Lower Limb Anatomy Quiz

The acetabulum is formed by the union of which three bones?

• Ilium, Ischium, Pubis

• Ilium, Ischium, Sacrum

• Ilium, Pubis, Coccyx

• Ischium, Pubis, Sacrum

Which ligament significantly contributes to the stability of the hip joint and becomes tighter during hip extension?

• Inguinal ligament

• Iliotibial tract

• Iliofemoral ligament

• Patellar ligament

What is the primary function of the menisci within the knee joint?

• To increase the range of motion

• To provide stability by limiting lateral movement

• To act as shock absorbers and improve joint congruency

• To increase the surface area for muscle attachment

Which of the following is NOT a function of the fibula?

• Weight-bearing

• Muscle attachment

• Articulation with the tibia

• Articulation with the talus

What is the main function of the tensor fascia lata muscle?

• To flex the knee

• To extend the hip

• To adduct the hip

• To tense the fascia lata

Which of the following muscles belongs to the deep group of lateral rotators of the hip?

• Gluteus maximus

• Gluteus medius

• Piriformis

• Sartorius

Which muscle is the primary extensor of the knee?

• Biceps femoris

• Quadriceps femoris

• Hamstrings

• Sartorius

Which nerve innervates the anterior compartment of the thigh?

• Sciatic nerve

• Femoral nerve

• Obturator nerve

• Tibial nerve

Which of the following muscles is NOT part of the hamstrings group?

• Biceps femoris

• Semitendinosus

• Semimembranosus

• Gracilis

What is the primary action of the tibialis anterior muscle?

• Dorsiflexion and inversion of the foot
• Plantarflexion and inversion of the foot

• Dorsiflexion and eversion of the foot

• Eversion of the foot