Dissection 3 - Hip Joint and Posterior Thigh Flashcards
Which branch of the sciatic nerve supplies the muscles of the posterior compartment of the thigh?
Tibial nerve
Where does the sciatic nerve most commonly bifurcate?
Inferior 1/3rd of the thigh
What does the sciatic nerve bifurcate into?
Tibial and common fibular nerves
What are the 3 hamstring muscles found in the posterior compartment of the thigh?
Semimembranosus, semitendinosus, biceps femoris
What 2 movements do the hamstring muscles collectively allow?
Hip extension and knee flexion
Where do the semimembranosus, semitendinosus and long head of the biceps femoris attach proximally?
Ischial tuberosity
Where does the short head of the biceps femoris attach proximally?
Linea aspera
Which muscle is not technically one of the hamstrings?
Short head of the biceps femoris
Which nerve supplies the short head of the biceps femoris?
Common fibular branch of the sciatic
Why is the semitendinosus named so?
It has a longer tendon than the other muscles
Why is the semimembranosus named so?
It has a shiny membranous appearance
What is the hip joint also known as?
Acetabulo-femoral joint
What type of joint is the hip (2 types)?
Ball in socket and synovial
What are the three main ligaments in the hip?
Iliofemoral
Ischiofemoral
Pubofemoral
Which artery mainly supplies the head of the femur?
Medial circumflex artery
