Hip Joint & Posterior Thigh Flashcards
Which nerve supplies the posterior compartment of the thigh?
Sciatic Nerve
What are the spinal roots of the Sciatic Nerve?
L4 - S3
Which parts f the lower limb are supplied by the sciatic nerve and its roots?
Posterior compartment of the thigh
All compartments of leg
Intrinsic muscle of the foot
What are the divisions of the sciatic nerve?
Tibial nerve
Common fibular nerve
Where does the sciatic nerve commonly divide?
Between gluteal region and popliteal fossa (inferior 1/3rd of thigh)
What are the posterior leg muscles?
Semimembranosus
Semitendinosus (medially)
Long and short heads of biceps femoris (laterally)
What is the action of the posterior leg muscles?
Extension of hip
Flexion of knee
Which of the posterior leg muscles is not a hamstring?
The short head of biceps femoris
What is the proximal attachment of the hamstring muscles?
Ischial tuberosity
What is the proximal attachment of the short head of biceps femoris?
Linea aspera of the femur
What is the distal attachment of biceps femoris?
Lateral aspect of the head of the fibula
What is the distal attachment of semimembranosis and semitendinosis?
Proximal tibia
What is the appearance of semitendinosis?
Long tendon
What is the appearance of semimembranosis?
Shiny membranous appearance
What attaches the femur to the acetabulum?
Ligament of the head of the femur
