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Motion Analyzer for Physical Therapy (MAPT)

This document outlines the Preliminary Design Review for the Motion Analyzer for Physical Therapy (MAPT) project, aimed at improving the reliability of data collection in physical therapy. The device is designed to be simple, affordable, and portable, allowing accurate measurement of patient motion and providing real-time feedback. By logging exercise data, it enhances the therapist's ability to track progress while reducing the need for multiple clinic visits. The proposed innovative solution involves a wireless sensor system integrated with a portable storage and feedback device.

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Motion Analyzer for Physical Therapy (MAPT)

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  1. October 23rd, 2009 SDP10 - Preliminary Design Review Motion Analyzer for Physical Therapy (MAPT) Arjuna Baratham (CSE) - Sean Klaiber (EE) - James Rutter (EE) - Constantina Tyes (EE) Professor Soules Advisor, Senior Lecturer, ECE

  2. Outline • Problem Statement • Design • Timeline/MDR Deliverables • Team Roles

  3. Problem Statement Reliable Quantitative Data in Physical Therapy (PT) can only be Collected with a One-on-One Patient/Therapist Interaction - Leads to multiple visits that are time consuming and costly - PT may be skeptical of the reliability of data if not present

  4. Solution Create a simple,inexpensive, and portable device that can accurately measure physical therapy related motion - Provide exercise feedback to user with simple interface - Log exercise data for PT to analyze patient's progress - Record reliable data to ensure PT's trust in device - Reduce number of visits to the clinic

  5. Outline • Problem Statement • Design • Timeline/MDR Deliverables • Team Roles

  6. Vision of Solution

  7. Block Diagram

  8. Wireless Sensor

  9. The Wireless Sensor • Measures Range of Motion • Attached to the patient’s leg • Lightweight • Non-restrictive Φ Φ Φ Φ

  10. The Wireless Sensor • Accelerometers • Measures acceleration in 3D • Data used to calculate pitch, velocity, and position Zigbee Transmitter • 10-30 meter range • Low power output • Affordable

  11. Portable Storage and Feedback Device (PSFD)

  12. PSFD Functionality • Receives physical therapy exercise data • Compares motion data to pre-defined baseline • Provides feedback to the user • Electronic display of results and device status • Stores data in a removable memory card

  13. PT Computer

  14. PT Software

  15. Design Alternatives • More than just Kinematics Sensing • Internet-based Data Exchange • Computer-Based User Interface • Proprietary PT Software (MATLAB)

  16. Outline • Problem Statement • Design • Timeline/MDR Deliverables • Team Roles

  17. Timeline

  18. MDR Deliverables • Working Wireless Sensor • Meaningful Motion Capture • Processed by Portable Device • Electronic Display of Results

  19. Team Roles • Wireless Sensor: Constantina & Arjuna • PSFD Data Processing: Arjuna & James • PSFD Interface: James • Portable Memory: Sean & Constantina • PT Software: Sean

  20. Questions • ?

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