Hallux Valgus: Difference between revisions
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== Clinically Relevant Anatomy<br> == | == Clinically Relevant Anatomy<br> == | ||
The angle created between the lines that longitudinally bisect the proximal phalanx and the first metatarsal is known as the hallux valgus angle. Less than 15 degrees is considered normal. Angles of 20 degrees and greater are considered abnormal. An angle >45-50 degrees is considered severe.<br> | |||
== Mechanism of Injury / Pathological Process<br> == | == Mechanism of Injury / Pathological Process<br> == | ||
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Clinically Relevant Anatomy
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The angle created between the lines that longitudinally bisect the proximal phalanx and the first metatarsal is known as the hallux valgus angle. Less than 15 degrees is considered normal. Angles of 20 degrees and greater are considered abnormal. An angle >45-50 degrees is considered severe.
Mechanism of Injury / Pathological Process
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The exact etiology is not well established, however, certain factors have been considered to play a role in the development of hallux valgus. Gender(10x more frequent in women), shoewear (tight pointed shoes), congenital deformity or predisposition, chronic achilles tightness, severe flatfoot, hypermobility of the first metatarsocunieform joint, and systemic disease.
Clinical Presentation[edit | edit source]
Hallux valgus is a deformity in which the medial eminence becomes prominent as the proximal phalanx deviates laterally. With progression, the pull of the adductor hallucis tendon and the intermetatarsal ligament cause the sesmoids to erode the cristae underneath the first metatarsal cuasing the sesmoids to sublux laterally.
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Management / Interventions
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Differential Diagnosis
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