Lower Limb - Posterior Compartment Thigh

Question 1

1. 1. Name the muscles of the posterior compartment of the thigh?
2. 2. Name their O and I
3. 3. Innervation

Answer 1

1. 1. Semimembranosis, Semitendinosis, Biceps Femoris
2. 2. All originate (excluding short head of biceps femoris - lateral lip of Linea Aspera) on the ischial tuberosity

I: Biceps femoris - head of fibula
I: Semimembranosus + Semitendinosus - medial aspect proximal tibia (posterior to gracilis) + medial condyle tibia

1.3. Sciatic nerve