Functional Anatomy of Knee + Knee OA

Knee joint is made up of all of the following bones, except:

• Femur

• Humerus

• Patella

• Tibia

Which of the following describe closed-pack position?

• Position when joint surfaces have most area of contact with each other

• Position when joint surfaces have least area of contact with each other

Knee flexion is mainly performed by which muscle?

• Quadriceps

• Hamstring

• Gastrocnemius

• Tibialis anterior

What is the function of ligament?

• Connect joint to bone

• Connect muscle to bone

• Connect muscle to muscle

• Connect bone to bone

Which meniscus is more commonly injured?

• Medial meniscus

• Lateral meniscus

Knee osteoarthritis is reversible.

• True

• False

Which of the following increases risk of an individual to have knee OA?

• Back pain

• Young age

• Excess body weight

• All of the above

Which of the following is not present in Knee OA?

• Thinning of articular cartilage

• Formation of bone spurs

• Reduced joint space

• None of the above

All Knee OA pt will need to undergo TKR eventually.

• False

• True

Gastrocnemius helps in

• Ankle dorsiflexion

• Knee extension

• Ankle plantarflexion

• Ankle inversion