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Evaluation of motion platform embedded with force plate-instrumented treadmill

Evaluation of motion platform embedded with force plate-instrumented treadmill. Emily H. Sinitski, BSc; Edward D. Lemaire, PhD; Natalie Baddour, PhD. Aim

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Evaluation of motion platform embedded with force plate-instrumented treadmill

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  1. Evaluation of motion platform embedded with force plate-instrumented treadmill Emily H. Sinitski, BSc; Edward D. Lemaire, PhD; Natalie Baddour, PhD

  2. Aim • Investigate the performance characteristics associated with a “treadmill-motion platform” configuration (Computer Aided Rehabilitation Environment [CAREN]-Extended system) and how system operation can affect the data collected. • Relevance • The CAREN allows researchers to address a number of research questions by enabling manipulation of the standing or walking surface and visual scene and by providing real-time biofeedback or enabling interaction with the virtual environment.

  3. Method • Evaluated platform static and dynamic characteristics by translating or rotating platform over progressively larger distances and comparing input and measured values. • Assessed treadmill belt speed with and without person walking on platform and at different orientations. • Examined force plate measurements to observe baseline drift: • When treadmill was in operation. • During ambulation. • Over time.

  4. Results • Platform acceleration depended on distance travelled and system settings. • Treadmill speed variability was greatest at faster speeds. • Force plate measurements were affected by: • Platform and treadmill operation. • Contralateral impact forces during gait. • Baseline drift.

  5. Conclusion • Knowledge of performance characteristics and their effect on outcome data is crucial for effective design of CAREN research protocols and rehabilitation scenarios.

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