the dawn of wearable ergonomics evaluating exoskeletons in ... ergonomics... · unlocking human...
TRANSCRIPT
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Excellence in Ergonomics & Injury Prevention
The Dawn of Wearable Ergonomics – Evaluating Exoskeletons in the Field
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Briotix Mission, Vision, Values
Transforming Organizations by Unlocking Human Potential.
Delivering a competitive advantage through the application of science
in the physical, cognitive and organizational disciplines.
• Apply our passion and innovative spirit to what we do
• Deliver meaningful results to every client
• Work in a way that makes our mothers proud
• Care about people
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Agenda
• Exoskeleton Introduction
• Ergonomic Problems• Injuries
• Waste
• 2016 Exoskeleton Trials
• Exoskeleton & Wearable Sensor Considerations
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Exoskeleton Introduction
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If this 1 year old can squat like this, why can’t I?
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Interdependent Systems
Neuromuscular Function
Motor Control
Mechanical Capacity
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Injury Risk Factors
Research Summary:
• Previous Injury (24)• Asymmetries (8)• Motor Control (7)• BMI (5)
(# prospective studies)
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Disparities In Movement Quality And Capacity
Functional Movement Screen (FMS) Results:
This employee failed 5 out of 7 movement tests
He has prior injuries
He has poor motor control
He has asymmetricalmovement patterns
Functional Movement Screen (FMS) Results:
This employee failed 1 out of 7 movement tests
He has no prior injuries
He has good motor control
He has symmetricalmovement patterns
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Posture Matters
Research Summary:
• Researchers are attempting to identify the “best” standing or sitting posture (Dolphens, O’Sullivan, Claus, Collins)
• Correlation between various postures and neuromuscular function (Park, Sapsford, Jull, Chan, Tsao; Hodges; Claus, Ainscought Potts, Capson, Collins)
• Correlation between various postures and pain (Dolphens, Straker, Edmondston)
Kendall Postural Types
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Posture Matters
Mean increase in force with correct posture 20 lbs Mean increase in force with correct posture 22 lbs
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Work Related Injuries Are A Problem
80% of people will have back pain in their lifetime
Back: 21 million MD visits
Shoulder: 7.5 million MD visits
Knee: 12 million MD visits
Back pain is the leading cause of disability worldwide, causing
more lost workdays than everything except the common cold
$50 billion/year spent in USA on low back injuries
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Nature Of Injuries Requiring Days Away From Work
37%
16%9%
9%
9%
21%
% distribution for occupational injuries and illnesses with days away from work by selected nature of injury or illness, all ownerships, 2015
Sprains, strains, tears Soreness, pain Cuts, lacerations, punctures
Buise, contusions Fractures All other nature of injury or illness
Total cases: 1,153,490 Source: US Bureau of Labor Statistics
53%
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Causes Of Injuries Requiring Days Away From Work
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Top Occupations With Injuries Requiring Days Away From Work
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Waste
Transport
Inventory
Motion
WaitingOver-Production
Over-Processing
Defects
Skills
Work System Waste
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Industry
Defense/Military
Rehabilitation
Mobility
Recreation/Sports
Prosthetics & Orthotics
Exoskeleton Applications
Source: Wearable Robotics Association 2016
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Overlapping Exoskeleton Related Professions
Source: Exoskeleton Report 2016
Exoskeletons
Ergonomics
Biomechatronics
Robotics
Wearable Robotics
Wearables
Biomechanics
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Exoskeleton Categories
Source: Exoskeleton Report 2016
Exoskeletons
Power Suits
Power Armor
Powered Exoskeletons
Passive Exoskeletons
Exosuits
Ergosuits
Powered Orthotics
Powered Assist Devices
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Industrial Exoskeleton Types
Industrial Exoskeletons
Full Body Power Suits
Supernumerary Robot Arms
Chair-less Chairs
Power Gloves
Back, Shoulder & Leg Support
Tool Holding
Source: Exoskeleton Report 2016
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Industrial Exoskeleton Literature
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Field Trial #1: SuitX Modular Agile Exoskeleton (MAX)
MAX components: BackX, LegX, ShoulderX, Balancing Tool Holder
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SuitX MAX Trial – BackX In Meat Dept
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SuitX MAX Trial – BackX In Tire Dept
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SuitX MAX Trial – BackX In Deli Dept
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SuitX MAX Trial – BackX In Produce Dept
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BackX EMG Data
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BackX Survey Data (n=5)
• 3/5 felt the exo would reduce work related fatigue
• 3/5 felt the exo would improve work performance
• 4/5 felt the exo would help them manage musculoskeletal health
• 4/5 would use the exo for at least part of their work day
• The exo can be worn over work clothing and under a jacket
• The fit of the exo is very important for comfort and successful outcomes
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Field Trial #2: StrongArm Technologies FLx Ergoskeleton
V22 Ergoskeleton FLx Ergoskeleton
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V22 & FLx Ergoskeleton Details
V22 Ergoskeleton is considered a Load Re-Distribution Lift Assist Device
FLx Ergoskeleton is considered a Postural Support Device
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StrongArm Trial – FLx Ergoskeleton In Meat Dept
Before After
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FLx Ergoskeleton Survey Data (n=3)
• The workers felt the exo provided them with a reminder to avoid bending and twisting via tactile cues from the device – “It talks to me”
• The workers felt the belt provided some low back bracing
• The exo can be worn over work clothing and under a jacket
• The fit of the exo is very important for successful outcomes
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What We’ve Learned
• Humans are not created equal, but jobs are designed one way
• Injuries are a huge problem
• Exoskeletons and wearable sensors are here
• Traditional ergonomic assessment methods are not sensitive to exoskeleton benefits
• Wearable sensor technology may be the best way to evaluate exoskeleton technology in the field
• Further research is needed
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Considerations for Industrial Exoskeletons
Goal
Powered or Passive
Body Part & Joints Involved
Movement Limitation
Fatigue
Balance
Size & Weight
Clothing, PPE, Tool Belts
Adjustability, Comfort & Fit
Don/Doff Time & Complexity
Pitfalls
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Considerations for All Wearable Technology
Human Factors Considerations in the Design of Wearable Devices. Vivian Genaro Motti, Kelly Caine. 2014 58: 1820. Proceedings of the Human Factors and Ergonomics Society Annual Meeting
Wearability
Usability
Customization
Durability
Ergonomics
Overload
Satisfaction
Pitfalls
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Technology Can Improve Quality Of Life
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Let’s Put Technology to Work for Us
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Thank You!
Matthew Marino, PT, MSPT, CPE, CWcHP, CSCS, TSAC-F, CPT, FMS
Lead Ergonomist with Briotix Inc.
503-863-6062