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Wheeless' Textbook of Orthopaedics
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Deep Posterior Compartment



- See:
      - Laeral Compartment
      - Anterior Compartment
      - Superfical Posterior Compartment

- Discussion:
    - contains tibialis posterior, FDL, & FHL;
    - originates primarily from posterior tibia, fibula, & interosseous membrane in proximal 2/3 of leg, these structures are involved
            in plantar flexion of foot & toes & inversion of foot thru tibialis posterior msucle function;
    - major neurologic structure is posterior tibial nerve;
    - 2 major arteries, peroneal artery & posterior tibial arteries, are present in this compartment;
            - posterior tibial art, because of its protected nature, frequently is major arterial supply after significant open frx & is a potentaial
                    source for anastomosis w/   free flaps for soft tissue recontruction of the leg;

- Compartment Syndrome:
    - clawing of the toes, a common sequela of posttraumatic compartment syndrome within the deep posterior compartment following
            a distal third tibia fracture;
    - this may be due to the potential communication between the deep posterior compartment and the compartments of the foot;









The deep posterior compartmental syndrome of the leg.
      Matsen FA, Clawson DK: J Bone Joint Surg (Am) 1975;57A:34-39.

Anatomic investigation of the deep posterior compartment of the leg.
      RA Cheney MD et al.   Fooot and Ankle International.   Vol 19. No 2. Feb 1998. p 98.
















Original Text by Clifford R. Wheeless, III, MD.