Posterior thigh and popliteal fossa

Question 1

what does the femur articulate with proximally?

Answer 1

The acetabulum

Question 2

What does the femur articulate with distally?

Answer 2

The Tibia

Question 3

What is the name for the pair of ridges that run longitudinally along the dorsal surface of the femur?

Answer 3

The linea aspera

Question 4

Name the deep fascia that surrounds the muscles of the thigh?

Answer 4

Fascia lata

Question 5

What is the function of the three inter muscular septa that attach to the linea aspera?

Answer 5

to divide the muscles of the thigh into three compartments

Question 6

what is the main function of the anterior compartment?

Answer 6

To extend the leg at knee joint

Question 7

What is the main function of the medial compartment?

Answer 7

To adduct the thigh at hip joint

Question 8

What is the main function of the posterior compartment?

Answer 8

To extend the thigh at hip joint and flex the leg at knee joint.

Question 9

What is the name given to the muscles in the posterior compartment of the thigh?

Answer 9

The Hamstring muscles

Question 10

Name the three hamstring muscles?

Answer 10

Biceps femoris (long head)
Semitendinosus
Semimembranosus

Question 11

where is the common origin of the hamstring muscles?

Answer 11

Ischial tuberosity

Question 12

What is the innervation of the hamstring muscles?

Answer 12

Sciatic nerve L5, S1, S2

Question 13

Main function of the hamstring muscles?

Answer 13

Extend the thigh at hip joint and flex the leg at knee joint

Question 14

Is the short head of biceps considered part of the hamstrings?

Answer 14

No

Question 15

Which hamstring laterally rotates the thigh?

Answer 15

Biceps femoris

Question 16

Which hamstrings medially rotates the thigh?

Answer 16

Semimembranonus and semitendinosus

Question 17

what is the origin of the hamstring part of adductor magnus?

Answer 17

the ischial tuberosity

Question 18

What is the origin of the adductor part of adductor magnus?

Answer 18

ischiopubic ramus

Question 19

What does the Sciatic nerve divide into?

Answer 19

the common fibular and tibial nerves

Question 20

Where does the common fibular run?

Answer 20

It deviates laterally

Question 21

Where does the tibial nerve run?

Answer 21

continues down he midline

Question 22

Which nerves enter the popliteal fossa?

Answer 22

The common fibular and the tibial

Question 23

Name the diamond depression located on the posterior of the knee?

Answer 23

The popliteal fossa

Question 24

Which muscles form the upper margins of the popliteal fossa?

Answer 24

Medially = semitendinosus and semimembranosus
Laterally = Biceps femoris

Question 25

What forms the lower margins of the popliteal fossa?

Answer 25

Medially = the medial head of gastrocnemius
laterally = the lateral head of gastrocnemius and plantaris

Question 26

What is the roof of the popliteal fossa formed by?

Answer 26

The deep fascia - continuous above with the fascia late of the thigh

Question 27

What are the contents of the popliteal fossa?

Answer 27

Popliteal artery and vein
Common fibular nerve
Tibial nerve