Posterior Thigh & Popliteal Fossa Flashcards Preview

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Flashcards in Posterior Thigh & Popliteal Fossa Deck (33)
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1

What are the muscles of the Hamstrings?

Semitendinosus, Semimembranosus and Biceps Femoris

2

What is the function of the hamstring muscles?

To extend hip and flex the knee

3

What is the proximal attachment of the Semitendinosus?

Ischial tuberosity

4

What is the distal attachment of the Semitendinosus?

Medial surface of superior tibia

5

What is the innervation of the Semitendinosus?

Tibial division of Sciatic (L5, S1 and S2)

6

What is the proximal attachment of the Semimembranosus?

Ischial tuberosity

7

What is the distal attachment of the Semimembranosus?

Posterior surface of medial condyle of tibia

8

What is the innervation of the Semimembranosus?

Tibial division of Sciatic (L5, S1 and S2)

9

What is the proximal attachment of the long head of the Biceps Femoris?

Ischial tuberosity

10

What is the proximal attachment of the short head of the Biceps Femoris?

Linea aspera and lateral supracondylar line of femur

11

What is the distal attachment of the Biceps Femoris?

Lateral head of Fibula

12

What is the innervation of the long head of the Biceps Femoris?

Tibial division of Sciatic (L5, S1 and S2)

13

What is the innervation of the short head of the Biceps Femoris?

Common perineal division of Sciatic (L5, S1 and S2)

14

What gives lateral rotation when the knee is flexed?

Biceps Femoris

15

what gives medial rotation when knee is flexed?

Semimembranosus, Semitendinosus, Gracilis and Sartorius

16

Where does the Sciatic nerve originate?

Anterior rami L4-S3

17

Where is the Sciatic nerve in the posterior compartment of the thigh?

Deep to the long head of biceps femoris

18

What are the divisions of the sciatic nerve?

Tibial and common peroneal

19

What makes up the rook of the popliteal fossa?

Deep fascia

20

What is the deep fascia pierced by in the popliteal fossa?

Sural nerve and short saphenous vein

21

What are the superior boundaries of the popliteal fossa?

Diverging tendons of Hamstrings. Biceps femurs laterally and Semimembranosus/ Semitendinosus medially

22

What are the inferior boundaries of the popliteal fossa?

Medial and lateral heads of Gastrocnemius

23

What are the contents of the popliteal fossa?

Popliteal artery, popliteal vein and terminal branches of Sciatic nerve (Tibial and Common peroneal)

24

What makes up the floor of the popliteal fossa floor?

Popliteal surface of the femur, Joint capsule of the knee joint and popliteus muscle

25

What is the ligament within the popliteal fossa floor?

Oblique popliteal ligament

26

What is the function of the Oblique popliteal ligament?

Reinforced knee joint capsule

27

What is the oblique popliteal ligament an expansion of?

Semimembranosus muscle

28

What pierces the joint capsule to supply cruciate ligaments?

Middle Genicular vessels

29

The popliteal artery is a continuation of what?

The femoral artery

30

How many vehicular branches are of the popliteal artery?

5