Knee Complex and Lab

Question 1

Knee has what amount of freedom?

Answer 1

3 degree of freedom

Question 2

Is the knee stable or mobile

Answer 2

Mobile

Question 3

The femur is what in space

Answer 3

Adducted

Question 4

Mechanical Axis of the knee

Answer 4

the weight-bearing line.
Drawn from the middle of the calcaneus to head of the femur and should pass through the center of knee joint (patella)
Indicates healthy loading.

Question 5

Ground rxn forces

Answer 5

for every action, there is an equal and opposite reaction

Vertical
Horizontal
Mediolateral

Question 6

Which part of the knee has a larger articulation surface?

Answer 6

Medial condyle of the femur.

Question 7

Tibiofemoral alignment (structural thingy)

Answer 7

agulation of the knee in relation to the hip

Question 8

Ground reaction force vector

Answer 8

sum of 2 or 3 directions

Question 9

Normal agulation

Answer 9

femur is 5 degree off verticle= 185 degrees

Question 10

Genu Valgum

Answer 10

greater than 185 degree
it casues more compressive load on the lateral knee

Question 11

Genu varum

Answer 11

less than 175 degree causes more compressive load on the medial knee

Question 12

Menisci

Answer 12

shock absorption
increase congruence of the joint
lubricates the joint
provides proprioception