Student: Ryan Sidari Supervisors: Olivia Lockwood Sherry Randhawa.
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Transcript of Student: Ryan Sidari Supervisors: Olivia Lockwood Sherry Randhawa.
![Page 1: Student: Ryan Sidari Supervisors: Olivia Lockwood Sherry Randhawa.](https://reader036.fdocuments.in/reader036/viewer/2022062516/56649dba5503460f94aab07a/html5/thumbnails/1.jpg)
Design of a Posture Monitor
Student: Ryan Sidari Supervisors: Olivia Lockwood
Sherry Randhawa
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Lower back pain & causes Background Project objectives Progress so far Schedule & deliverables Summary
Introduction
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80% of people will have a back problem at one point during their lives [1]
In South Australia, one quarter of compensation claims are a result of back injuries [2]
$40 million dollars to the state in workers compensation payouts [3]
Lower Back Pain
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A cumulative injury to the lumbar region Stress on discs, ligaments and muscles over time
[4]
Forward bending leading cause [5]
Cause of Lower Back Pain
Load
Time
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A cumulative injury to the lumbar region Stress on discs, ligaments and muscles over time
[4]
Forward bending leading cause [5]
Cause of Lower Back Pain
Load
Time
Tissue failure tolerance
Applied load
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A cumulative injury to the lumbar region Stress on discs, ligaments and muscles over time
[4]
Forward bending leading cause [5]
Cause of Lower Back Pain
Load
Time
Tissue failure tolerance
Applied load
Margin of safety
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A cumulative injury to the lumbar region Stress on discs, ligaments and muscles over time
[4]
Forward bending leading cause [5]
Cause of Lower Back Pain
Load
Time
Tissue failure tolerance
Applied load
FAILURE & INJURY
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Physiotherapist driven “Physio-in-your-pocket” Monitor user’s posture and give
feedback Early versions of device
Background
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Bluetooth Low power iPhone app:
◦ Real-time feedback◦ Reminder system◦ Review statistics◦ Calibration◦ Avatar
Ergonomics: ◦ Circuit board design◦ Chest and hip straps
Run trials to validate
Objectives
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So Far... Research and decide on components Investigate Bluetooth and develop basic app
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So Far... Research and decide on components Investigate Bluetooth and develop basic app
...What next?
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Gantt Chart
Schedule
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Gantt Chart
Schedule
Research
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Gantt Chart
Schedule
Design
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Gantt Chart
Schedule
Development
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Gantt Chart
Schedule
Testing
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Gantt Chart
Schedule
Results
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Gantt Chart
Schedule
Final
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The main deliverables for the project are the: ◦ Sensors◦ iPhone app◦ Results◦ Thesis
Deliverables
• Success of the project may be evaluated on two levels:1) Functionality of device/app2) Results from laboratory trials
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Take home messages: Lower Back Pain not
only painful but costly to both the patient and state.
Reduce cause with “physio-in-your-pocket”
SIT & STAND UP STRAIGHT!
Summary
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[1] Hill, D, Lucy, D, Tyers, C & James, L 2007, What works at work? Review of evidence assessing the effectiveness of workplace interventions to prevent and manage common health problems, Corporate Document Services,p35
[2] SafeWork SA 2013, Back Injuries: the leading cause of workplace claims, viewed 29 March 2013, <http://www.safework.sa.gov.au/contentPages/docs/resHealthyWorkplaceBackIntro.pdf>
[3] SafeWork SA 2007, The Cost, viewed 4 April 2013, <http://www.safework.sa.gov.au/contentPages/EducationAndTraining/HazardManagement/LiftingAndCarrying/liftCost.htm>
[4] Mitchell, T, O’Sullivan, PB, Burnett, AF, Straker, L & Smith A 2008, Regional differences in lumbar spinal posture and the influence of low back pain, BMC Musculoskeletal Disorders, vol 9
[5] Govindu, NK & Babski-Reves, K 2012, Effects of personal, psychological and occupational factors on low back pain severity in wokers, International Journal of Industrial Ergonomics, viewed 27 March 2013 <http://dx.doi.org/10/1016/j.ergon.2012.11.007 >
Questions?