Anatomy of the Lower Limb

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Questions and Answers

What is the action of the Extensor hallucis brevis muscle?

  • Extension of the great toe (correct)
  • Flexion of the thigh
  • Adduction of the thigh
  • Rotation of the knee

What nerve innervates the Pectineus muscle?

  • Iliacus nerve
  • Deep peroneal nerve
  • Femoral nerve (correct)
  • L4-L5

What is the origin of the Iliacus muscle?

  • Femur
  • Sacrum
  • Lower â…” of the iliac fossa
  • Upper â…” of the iliac fossa (correct)

What is the insertion of the Psoas Major muscle?

<p>Femoral lesser trochanter (C)</p> Signup and view all the answers

What is the action of the Pectineus muscle?

<p>Adduction of the thigh (D)</p> Signup and view all the answers

What nerve innervates the Extensor digitorum brevis muscle?

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

What is the function of the Iliacus and Psoas Major muscles?

<p>Flexion of the hip (B)</p> Signup and view all the answers

What is the action of the Extensor digitorum brevis muscle?

<p>Extension of the toes (C)</p> Signup and view all the answers

What is the origin of the Popliteus muscle?

<p>Lateral condyle of femur (B)</p> Signup and view all the answers

Which muscle assists in plantar flexion and supports the longitudinal arches?

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

Where does the Flexor digitorum longus muscle insert?

<p>Lateral 4 bases of distal phalanges (A)</p> Signup and view all the answers

What is the function of the Flexor hallucis longus muscle?

<p>Distal phalanx of big toe and plantar flexion (B)</p> Signup and view all the answers

What is the origin of the Flexor hallucis longus muscle?

<p>Shaft of fibula (D)</p> Signup and view all the answers

Which nerve is associated with the Popliteus muscle?

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

What is the insertion point of the Tibialis posterior muscle?

<p>Cuboid, cuneiforms, and bases of 2nd, 3rd, and 4th metatarsals (C)</p> Signup and view all the answers

What is the action of the Flexor digitorum longus muscle?

<p>Assists in plantar flexion, and supports the longitudinal arches (C)</p> Signup and view all the answers

Which muscle is responsible for dorsiflexion and inversion of the foot?

<p>Extensor Digitorum Brevis (B)</p> Signup and view all the answers

Which muscle attaches to the base of the 1st metatarsal and medial cuneiform?

<p>Peroneus Longus (D)</p> Signup and view all the answers

Which nerve innervates the Gastrocnemius muscle?

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

What is the primary function of the Soleus muscle?

<p>Plantar flexion of the foot (B)</p> Signup and view all the answers

Which muscle assists in plantar flexion and also supports the arch of the foot?

<p>Peroneus Brevis (C)</p> Signup and view all the answers

Which muscle is used in hand surgeries despite its minimal role in knee function?

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

Which muscle has an attachment at the posterior surface of calcaneum for plantar flexion?

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

Which muscle relates to the superficial metatarsal bone with a role in plantar flexion and eversion?

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

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