Lower limb- bone

Question 1

What is the longest and strongest bone in the body?

Answer 1

Femur

The femur transmits body weight from the acetabulum to the upper end of the tibia.

Question 2

Name the bony landmarks of the femur.

Answer 2

• Femoral head
• Greater trochanter
• Lesser trochanter
• Lateral condyle
• Medial condyle

Additional landmarks include medial and lateral epicondyles.

Question 3

What is the knee joint formed by?

Answer 3

Articulations between the patella, femur, and tibia

The knee joint is the largest joint in the human body and is commonly affected by arthritis.

Question 4

True or False: The patella is a sesamoid bone.

Answer 4

True

The patella articulates with the femur at the patellofemoral joint.

Question 5

What is the primary purpose of the patella?

Answer 5

To serve as a mechanical pulley for the quadriceps

It changes the direction of the extension force throughout the knee’s range of motion.

Question 6

What are the bony landmarks of the tibia?

Answer 6

• Lateral condyle
• Medial condyle
• Tibial tuberosity
• Medial malleolus

The tibia is also known as the shinbone.

Question 7

What are the bony landmarks of the fibula?

Answer 7

• Head of fibula
• Lateral malleolus

The fibula is smaller and weaker than the tibia.

Question 8

What is the role of the fibula in the leg?

Answer 8

Stabilizing the ankle and supporting the muscles of the leg

The fibula runs on the lateral side of the leg.

Question 9

Fill in the blank: The knee joint is most affected by _______.

Answer 9

Diseases such as arthritis

This is due to high mechanical loads, high range of motion, and high-speed movement.

Question 10

What is the relationship between the patella and the femur?

Answer 10

Articulates at the patellofemoral joint

The patella covers the anterior articular surface of the knee joint.