Posterior Thigh Flashcards
Name the hip abductors of the posterior thigh
Gluteus medius
Gluteus minimus
Tensor fascia latae
Name the lateral rotators of the posterior thigh
Piriformis Superior gemellus Inferior gemellus Obturator internus Quadratus femoris
Name the hip extensors of the posterior thigh
Gluteus maximus
Long head of biceps femoris
Semimembranous
Semitendinosus
Which nerve innervates the hamstrings?
Sciatic
Which is the most lateral muscle of the posterior thigh?
Biceps femoris
What is the origin of the long head of the biceps femoris?
Ischial tuberosity
What is the origin of the short head of the biceps femoris?
Linea aspera
Where do the heads of the biceps femoris attach?
Head of fibula
What are the actions of biceps femoris?
Flexion at knee
Extension at hip
Lateral rotation
What is the innervation of the long head of the biceps femoris?
Tibial portion of sciatic nerve
What is the innervation of the short head of the biceps femoris?
Common fibular portion of sciatic nerve
What is the origin of the semitendinosus?
Ischial tuberosity
What is the insertion of the semitendinosus?
Tibia
What is the action of semitendinosus?
Knee flexion
Hip extension
Medial rotation
What is the innervation of the semitendinosus?
Tibial nerve
What is the origin of the semimembranosus?
Ischial tuberosity
What is the insertion of the semimembranosus?
Medial tibial condyle
What is the action of semimembranosus?
Knee flexion
Hip extension
Medial rotation
What is the innervation of semimembranosus?
Tibial nerve
What is the contents of the popliteal fossa?
Popliteal artery
Popliteal vein
Tibial nerve
Common fibular nerve
What forms the superior-medial border of the popliteal fossa?
Semimembranosus
What forms the superior-lateral border of the popliteal fossa?
Biceps femoris
What is the inferior-medial border of the popliteal fossa?
Medial head of gastrocnemius
What is the inferior-lateral border of the popliteal fossa?
Lateral head of gastrocnemius
What forms the floor of the popliteal fossa?
Knee joint capsule
Popliteal cysts are usually inflammation and swelling of which bursa?
Semimembranosus
If a popliteal cyst ruptures, what can the symptoms be mistaken for?
DVT