Leg – Anterior, Lateral and Posterior Compartments

Learning Objectives

After reading this post you will know:

  • The three compartments of leg and their contents.
  •  Names of Muscles of Anterior (extensor) compartment of leg  – origin, insertion, action and nerve supply.
  • Names of Muscles of Lateral  (Peroneal) compartment of leg  – origin, insertion, action and nerve supply.
  • Names of Muscles of Posterior (Flexor) commpartment of leg  – origin, insertion, action and nerve supply.
  • Structures passing deep to extensor retinaculum of foot.
  • Structures passing deep to flexor retinaculum of foot.
  • Branches and distribution of deep peroneal nerve.
  • Branches and distribution of tibial nerve.
  • Branches and distribution of superficial peroneal nerve.
  • Applied anatomy- Foot drop.

Three Compartments Of Leg And Their Contents

three compartments of leg and their contents - cross section of leg

Important Enumerate Questions On Leg

Important Enumerate Questions On Leg

 

Diagrams Showing Structures Passing Deep to Extensor and Flexor Retinacula of Foot & Cutaneous Innervation of Dorsum of Foot

Diagrams Showing Structures Passing Deep to Extensor and Flexor Retinacula of foot & Cutaneous Innervation of Dorsum of Foot

 

Muscles of Anterior/Extensor compartment of Leg

Muscles of Anterior/Extensor compartment of Leg

 

Muscles of Lateral/Peroneal compartment of Leg

Muscles of Lateral/Peroneal compartment of Leg

 

Muscles of Posterior/Flexor Compartment of Leg

Muscles of Posterior/Flexor Compartment of Leg

 

 Muscular and Cutaneous  Branches  of Deep Peroneal , Superficial Peroneal and Tibial (in leg) Nerves 

 Muscular and Cutaneous Branches of Deep Peroneal , Superficial Peroneal and Tibial (in leg) Nerves

Applied Anatomy – Foot drop, Anterior tibial compartment syndrome, Intermittant Claudication, Ruptured Tendocalcaneus

Foot drop, Anterior tibial compartment syndrome, Intermittant Claudication, Ruptured Tendocalcaneus:

 

 

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