Anatomy Joints of the Lower Limb Questions and Answers

Question 1

A patient is unable to perform inversion and eversion of the foot following an injury. Damage to which of the following joints is most likely responsible for this deficit?

Accepted Answer

Subtalar joint

Answer

Talocrural joint

Answer

Distal tibiofibular joint

Answer

Metatarsophalangeal joints

Question 2

A football player sustains a severe lateral blow to the knee, resulting in the classic 'unhappy triad' injury. Which of the following structures is NOT part of this specific combination of injuries?

Accepted Answer

Lateral meniscus

Answer

Anterior cruciate ligament (ACL)

Answer

Medial meniscus

Answer

Medial collateral ligament (MCL)

Question 3

Which of the following ligaments provides the primary passive support to the medial longitudinal arch of the foot by supporting the head of the talus?

Accepted Answer

Plantar calcaneonavicular (spring) ligament

Answer

Long plantar ligament

Answer

Deltoid ligament

Answer

Short plantar ligament

Question 4

The primary function of the anterior cruciate ligament (ACL) in the knee joint is to resist which movement?

Accepted Answer

Anterior translation of the tibia on the femur

Answer

Posterior translation of the tibia on the femur

Answer

Valgus stress at the knee

Answer

External rotation of the tibia

Question 5

A patient is diagnosed with a fracture of the talus. This bone is unique because it articulates with all the following bones EXCEPT:

Accepted Answer

Cuboid

Answer

Tibia

Answer

Fibula

Answer

Calcaneus

Question 6

Which extracapsular ligament of the hip joint is considered the strongest ligament in the human body and is crucial for preventing hyperextension while standing?

Accepted Answer

Iliofemoral ligament

Answer

Ischiofemoral ligament

Answer

Pubofemoral ligament

Answer

Ligamentum teres