posterior thigh muscles Flashcards
semitendionuos O
ischial tuberosity
semitendionous I
medial surface of superior part of tibia
semitendionous innervation
tibial division of sciatic nerve (L5, S1, S2)
semitendinous action
extend hip joint
flex knee joint and rotate the leg medially when knee is flexed
when hip and knee are flexed, can extend trunk
semimembranous O
ischial tuberosity
semimembranous I
posterior part of medial condyles of tibia
reflected attachment forms oblique popliteal ligament (to lateral femoral condyle)
semimembranous innervation
tibial division of sciatic nerve (L5, S1, S2)
semimembranous action
extend hip joint
flex knee joint and rotate the leg medially when knee is flexed
when hip and knee are flexed, can extend trunk
biceps femoris long head O
ischial tuberosity
biceps femoris long head I
lateral side of head of fibula
tendon is split at this site by fibular collateral ligament of the knee
biceps femoris long head innervation
tibial division of sciatic nerve (L5,S1,S2)
biceps femoris long head action
flexes knee joint and rotates it laterally when knee is flexed
ext
biceps femoris short head O
linea aspera and lateral supracondylar line of femur
biceps femoris short head I
lateral side of head of fibula
tendon is split at this site by fibular collateral ligament of the knee
biceps femoris short head innervation
common fibular division of sciatic nerve (L5,S1,S2)