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MSC WEEK 3: KNEE PRACTICE EXAM
QUESTIONS AND ANSWERS 2025
how many joints are in the knee - .....ANSWER ...✔✔
The three joints are:
Medial Tibiofemoral Lateral Tibiofemoral
Patellofemoral
how many bones make up the knee joint - .....ANSWER
...✔✔ The three bones are:
-Femur
-Tibia
-Patella
what is the function of the knee joints - .....ANSWER
...✔✔ The function of these joints is to allow certain
movements, restrict others, and to provide load transfer
through the lower limb.
what are the AXES OF THE KNEE JOINT - .....ANSWER
...✔✔ -MECHANICAL
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-ANATOMICAL
-FUNCTIONAL
what is the anatomical axis - .....ANSWER ...✔✔ -
Axes of the bones
what is the anatomical axis represented by -
.....ANSWER ...✔✔ represented by a line drawn
down the center of the medullary cavity of the bone
what is the mechanical axis - .....ANSWER ...✔✔ -
Axes of the alignment
-The axis of weight bearing in the lower limb
what is the location of the mechanical axis - .....ANSWER
...✔✔ Mechanical axis of the knee is the anatomical
axis of the tibia
describe a typical degree for the mechanical axis -
.....ANSWER ...✔✔ 5-7 degrees of valgus
what is the functional axis - .....ANSWER ...✔✔ -Axes
around which limbs rotate (black line)
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-Flexion-Extension Axis
describe knee varus - .....ANSWER ...✔✔ alining more
towards the midline
what percentage of people have varus deformity when
they have arthritis - .....ANSWER ...✔✔ previously
thought to be 34%, the actually is 80-85%
what is another name for varus knee - .....ANSWER
...✔✔ BOW LEGGEDNESS
What compartment of the knee is worn that causes varus
knees? - .....ANSWER ...✔✔ The medial tibiofemoral
compartment
describe knee valgus - .....ANSWER ...✔✔ alining
away from the midline
what is another name for valgus knee - .....ANSWER
...✔✔ KNOCK KNEES
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What compartment of the knee is worn to cause valgus
knees? - .....ANSWER ...✔✔ The lateral tibiofemoral
compartment
What is the most common degenerative knee? (Varus or
valgus) - .....ANSWER ...✔✔ varus
how many degrees of motion are at the knee -
.....ANSWER ...✔✔ SIX DEGREES OF MOTION IN THE
KNEE
what are the 6 degrees of motion TIBIOFEMORAL JOINT
- .....ANSWER ...✔✔ -Flexion/extension
-Anterior/posterior
-Medial/lateral
-Varus/Valgus
-internal/external
-compression/distraction
what type of joint is the knee - .....ANSWER ...✔✔
complex hinge
MSC WEEK 3: KNEE PRACTICE EXAM
QUESTIONS AND ANSWERS 2025
how many joints are in the knee - .....ANSWER ...✔✔
The three joints are:
Medial Tibiofemoral Lateral Tibiofemoral
Patellofemoral
how many bones make up the knee joint - .....ANSWER
...✔✔ The three bones are:
-Femur
-Tibia
-Patella
what is the function of the knee joints - .....ANSWER
...✔✔ The function of these joints is to allow certain
movements, restrict others, and to provide load transfer
through the lower limb.
what are the AXES OF THE KNEE JOINT - .....ANSWER
...✔✔ -MECHANICAL
,2|Page
-ANATOMICAL
-FUNCTIONAL
what is the anatomical axis - .....ANSWER ...✔✔ -
Axes of the bones
what is the anatomical axis represented by -
.....ANSWER ...✔✔ represented by a line drawn
down the center of the medullary cavity of the bone
what is the mechanical axis - .....ANSWER ...✔✔ -
Axes of the alignment
-The axis of weight bearing in the lower limb
what is the location of the mechanical axis - .....ANSWER
...✔✔ Mechanical axis of the knee is the anatomical
axis of the tibia
describe a typical degree for the mechanical axis -
.....ANSWER ...✔✔ 5-7 degrees of valgus
what is the functional axis - .....ANSWER ...✔✔ -Axes
around which limbs rotate (black line)
,3|Page
-Flexion-Extension Axis
describe knee varus - .....ANSWER ...✔✔ alining more
towards the midline
what percentage of people have varus deformity when
they have arthritis - .....ANSWER ...✔✔ previously
thought to be 34%, the actually is 80-85%
what is another name for varus knee - .....ANSWER
...✔✔ BOW LEGGEDNESS
What compartment of the knee is worn that causes varus
knees? - .....ANSWER ...✔✔ The medial tibiofemoral
compartment
describe knee valgus - .....ANSWER ...✔✔ alining
away from the midline
what is another name for valgus knee - .....ANSWER
...✔✔ KNOCK KNEES
, 4|Page
What compartment of the knee is worn to cause valgus
knees? - .....ANSWER ...✔✔ The lateral tibiofemoral
compartment
What is the most common degenerative knee? (Varus or
valgus) - .....ANSWER ...✔✔ varus
how many degrees of motion are at the knee -
.....ANSWER ...✔✔ SIX DEGREES OF MOTION IN THE
KNEE
what are the 6 degrees of motion TIBIOFEMORAL JOINT
- .....ANSWER ...✔✔ -Flexion/extension
-Anterior/posterior
-Medial/lateral
-Varus/Valgus
-internal/external
-compression/distraction
what type of joint is the knee - .....ANSWER ...✔✔
complex hinge
