POSTERIOR FASCIAL COMPARTMENT OF THIGH

Question 1

O: LONG HEAD - ischial tuberosity
SHORT HEAD - linea aspera, later supracondylar ridge of shaft of femur
I: head of fibula
N: LONG HEAD - tibial portion of sciatic nerve
SHORT HEAD - common peroneal portion of sciatic nerve
A: flexes and laterally rotates leg at knee joint; long head also extends thigh at hip joint

Answer 1

Biceps Femoris

Question 2

O: ischial tuberosity
I: upper part of medial surface of shaft of tibia
N: tibial portion of sciatic nerve
A: flexes and medially rotates leg at knee joint; extends thigh at hip joint

Answer 2

Semitendinosus

Question 3

O: ischial tuberosity
I: medial condyle of tibia
N: tibial portion of sciatic nerve
A: flexes and medially rotates leg at knee joint; extends thigh at hip joint

Answer 3

Semimembranosus

Question 4

O: ischial tuberosity
I: adductor tubercle of femur
N: tibial portion of sciatic nerve
A: extends thigh at hip joint

Answer 4

Adductor Magnus (hamstring portion)