The central compartment of the foot lies in the middle of the sole between the medial and lateral intermuscular septa, under the central plantar aponeurosis. Its muscles lie in layers: flexor digitorum brevis superficially, quadratus plantae and the lumbricals with the long flexor tendons, and adductor hallucis deepest.
| Location | Centre of the sole. |
|---|---|
| Boundaries |
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| Contents |
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Contains the main flexors of the lesser toes.
Many authors subdivide this compartment into superficial, deep (calcaneal) and adductor parts. The calcaneal compartment containing quadratus plantae communicates with the deep posterior compartment of the leg and is the one most often affected after calcaneal fractures.
Raised pressure in the deep central compartment after calcaneal fracture, compressing the lateral plantar nerve and leading to claw toes.
Infection of the central plantar space, often in diabetic feet, which can spread along tendon sheaths into the leg.
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