posterior compartment of the thigh

Question 1

name the hamstring muscles

Answer 1

semitendinosis , semi membranouis , biceps femoris, adductor magnus

Question 2

nerve supply of hamstring muscles

Answer 2

all supplied by the tibial branch of sciatic nerve except for the short head of biceps femoris supplied by the common peroneal branch

Question 3

biceps femoris long head origin

Answer 3

ischial tuberosity

Question 4

biceps femoris short head origin

Answer 4

posterior shaft of femur

Question 5

biceps femoris insertion

Answer 5

head of fibula

Question 6

biceps femoris innervation

Answer 6

sciatic nerve

Question 7

biceps femoris action

Answer 7

flexes the leg at the knee joint and the long head extends the thigh at the hip joint

Question 8

semi membranosus origin

Answer 8

ischail tuberosity

Question 9

semi membranosis insertion

Answer 9

medial condyle of tibia

Question 10

semi membranosis innervation

Answer 10

tibial portion of sciatic nerve

Question 11

semi membranosis action

Answer 11

flexes and medially rotates the leg at the knee joint and extends the thigh at the hip joint

Question 12

adductor magnus origin

Answer 12

ischial tuberosity

Question 13

adductor magnus insertion

Answer 13

adductor tubercle

Question 14

adductor magnus innervation

Answer 14

tibial portion of sciatic nerve

Question 15

adductor magnus action

Answer 15

extends the thigh at the hip joint

Question 16

semi tendinosus origin

Answer 16

ischial tuberosity

Question 17

semi tendinosus insertion

Answer 17

upper part of medial surface of shaft of tibia SGS

Question 18

SEmi tendinosis innervation

Answer 18

tibial portion of sciatic nerve

Question 19

semi tendinosis action

Answer 19

flexes and medially rotates the leg at the knee joint, extends teh thigh at the hip joint

Question 20

what muscle unlocks the knee joint before any flexion can take place?

Answer 20

popliteus muscle

Question 21

only when the knee joint is in what condition to be able to be roatted?

Answer 21

semiflexed

Question 22

biceps femoris can act as?

Answer 22

lateral rotatords of the leg

Question 23

what are the medial rotators of the leg?

Answer 23

semi tendinosis and mambranosis

Question 24

what are the medial rotators of the leg?

Answer 24

semi tendinosis and mambranosis

Question 25

sciatic nerve description

Answer 25

a terminal branch of the sacral plexus L4,5 S1,2,3 A terminal branch of the sacral plexus (L4 and 5; S1, 2, and 3) Emerges from the pelvis through the greater sciatic foramen below the piriformis muscle It is the largest nerve in the body and consists of the tibial and common peroneal nerves bound together with fascia. Commonly terminates in the middle of the thigh by dividing into Ti b i a l N e r v e and C o m m o n p e r o n e a l Nerve

Question 26

safe area marking

Answer 26

the thumb and thenar eminence are placed along the illiac crest and the tip of the thumb is touching the anterior superior illiac spine

Question 27

popliteal surface description

Answer 27

it is an intermuscylar area situated behind the knee joint

Question 28

lateral boundary from above

Answer 28

the biceps femoris

Question 29

lateral boundary from below

Answer 29

the lateral head of gasterocnemius and the plantaris

Question 30

medial boundary from abive

Answer 30

semi tendinosis and semi membrinosis

Question 31

medial boundary from below

Answer 31

the medial head of gastercnemious

Question 32

floor of popliteal fossa

Answer 32

popliteal surface of femur , the posterior of the kneee joint , popliteus muscle

Question 33

roof of popliteal fossa

Answer 33

skin, superficial fascia, deep fascia of the thigh

Question 34

what is teh deepest, intermediate and most superficial structure of the popliteal fossa?

Answer 34

deepest: popliteal artey intermediate: popliteal vein superficial: tibial nerve

Question 35

contents of popliteal fossa

Answer 35

popliteal artery and vein posterior cutaneous nerve of the thigh small saphenous vein tibial nerve common peroneal nerve lymph nodes

Question 36

what branch is largest in the sciatic nerve ?

Answer 36

tibial

Question 37

how does the tibial nerve enter the leg ?

Answer 37

it enters teh posterior compartment of the leg by passing beneath the soleus muscle

Question 38

the branches of the tibial nerve

Answer 38

cutaneous , articulara nd muscular

Question 39

cutaneous branch supplies?

Answer 39

THE SKIN ON THE BACK OF THE LEG /CALF

Question 40

cutaneous branch of tibial nerve journey

Answer 40

it passes between the two head sof gastrocnemius muscle

Question 41

articular branch supplies?

Answer 41

the knee joint

Question 42

muscular branch supplies the?

Answer 42

the two heads of gastrocneumius , popliteus, plantaris, soleus