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Emergency Orthopedics, 6e
| Part IV. Lower Extremities > |
Foot Soft-Tissue Injury and Dislocations
Sections: Subtalar Dislocation, Mechanism of Injury, Examination, Imaging, Associated Injuries, Treatment, Complications, Toe Dislocation, Mechanism of Injury, Examination, Imaging, Associated Injury, Treatment, Foot Compartment Syndrome, Plantar Puncture Wounds, Classification, Examination, Imaging, Treatment, Achilles Tendon Rupture, Mechanism of Injury, Examination, Imaging, Treatment, Achilles Tendinopathy, Mechanism of Injury, Examination, Imaging, Treatment, Plantar Fasciitis, Mechanism of Injury, Examination, Associated Injuries, Imaging, Treatment, Heel Pad Atrophy, Calcaneal Bursitis, Calcaneal Bone Cyst, Foot Strain, Clinical Presentation, Treatment, Metatarsalgia, Clinical Presentation, Treatment, Morton's Neuroma, Clinical Presentation, Treatment, Navicular Stress Fracture, Metatarsal Stress Fracture, Forefoot Bursitis, Sesamoiditis, Navicular Osteochondrosis, Synovial Ganglion, Entrapment Neuropathies, Tarsal Tunnel Syndrome, Lateral Plantar and Calcaneal Nerve Entrapment, Medial Plantar Nerve Entrapment, Sural Nerve Entrapment, Ski Boot Compression Syndrome, Diabetic Foot Ulcers and Infection, Treatment, Plantar Warts, Ingrown Toenail, Subungual Exostosis, Hallux Valgus.
Excerpt:
"Subtalar dislocations are a rare entity accounting for only 1% to 2% of all dislocations. This injury, also termed a peritalar dislocation, describes dislocation of the talus from both the calcaneus and navicular bones (Fig. 23–30). Subtalar dislocations may be classified as medial or lateral depending on the position of the foot relative to the distal tibia. The more common medial type represents 80% to 85% of all subtalar dislocations.52,53 Lateral subtalar dislocations are less common.54 Anterior and posterior subtalar dislocation may also occur but are unusual.Subtalar dislocations can occur after both low-energy (e.g., stepping off a curb) and high-energy (e.g., fall from a height) trauma.52,55 A medial subtalar dislocation typically follows an inversion and plantar flexion injury. The talocalcaneal and talonavicular ligaments rupture as the bones of the foot are displaced medially.Dislocations of the MTP joint are secondary to compression with extreme dorsiflexion of the proximal phalanx. If the force generated does not result in a dislocation, a sprain..."
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