Knee

Question 1

Attachments of Rectus Femoris

Answer 1

O: straight head – AIIS
Reflected head – above the acetabulum

I: base of patella then to Tibial tuberosity

Question 2

Attachments of Vastus medialis

Answer 2

O: lower intertrochanteric line, lower part of greater trochanter, upper medial linea aspera , upper medial supracondylar line

I: medial border of patella

Question 3

Attachments of Vastus Lateralis

Answer 3

O: upper intertrochanteric line, lower part of greater trochanter, lateral gluteal tuberosity, and upper lateral linea aspera

I: base and lateral border of patella

Question 4

Attachments of biceps femoris

Answer 4

O: long head= lower medial facet of ischial tuberosity.
Short head= lower half of linea aspera of femur

I: head of fibular

Question 5

Attachments of Semitendonosus

Answer 5

O: lower medial facet of ischial tuberosity.

I: upper medial tibia behind gracilis and sartorius

Question 6

Attachments of semimembranosus

Answer 6

O: upper lateral facet of ischial tuberosity
I: posteromedial surface of medial tibial condyle

Question 7

Nerve supply to quads

Answer 7

Femoral nerve - L2, L3, L4

Question 8

Nerve supply to hamstrings

Answer 8

Sciatic Nerve L5, S1, S2

Question 9

Action of biceps femoris

Answer 9

hip extension, knee flexion, lateral rotation

Question 10

Action of semimembranosus and semitendonosus

Answer 10

hip extension, knee flexion and medial rotation

Question 11

Action of Quads

Answer 11

Hip flexion and knee extension