Posterior Thigh Muscles Flashcards
Posterior Thigh Muscles
Biceps femoris, semitendinosus, semimembranosus (beef steaks smell)
Biceps Femoris OIFIn
O: Medial/superior ischial tuberosity and lower sacrotuberous ligament, lateral lower 2/3 of linea aspera and supracondylar line
I: Lateral and posterior surfaces of the head of the fibula, fibular collateral ligament, and lateral condyle of tibia
F: Extension of hip, flexion of knee, lateral rotator of a semiflexed knee
In: Tibial nerve and common fibular nerve
Semitendinosus OIFIn
O: Medial/superior part of ischial tuberosity
I: Medial shaft of tibia distal to medial condyle, distal to gracilis and posterior to the sartorius
F: Extension of hip, flexion of knee, medial rotator of semiflexed knee
In: Tibial nerve
Semimembranosus OIFIn
O: Lateral superior part of ischial tuberosity
I: Tubercle on posterior medial condyle of tibia
F: Extension of hip, flexion of knee, medial rotator of semiflexed knee
In: Tibial nerve