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Knee Extension Ergometer


  • Dimensions:

    • 55" L x 40" W x 66" H

  • Rigid aluminum framing for stability and safety

  • Lockable castors for easy movement and storage

  • Right and left leg compatible

  • Seat and crank arm adjustments to facilitate a wide range of subject sizes

  • Seat tilt from 0 to 90 degrees

  • Adjustable arm and foot rests

  • Variable work rate

  • Four analog outputs for interfacing with data acquisition systems

  • Easy to use software interface

    • Fully customizable display

  • Audible and visual cadence target​ to aid in subject compliance

  • Measured variables include:

    • Force

    • Instantaneous Cadence

    • Instantaneous Rate of Work

    • Instantaneous Technique Assessment

    • Cycle Averaged Cadence

    • Cycle Averaged Rate of Work

    • Average Technique Assessment

    • Total Number of Cycles

    • Elapsed Time

The Knee Extension Ergometer is used extensively to investigate muscle physiology research questions, specifically the peripheral limitations to maximal oxygen consumption such as impaired endothelial-dependent vasodilation, fiber atrophy, capillary rarefaction, compromised metabolism, and more. The Technavance Solution incorporates a NIST-traceable calibrated load cell, optical encoder, magnetic switch and photomicrosensors to provide highly accurate measurements of a wide range of parameters in such investigations. The system’s user-friendly customizable control software reports both instantaneous and average measurements of rate of work, force, cadence and efficiency, as well as elapsed time and completed revolutions. The user interface also provides both visual and audio feedback to ensure optimal subject compliance. Results can be exported from the software or fed directly into third-party data acquisition systems.

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