Archives of Physical Medicine and Rehabilitation
Volume 89, Issue 5 , Pages 851-855 , May 2008

The Effects of Task Complexity on Brake Response Time Before and After Primary Right Total Knee Arthroplasty

  • Carlos J. Marques, MSc, PT

      Affiliations

    • Center for Research in Physiotherapy, Faculty of Human Movement Studies, Technical University of Lisbon, Lisbon, Portugal
    • Department of Physical Therapy and Rehabilitation, ENDO-Klinik Hamburg, Hamburg, Germany
    • Corresponding Author InformationReprint requests to Carlos J. Marques, MSc, PT, Physical Therapy and Rehabilitation Department, ENDO-Klinik Hamburg, D-22767 Hamburg, Germany
    • ,
  • Jan Cabri, PhD

      Affiliations

    • Center for Research in Physiotherapy, Faculty of Human Movement Studies, Technical University of Lisbon, Lisbon, Portugal
    • ,
  • João Barreiros, PhD

      Affiliations

    • Human Motor Performance Research Center, Faculty of Human Movement Studies, Technical University of Lisbon, Lisbon, Portugal
    • ,
  • Ana I. Carita, PhD

      Affiliations

    • Mathematic Methods Department, Faculty of Human Movement Studies, Technical University of Lisbon, Lisbon, Portugal
    • ,
  • Christian Friesecke, MD

      Affiliations

    • Department of Orthopedic Surgery, ENDO-Klinik Hamburg, Hamburg, Germany.
    • ,
  • Jochen F. Loehr, MD

      Affiliations

    • Department of Orthopedic Surgery, ENDO-Klinik Hamburg, Hamburg, Germany.

  • Image Result

    Car simulator with the Biopac measurement system.

    Car simulator with the Biopac measurement system.

  • Image Result

    Pedal layout: front view (I) with (A) the accelerator and (B) the brake pedal sizes and lateral separation. Side view (II) with the inclination of the pedals and the positive perpendicular separation

    Pedal layout: front view (I) with (A) the accelerator and (B) the brake pedal sizes and lateral separation. Side view (II) with the inclination of the pedals and the positive perpendicular separation of the brake pedal.

  • Image Result
    Overview of the pedal with (A) the right foot pressing the accelerator and (B) the foot pressing the brake pedal.

    Overview of the pedal with (A) the right foot pressing the accelerator and (B) the foot pressing the brake pedal.

  • Image Result
    Steering wheel positions in the complex task: (A) start position and (B) end position.

    Steering wheel positions in the complex task: (A) start position and (B) end position.

  • Image Result
    Mean BRT values across the 3 measurements: simple versus complex task. *Significant difference.

    Mean BRT values across the 3 measurements: simple versus complex task. *Significant difference.

  • Image Result
    Mean RT values across the 3 measurements: simple versus complex task. *Significant difference.

    Mean RT values across the 3 measurements: simple versus complex task. *Significant difference.

  • Image Result
    Mean movement time (MT) values across the 3 measurements: simple versus complex task. *Significant difference.

    Mean movement time (MT) values across the 3 measurements: simple versus complex task. *Significant difference.

 Supported by the Gemeinnütziger Verein ENDO-Klinik eV.

 No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the author(s) or upon any organization with which the author(s) is/are associated.

PII: S0003-9993(08)00107-X

doi: 10.1016/j.apmr.2007.10.025

Archives of Physical Medicine and Rehabilitation
Volume 89, Issue 5 , Pages 851-855 , May 2008

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