Biomechanics of Hip Joint Quiz

What are the three degrees of freedom of the hip joint?

• Rotation, Circumduction, Elevation

• Flexion/Extension, Adduction/Abduction, Medial/Lateral Rotation

• Pronation, Supination, Inversion

• Extension, Abduction, Rotation

What is the primary function of the hip joint?

• Regulate body temperature

• Digestion of food

• Facilitate breathing

• Support the weight of the head, arms, and trunk

What is the angle of inclination of the femur in the frontal plane?

• Approximately 125°

• Less than 90°

• 45°

• 180°

What is the role of the acetabular labrum?

• Deepens the socket and enhances joint stability

• Increases friction in the joint

• Reduces the range of motion

• Provides cushioning

What is the angle of torsion of the femur in the transverse plane?

• 180°

• 45 to 90°

• 100 to 20°

• Less than 45°

What is the term for a pathological increase in the medial angulation between the neck and shaft of the femur?

• Femoral Retroversion

• Coxa Valga

• Coxa Vara

• Femoral Anteversion

Which is the strongest ligament of the body?

• Ischiofemoral

• Iliofemoral

• Pubofemoral

• None of the above

Which muscle function as abductor muscle of Hip

• Gluteus Maximus

• Supraspinatous

• Gluteus Medius

• Rectus femoris

What is the function of the iliofemoral ligament?

• Stabilizes the hip joint

• Controls hip flexion

• Provides cushioning

• None of the above

Which muscle is responsible for hip extension?

• Rectus femoris

• Gluteus Maximus

• Gluteus Medius

• Piriformis