Human Skeletal System : Lower Limb

Question 1

What is the femur?

Answer 1

Largest, heaviest and strongest bone of body

Question 2

How is hip joint formed

Answer 2

Head of femur forms hip joint with the acebabulum of hip bone of pelvis

Question 3

Functions of hip joint

Answer 3

It is very sturdy and powerful, and bears all body weight when standing

Question 4

Functions of lower limb

Answer 4

Extension
Flexion
Abduction
Adduction
Rotation
Circumduction at hip joint

Question 5

How is the knee joint formed?

Answer 5

Lower end of femur articulates with tibia and patella to form knee joint

Question 6

What are the possible movements of the knee joint?

Answer 6

Flexion
Extension
Rotatory movement that locks the joint when it’s fully extended

When this joint is locked, it’s possible to stand upright for a long time period

Question 7

What gives the sole of a foot an arched or curved shape?

Answer 7

Arrangement of bones in foot supported by associated ligaments and muscles

Question 8

What are the 2 arches in foot (metatarsal) bones

Answer 8

Longitudinal arch: curve running from heal to toe

Transverse arch: curve running across foot

Question 9

What are the functions of foot arches?

Answer 9

Important in distributing body weight evenly, whether stationary or moving