Lower Extremity Biomechanics Quiz

Test your knowledge of lower extremity biomechanics with these questions on foot, knee, and hip anatomy and function.

Practice Learn Test

Which joint is primarily responsible for dorsiflexion and plantarflexion of the foot?

Knee joint

Hip joint

Ankle joint

Shoulder joint

What muscle group is primarily responsible for extending the knee joint?

Quadriceps

Hamstrings

Gastrocnemius

Tibialis anterior

During walking, what phase immediately follows the stance phase?

Swing phase

Double support phase

Initial contact

Terminal stance

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

Rectus femoris

Vastus lateralis

Biceps femoris

Vastus medialis

What term describes the inward rotation of the foot and ankle?

Eversion

Inversion

Supination

Pronation

Which muscle group is primarily responsible for dorsiflexion of the foot?

Gastrocnemius

Soleus

Tibialis anterior

Peroneus longus

Which of the following is NOT a function of the arches of the foot?

Absorbing shock

Providing propulsion

Maintaining balance

Storing energy

What is the primary function of the iliotibial (IT) band?

Flexion of the knee

Abduction of the hip

Stabilization of the ankle

Extension of the knee

What is the main function of the patella (kneecap) in knee joint mechanics?

To provide cushioning

To reduce friction

To increase leverage

To stabilize the joint

#10

Which of the following ligaments is commonly injured in lateral ankle sprains?

Anterior cruciate ligament (ACL)

Medial collateral ligament (MCL)

Posterior cruciate ligament (PCL)

Anterior talofibular ligament (ATFL)

#11

What is the primary function of the Achilles tendon?

Flexion of the knee

Dorsiflexion of the foot

Plantarflexion of the foot

Abduction of the hip

#12

Which structure helps stabilize the medial longitudinal arch of the foot?

Plantar fascia

Peroneus longus

Extensor digitorum longus

Flexor hallucis longus

#13

Which of the following movements occur primarily at the subtalar joint?

Dorsiflexion and plantarflexion

Inversion and eversion

Flexion and extension

Adduction and abduction