Posterior Thigh and Popliteal Fossa Flashcards
origin of semitendinous muscle
ischial tuberosity
insertion of semitendinous muscle
anteromedial aspect of superior tibia, pes anserinus
function semitendinous muscle
extend thigh, flex leg, medially rotate flexed leg
innervation of semitendinous muscle
tibial division of sciatic nerve
pes anserinus, what is
sartorious muscle, gracillis muscle, semitendinous muscle
pes anserine bursitis
inflammation of the anserine bursa located between pes anserinus and the MCL, results in constant, aching pain, aggravated by activity, such as climbing stairs, specifically flexion and internal/medial rotation of the knee
origin of semimembranous muscle
ischial tuberosity
insertion of semimembranous muscle
posterior part of medial tibial condyle
function of semimembranous muscle
extend thigh, flex leg, medially rotate flexed leg
innervation of semimembranous muscle
tibial division of sciatic nerve
action of semimembranous muscle
medial tibial condyle, oblique popliteal ligament (reinforce intercondylar portion of knee joint capsule), forms part of popliteal fossa floor
origin of biceps femoris muscle, long head
ischial tuberosity
insertion of biceps femoris muscle, long head
lateral aspect of fibular head
function of biceps femoris muscle, long head
extend thigh, flex leg, laterally rotate flexed leg
innervation of biceps femoris muscle, long head
tibial division of sciatic nerve
origin of biceps femoris muscle, short head
lateral lip of linea aspera and lateral supracondylar line
insertion of biceps femoris muscle, short head
lateral aspect of fibular head
function of biceps femoris muscle, short head
flex leg, laterally rotate flexed leg
innervation of biceps femoris muscle, short head
common fibular division of sciatic nerve