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Related Experiment Videos

An improved above-knee prosthesis with functional versatility

K K Chaudhry, S K Guha, S K Verma

    Prosthetics and Orthotics International
    |December 1, 1982
    PubMed
    Summary
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    This study introduces an advanced above-knee prosthesis enabling users to perform culturally significant squatting and cross-legged sitting postures common in Afro-Asian regions. The innovative design facilitates natural movement for daily living activities.

    Area of Science:

    • Biomedical Engineering
    • Prosthetics and Orthotics
    • Biomechanics

    Background:

    • Traditional above-knee prostheses often limit mobility, hindering the performance of culturally specific postures.
    • The need for advanced prosthetic designs that accommodate diverse daily living activities is significant.

    Purpose of the Study:

    • To present a novel above-knee prosthesis engineered for ease in assuming squatting and cross-legged sitting postures.
    • To enhance the functional capabilities of amputees for routine activities in specific cultural contexts.

    Main Methods:

    • The prosthesis features a multibar linkage mechanism for coordinated knee and ankle movement.
    • A thigh rotation system is integrated at the knee axis level.

    Main Results:

    Related Experiment Videos

    • The design facilitates natural knee flexion and extension synchronized with ankle dorsiflexion and plantarflexion.
    • The integrated thigh rotation system aids in achieving complex postures.

    Conclusions:

    • This advanced above-knee prosthesis significantly improves functional mobility for users, particularly for culturally relevant postures.
    • The innovative mechanism offers a promising solution for enhancing the quality of life for amputees in Afro-Asian communities.