Posterior thigh and popliteal fossa Flashcards
what does the femur articulate with proximally?
The acetabulum
What does the femur articulate with distally?
The Tibia
What is the name for the pair of ridges that run longitudinally along the dorsal surface of the femur?
The linea aspera
Name the deep fascia that surrounds the muscles of the thigh?
Fascia lata
What is the function of the three inter muscular septa that attach to the linea aspera?
to divide the muscles of the thigh into three compartments
what is the main function of the anterior compartment?
To extend the leg at knee joint
What is the main function of the medial compartment?
To adduct the thigh at hip joint
What is the main function of the posterior compartment?
To extend the thigh at hip joint and flex the leg at knee joint.
What is the name given to the muscles in the posterior compartment of the thigh?
The Hamstring muscles
Name the three hamstring muscles?
Biceps femoris (long head)
Semitendinosus
Semimembranosus
where is the common origin of the hamstring muscles?
Ischial tuberosity
What is the innervation of the hamstring muscles?
Sciatic nerve L5, S1, S2
Main function of the hamstring muscles?
Extend the thigh at hip joint and flex the leg at knee joint
Is the short head of biceps considered part of the hamstrings?
No
Which hamstring laterally rotates the thigh?
Biceps femoris