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In the limbs, sensory fibers are distributed to an area further from the axis of the body than the motor fibers of the corresponding root. The skin innervation areas encroach on each other, which justifies the anesthesia of adjacent nerves.
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Bones and joints are the main target for postoperative analgesia.
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As a rule, joints receive innervation from the same nerves that innervate muscles that act on them.
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Anterior aspect: deep peroneal nerve.
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Posterior and medial aspects: tibial nerve.
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