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The first metatarso-sesamoid joint

S Rosenbaum de Britto

    International Orthopaedics
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    The first metatarso-sesamoid joint

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    Area of Science:

    • Orthopedics and Anatomy

    Background:

    • The first metatarso-phalangeal joint is distinct from the first metatarso-sesamoid joint.
    • Understanding the anatomy of the first metatarso-sesamoid joint is crucial for diagnosing forefoot pathologies.

    Purpose of the Study:

    • To anatomically characterize the first metatarso-sesamoid joint.
    • To differentiate the first metatarso-sesamoid joint from the first metatarso-phalangeal joint.

    Main Methods:

    • Anatomical study of 100 adult and child foot specimens.
    • Radiographic analysis of 200 patient feet.

    Main Results:

    • The first metatarso-sesamoid joint is asymmetrical in both children and adults, with a larger medial surface.
    • The medial sesamoid is centrally located; the lateral sesamoid is laterally positioned beneath the first metatarsal head.

    Conclusions:

    • The anatomical characteristics of the first metatarso-sesamoid joint are detailed.
    • Knowledge of this joint's shape and function aids in understanding forefoot imbalance conditions like hallux valgus.