Musculoskeletal Anatomy of the Leg

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Questions and Answers

Which bone is part of the lower limb anatomy?

  • Femur (correct)
  • Ulna
  • Radius
  • Humerus

Which artery supplies the gluteal region, hip, thigh, leg, ankle, and foot?

  • Femoral artery (correct)
  • Radial artery
  • Ulnar artery
  • Brachial artery

Where can the femoral artery pulse be palpated?

  • Neck
  • Ankle
  • Groin (correct)
  • Wrist

Which nerve supplies the muscles of the lower limb?

<p>Sciatic nerve (A)</p> Signup and view all the answers

What is the functional significance of anastomoses between branches of the arteries at the knee?

<p>To provide collateral circulation (B)</p> Signup and view all the answers

Which joint is included in the anatomy of the ankle and subtalar joints?

<p>Tarsal joint (A)</p> Signup and view all the answers

What is the anatomical basis for loss of movements and reflexes at the knee and ankle resulting from spinal injuries?

<p>Sacral vertebrae (D)</p> Signup and view all the answers

Which imaging technique can be used to recognize major anatomical bones and bony landmarks in normal anatomy of the lower limb?

<p>X-ray (C)</p> Signup and view all the answers

Which nerve supplies the sensory distribution to the lower limb?

<p>Saphenous nerve (D)</p> Signup and view all the answers

What is the importance of fascial compartments in relation to compartment syndrome?

<p>To prevent muscle swelling (A)</p> Signup and view all the answers

Which muscles are responsible for dorsiflexion of the ankle joint?

<p>Tibialis anterior (C)</p> Signup and view all the answers

What is the primary innervation of the tibialis posterior muscle?

<p>Tibial nerve (B)</p> Signup and view all the answers

Which ligament is most commonly sprained in the ankle joint?

<p>Anterior talofibular ligament (B)</p> Signup and view all the answers

Which joint is responsible for subtalar eversion?

<p>Subtalar joint (C)</p> Signup and view all the answers

Which muscle inserts into the medial cuneiform and base of MT1?

<p>Tibialis anterior (D)</p> Signup and view all the answers

Which nerve innervates the deep fibular nerve?

<p>Deep fibular nerve (C)</p> Signup and view all the answers

Which ligament prevents the bones from spreading apart anteriorly and posteriorly in the ankle joint?

<p>Calcaneofibular ligament (C)</p> Signup and view all the answers

Which muscle is part of the triceps surae?

<p>Gastrocnemius (A)</p> Signup and view all the answers

Which ligament is part of the medial deltoid ligament?

<p>Deltoid ligament (B)</p> Signup and view all the answers

Which nerve innervates the tibialis posterior muscle?

<p>Tibial nerve (B)</p> Signup and view all the answers

Which joint allows for inversion and eversion movement of the subtalar and transverse tarsal joints?

<p>Talocalcaneonavicular joint (C)</p> Signup and view all the answers

Which muscle is responsible for eversion of the foot?

<p>Fibularis longus (C)</p> Signup and view all the answers

Which nerve innervates the superficial fibularis muscle?

<p>Superficial fibular nerve (B)</p> Signup and view all the answers

Which muscle inserts into the base of the fifth metatarsal (lateral)?

<p>Fibularis brevis (A)</p> Signup and view all the answers

Which muscle inserts into the medial cuneiform and base of the first metatarsal?

<p>Tibialis anterior (C)</p> Signup and view all the answers

Which muscle is responsible for toe extension at the metatarsophalangeal joints and interphalangeal joints?

<p>Extensor digitorum longus (A)</p> Signup and view all the answers

Which nerve innervates the deep fibularis muscle?

<p>Deep fibular nerve (D)</p> Signup and view all the answers

Which ligament helps maintain the longitudinal arch of the foot and is also known as the 'spring' ligament?

<p>Plantar calcaneonavicular ligament (B)</p> Signup and view all the answers

Which nerve innervates the tibialis posterior muscle?

<p>Tibial nerve (B)</p> Signup and view all the answers

Which structure helps support the longitudinal arches of the foot and holds parts of the foot together?

<p>Deep fascia of the foot (B)</p> Signup and view all the answers

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