Lecture 12 - Muscles Flashcards
What is the origin of tensor fasciae latae?
Tuber coxae; aponeurosis of middle gluteal m.
What is the insertion of tensor fasciae latae?
Lateral femoral fascia
What is the nerve of tensor fasciae latae?
Cranial gluteal n.
What is the action of tensor fasciae latae?
Tense lateral femoral fascia; flex hip (advance); extend stifle (advance)
What is the origin of gluteus medius?
Crest and gluteal surface of ilium
What is the insertion of gluteus medius?
Greater trochanter
What is the nerve of gluteus medius?
Cranial gluteal n.
What is the action of gluteus medius?
Extend (retract) and abduct the hip; rotate the pelvic limb medially at the hip
What is the origin of gluteus superficialis?
Lateral border of sacrum and first caudal vert.; sacrotuberous ligament; cranial dorsal iliac spine via deep gluteal fascia
What is the insertion of gluteus superficialis?
Third trochanter
What is the nerve of gluteus superficialis?
Caudal gluteal n.
What is the action of gluteus superficialis?
Extend (retract) and abduct the hip
What is the origin of gluteus profundus?
Body of the ilium; ischial spine
What is the insertion of gluteus profundus?
Greater trochanter
What is the nerve of gluteus profundus?
Cranial gluteal n.
What is the action of gluteus profundus?
Extend (retract) and abduct the hip; rotate pelvic limb medially at the hip
What is the origin of obturator internus?
symphysis pelvis and dorsal surface of ischium and pubis
What is the insertion of obturator internus?
Trochanteric fossa
What is the nerve of obturator internus?
Sciatic n.
What is the action of obturator internus?
Rotate pelvis limb laterally at the hip
What is the origin of obturator externus?
Ventral surface of pubis and ischium
What is the insertion of obturator externus?
Trochanteric fossa
What is the nerve of obturator externus?
Obturator n.
What is the action of obturator externus?
Rotate pelvic limb medially at the hip