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Proprioception Testing Device

Proprioception Testing Device. Lee C. Groeneweg, EGR Thomas A. Farley, EGR Steve Brodnicki, SPT Ryane Eno, SPT Mike Terrell, SPT. Definition of Proprioception. Joint position sense without visual input

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Proprioception Testing Device

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  1. Proprioception Testing Device Lee C. Groeneweg, EGR Thomas A. Farley, EGR Steve Brodnicki, SPT Ryane Eno, SPT Mike Terrell, SPT

  2. Definition of Proprioception • Joint position sense without visual input • Measurements help inform physical therapist of patient’s ability to determine limb location in space • Also helpful in determining whether therapy interventions are necessary

  3. Measurement of Proprioception • Blind fold individual • Place the limb into a test position • Hold in test position for a few seconds • Record angle of test position • Return to starting position • Patient places limb into the testing position • Record angle of repeated attempt

  4. Project Overview • Device to isolate and measure internal and external rotation of shoulder joint External Shoulder Rotation Internal Shoulder Rotation

  5. Statement of Need • Device to isolate and measure internal and external rotation of shoulder joint • Must measure degrees similar to physical therapist’s goniometer • Test position must be self restraining (Locking)

  6. Project Specifications • Isolation and measurement of shoulder internal and external rotation • Position of body - lying down on table • No computer technology • Easily used in a clinical setting • Portable and light • Measurement in degrees • Inexpensive • Test position must be self restraining (Locking)

  7. Design Constraints • Patient positioned lying on back • Shoulder blade must be immobilized • Upper arm positioned 90° to body • restrained • allowing longitudinal motion • in a resting position • Elbow must be positioned 90° to upper arm

  8. Prototype Stage • Discuss ideas • 2-D CAD drawings • Foam poster board • Convey 3-D concept • Receive approval

  9. Materials of Choice • Aluminum • Plastic • Standard Fasteners • Camera Tripod • Mini Laser Pointers • Ergonomic Knob

  10. Manufacturing Process Plan • Plate • band saw, vertical mill, disk grinder • Risers • vertical mill, hand-tapped threads • Slider bracket • vertical mill • Plastic laser pen holders • band saw, drill press • Tripod support plate • band saw, vertical mill, hand-tapped threads

  11. Production Stage • Approval of prototype design • Updated 2-D CAD drawings • Process plan for manufacturing • Obtain material • Manufacture parts • Assemble parts for fit • Test for proper function

  12. Features & Benefits • Adjustable for multiple users • Lightweight materials • Fully Collapsible • Portable while assembled • Design is a baseline for future devices

  13. Q and A Session Lee C. Groeneweg, EGR Thomas A. Farley, EGR Steve Brodnicki, SPT Ryane Eno, SPT Mike Terrell, SPT For addt’'l project info: http://www.eod.gvsu.edu/~groenelc/MnfgProcess/EGR367.html

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