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Performance of bk amputees using ptb prostheses.

S Ganguli, K Bose, S R Datta

    Acta Orthopaedica Scandinavica
    |April 1, 1975
    PubMed
    Summary
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    Below-knee amputees using the patellar-tendon-bearing (PTB) prosthesis demonstrate near-normal performance. This ergonomic study confirms PTB prostheses allow amputees to perform moderately heavy industrial work without excessive effort.

    Area of Science:

    • Biomedical Engineering
    • Ergonomics
    • Rehabilitation Science

    Background:

    • Below-knee amputees often achieve near-normal function with patellar-tendon-bearing (PTB) prostheses.
    • Ergonomic assessments are crucial for evaluating prosthetic device performance and user adaptation.

    Purpose of the Study:

    • To ergonomically investigate the performance of below-knee amputees fitted with PTB prostheses.
    • To compare the physiological responses of amputees using PTB prostheses with a healthy control group.

    Main Methods:

    • An ergonomic investigation involving ten below-knee amputees using PTB prostheses.
    • Subjects underwent static, dynamic, and exercise tolerance tests measuring oxygen consumption, ventilation, energy expenditure, and heart rate.
    • Comparison with a control group of sixteen healthy individuals.

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    Main Results:

    • Physiological parameter increases in amputees were justified and natural for the below-knee amputee-PTB prosthesis system.
    • The study did not yield biomechanical efficacy data but confirmed functional capacity.

    Conclusions:

    • Below-knee amputees with PTB prostheses can undertake moderately heavy industrial occupations.
    • No undue extra effort or metabolic cost was observed for amputees in these tasks.