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Updated: May 12, 2026

Utility of Dissociated Intrinsic Hand Muscle Atrophy in the Diagnosis of Amyotrophic Lateral Sclerosis
08:16

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Published on: March 4, 2014

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IFSSH Scientific Committee on Congenital Hand Conditions

Wee Lam, Charles Goldfarb, Wiebke Huelsemann

    The Journal of Hand Surgery, European Volume
    |February 6, 2025
    PubMed

    Insights

    The Oberg, Manske and Tonkin (OMT) Classification for congenital hand anomalies remains robust and requires no immediate updates. Further research is recommended for specific conditions like symbrachydactyly and syndactyly.

    Area of Science:

    • Orthopedics
    • Developmental Biology
    • Medical Classification Systems

    Background:

    • The Oberg, Manske and Tonkin (OMT) Classification was adopted by the IFSSH in 2014 for congenital hand and upper limb anomalies.
    • Regular reviews were recommended to ensure the classification system remains current and effective.

    Purpose of the Study:

    • To evaluate the need for revisions to the 2020 OMT Classification based on scientific evidence and community feedback.
    • To identify areas requiring further research and discussion within the classification system.

    Main Methods:

    • Review of scientific evidence pertaining to congenital hand and upper limb anomalies.
    • Gathering and analyzing feedback from the scientific and clinical community regarding the OMT Classification.

    Main Results:

    • The Committee concluded that no immediate changes are necessary for the 2020 OMT Classification.
    • Key areas identified for future research include differentiating symbrachydactyly from transverse arrest, challenges in classifying syndactyly, and nomenclature for arthrogrypotic conditions.
    • The OMT Classification demonstrated high inter- and intra-rater reliability.

    Conclusions:

    • The OMT Classification is a reliable and effective system for classifying congenital hand and upper limb anomalies.
    • Continued research is essential to refine the classification of specific complex conditions and ensure its long-term utility in global registries.

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