia latae Superficial gluteal Rectus femoris Pectineus |
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Which muscles extend the hip?
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Middle gluteal
Biceps femoris (cranial and middle parts) Gluteobiceps Semitendinosus Semimembranosus Adductor Quadratus femoris |
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Which muscles extend the stifle joint?
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Tensor fascia latae
Quadriceps (vastus lateralis, intermedius, medialis, and rectus femoris) Biceps femoris (cranial part) Gluteobiceps |
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Which muscles flex the stifle joint?
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Biceps femoris (middle part maybe)
Gluteobiceps Semitendinosus Semimembranosus Gracilis (ox) |
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Which muscles are adductors of the pelvic limb?
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Semimembranosus
Sartorius Gracilis Pectineus Adductor Quadratus femoris External obturator |
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Which muscles are abductors of the pelvic limb?
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Superficial gluteal
Middle gluteal Deep gluteal Biceps femoris (cranial part) Gluteobiceps |
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Which muscles have actions on the pelvis? What is the action(s)?
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Psoas minor flexes the pelvis or moves it laterally
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Which muscles rotate the thigh laterally?
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Iliopsoas (psoas major and iliacus)
Gemelli Internal obturator External obturator |
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Which muscles rotate the thigh medially?
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Deep gluteal
Semitendinosus Adductor Middle gluteal (ox) |
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T or F:
Femoral nerve damage would result in the inability for a horse to extend the stifle and flex the hip. |
Stifle extension would be impacted greatly but Pectineus (obturator), superficial gluteal (cranial/caudal gluteal nn), and iliopsoas (lumbar spinal nn. and femoral n) would still be able to contract allowing for hip flexion.
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Which muscles does the femoral nerve innervate in the horse?
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Psoas major
Iliacus Quadriceps (all four heads) |
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T or F:
The greater ischiatic foramen is located cranial to the ischiatic spine. |
True! The lesser is caudal to the acetabulum. Foramina are separated by the ischiatic spine.
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T or F:
The fibula is on the medial aspect of the tibia. |
False bitch! It is lateral!
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Let's play horse or ox:
I have a more extensive vastus intermedius... |
OX!
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Damage to what muscle results in trochanteric bursitis in the horse?
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Accessory head of middle gluteal muscle.
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Which muscle is most affected in fibrotic myopathy?
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Semitendinosus.
Caused by scar tissue and possible adhesions after injury. |
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Which muscles raise the femoropatellar joint capsule during extension?
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Quadriceps femoris
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T or F:
All muscles innervated by the obturator nerve adduct the limb in at least one of their actions. |
True
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T or F:
All adductors of the limb are innervated by the obturator nerve. |
False! Sartorius is innervated by saphenous; semimembranosus and quadratus femoris are innervated by saphenous.
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Which structures pass between the two heads of origin of sartorius in the ruminant?
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Femoral a., v., and n.
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T or F:
All muscles innervated by the femoral nerve extend the stifle in at least one of their actions. |
False!
Iliacus and Psoas major have no action on the stifle! |
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Which muscles comprise the pelvic diaphragm?
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Levator ani
Coccygeus |
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Which muscles are involved with rearing and kicking?
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Biceps femoris
Middle gluteal |
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Which muscle fixes the anus during defecation?
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Levator ani
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Between which two structures is the trochanteric bursa located?
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Greater trochanter and accessory head of middle gluteal
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