2007 AgrAbility
Off Road Seating
2007 AgrAbility Workshop
Stout Vocational Rehabilitation Institute
Jim Hubbard, MS, ATP, RET
hubbardj@uwstout.edu
715-232-1982
Hubbard UW-STOUT
2007 AgrAbility
Off Road Seating – Agenda
1:45 – 3:15
Introductions
Seating – The Critical Factors
Seating Specialist - Services/Process
Pressure mapping and WBV
Seats sampler and DIY options
Summary/Questions
Hubbard UW-STOUT
2007 AgrAbility
Off Road Seating – Agenda
3:45 – 5:00
Seating case histories
Small group forums – future focus
Experiential activities
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Partners completing body measurement forms
Personal pressure mapping opportunity
Extended tryout of seats and special wheelchairs
Hubbard UW-STOUT
2007 AgrAbility
Introductions
Off Road Seating (Hubbard 2007)
Tractor Seating (Novak – Willkomm 2005)
10 Commandments of Seating (Jones 2004)
Hubbard UW-STOUT
2007 AgrAbility
Why proper seating?
One of the primary ergonomic factors
Relationship to health and safety
A variable of equipment selection
Expected future regulation
Desirable cost / benefit ratios
Hubbard UW-STOUT
2007 AgrAbility
Role of Assistive Technologist
Match functional abilities with tasks
Assess and recommend commercial
products
Modify existing products or use them in a
different way
Custom fabricate products as necessary
Develop new work methods
Assist in implementation of technology
Hubbard UW-STOUT
2007 AgrAbility
AT Accommodation Model
Assess
User
Ability
Analyze
Task
Demands
Are User and
Tasks
Compatible?
Successful Access
Hubbard UW-STOUT
2007 AgrAbility
Problem Solving Cycle
Apply
Observe a
situation
Produce
Identify/
Define
Problem
Evaluate
Test
Gather Information
Make Prototype
Plan Construction
Frame Brief
Generate
Ideas
Choose
Solution
Hubbard UW-STOUT
Detail
Solution
2007 AgrAbility
What’s new in seating
Hubbard UW-STOUT
2007 AgrAbility
The Importance of SEATING
Comfort versus Function
Positioning/Orientation in Space
Dynamic Stability versus Static Load
Control of shock forces
Priority of managing pressure
Hubbard UW-STOUT
2007 AgrAbility
Seating Dimensions
Hubbard UW-STOUT
2007 AgrAbility
Anthropometric
HUMAN MEASUREMENT
Body Measurements
Hubbard UW-STOUT
2007 AgrAbility
Assistive Technology
(Rehabilitation Technology)
The science (and art) of adapting the
work, the workplace, or the
environment to an individual with an
injury or disability
Assistive Technology is a process,
not just a product or device
“Ergonomics for One”
Hubbard UW-STOUT
2007 AgrAbility
ERGONOMICS / FITTING
Ergonomics:
The term “ergonomics” is
derived from two Greek
words: “ergon”, meaning
work and “nomoi”,
meaning natural laws.
http://www.apple.com/about/ergonomics/seat.html
Hubbard UW-STOUT
2007 AgrAbility
“Old time” Ergonomics
Hubbard UW-STOUT
2007 AgrAbility
Risk Factors that relate to loss
Repetition
Force
Awkward postures
Contact stress
Static loading
Psychosocial stress
Extremes in temperature or vibration
Personal risk factors
Hubbard UW-STOUT
2007 AgrAbility
Seating
Positioning/Orientation
Recline
Tilt-in-Space
Hubbard UW-STOUT
2007 AgrAbility
Seating
Positioning/Orientation
Lateral Tilt
Office Chair
Hubbard UW-STOUT
2007 AgrAbility
Seating
Custom Seating
Seat Orthotics
Hubbard UW-STOUT
2007 AgrAbility
Seating
Computerized Pressure Mapping
Hubbard UW-STOUT
2007 AgrAbility
Computerized Pressure Mapping Display
Hubbard UW-STOUT
2007 AgrAbility
Seating
Pressure Wound Factors / Braden Scale
Force over Area
Blood flow
Moisture
Shear
Nutrition
Hubbard UW-STOUT
2007 AgrAbility
Computerized Pressure Mapping
Hard Plastic Chair
Hubbard UW-STOUT
2007 AgrAbility
Pelvic landmarks
Hubbard UW-STOUT
2007 AgrAbility
Differences in seat fit dimensions
Hubbard UW-STOUT
2007 AgrAbility
Pelvis dimension similarities
Hubbard UW-STOUT
2007 AgrAbility
Computerized Pressure Mapping
Hard Plastic Chair with Air Cushion
Hubbard UW-STOUT
2007 AgrAbility
Air Cushion
Seating
Powered Air Cushion
Hubbard UW-STOUT
2007 AgrAbility
John Deere 8120
Hubbard UW-STOUT
2007 AgrAbility
Computerized Pressure Mapping
John Deere 8120
Hubbard UW-STOUT
2007 AgrAbility
Computerized Pressure Mapping
John Deere 8120
Recline
Seat to low
Hubbard UW-STOUT
2007 AgrAbility
Old
Contoured Seats
New
Hubbard UW-STOUT
2007 AgrAbility
Seating Equipment
Modular Back
Shapeable Back
Hubbard UW-STOUT
2007 AgrAbility
Early seat tractor suspension
Hubbard UW-STOUT
2007 AgrAbility
Torsion and Dampened Suspension
Hubbard UW-STOUT
2007 AgrAbility
What happens to older seats?
Hubbard UW-STOUT
2007 AgrAbility
Chev pickup with worn out seat
2600 hours or 88,000 miles
Hubbard UW-STOUT
2007 AgrAbility
Seating at WI Grain Farm
Hubbard UW-STOUT
2007 AgrAbility
JD 9650 Combine Seat
Hubbard UW-STOUT
2007 AgrAbility
JD Combine and Ford truck seat
Seat pan tilt
Powered driver seat
Hubbard UW-STOUT
2007 AgrAbility
Computerized Pressure Mapping
Closed cell foam seat with adjustability
Hubbard UW-STOUT
2007 AgrAbility
Peterbuilt truck with Seats seat
Hubbard UW-STOUT
2007 AgrAbility
Some Off Road seat companies
Sears Seating
Grammer
KAB Seating
National Seating
Recaro
Ishringhausen
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Technology

Ergonomics
 Proper design for workers’ safety, comfort,
productivity
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Anthropometrics
Pressure Mapping
Six-Axis Ride Simulator
Innovations
Products
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Ergonomics Seat Design
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Comfort and controlled seating posture
Proper support hips, ischial area, lower back,
shoulders thighs, and arms
Still allowing easy operation of all controls or turning
in the seat to look rearward.
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Anthropometrics
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Arm reach
Elbow rest height
Hip breadth
Sitting height
Stomach breadth
Thigh clearance and
weight
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Six-Axis Ride
Simulator
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Pressure mapping
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For a comfortable
ergonomic seat
Produces
pressure image
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Innovations
 Active
Suspension
System
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Innovations
 Semi-Active
Suspension
System
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Truck Seats
Agricultural/
Construction Seats
Hubbard UW-STOUT
2007 AgrAbility
Seating
Sears Seating Co.
Material Handling
seats
Future- LX Concept
Seat
Hubbard UW-STOUT
2007 AgrAbility
Seating
Grammer
Active Seat Climate
System
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Heat Exhaustion
Keep Cool
Dry and Airy
Beating the cold
Benefits at glance
 Ideal temperature,
stay pleasantly dry,
healthy
Hubbard UW-STOUT
2007 AgrAbility
Seating
Grammer
Railway
Driver seats (MS90.3)
Passenger seats(ICE
3000)
Hubbard UW-STOUT
(5 options in Passenger)
2007 AgrAbility
Seating
Grammer
Construction Machines
Actimo (Evolution)
Maximo (XXL)
Hubbard UW-STOUT
2007 AgrAbility
Seating
Grammer
Construction Machines
Primo (XXL)
Hubbard UW-STOUT
MSG20
2007 AgrAbility
Seating
Grammer
Agricultural Machines
 Compacto (6 options)
 Universo (2 options)
Hubbard UW-STOUT
2007 AgrAbility
OPERC
Off-highway Plant and Equipment
Research Centre (OPERC)
Guide to Whole Body Vibration (WBV)
Study the health effects of WBV
Exposure Action Value (EAV)
Exposure Limit Value (ELV)
UK July 2007 Regulation
Hubbard UW-STOUT
2007 AgrAbility
DYI Issues and Materials
Tryout demos and copy what works
Mock up/model temporary changes
Utilize components from products
Collect info that will facilitate assistance
Seek expertise of manufacturer reps
Collaborate with seating specialist
Hubbard UW-STOUT
2007 AgrAbility
Cushions (Width x Length)
Hudson Cushions
Hubbard UW-STOUT
2007 AgrAbility
Cushions
Hudson Accessories
Hubbard UW-STOUT
2007 AgrAbility
Cushions
Ottobock Cloud
Hubbard UW-STOUT
Jay Gel
2007 AgrAbility
Cushions
Ride Design Cushions
Hubbard UW-STOUT
2007 AgrAbility
AireRX Ventilated Cushion
•Protection from heat and
moisture build-up
Hubbard UW-STOUT
2007 AgrAbility
Cushions
Roho Cushions
Regular Cushion
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Quatro
Hubbard UW-STOUT
For trucks
2007 AgrAbility
Cushions
Roho Cushions
Motorcycle
Aviation
Hubbard UW-STOUT
2007 AgrAbility
Cushions
Comfort Company Cushions
Anti-Thrust
Foot or Elbow Pad
Hubbard UW-STOUT
2007 AgrAbility
Accessories
Falcon Rehabilitation Products, Inc.
Gel Ovations
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Arm Rests
Gel Ovations
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Hubbard UW-STOUT
Foot and calf pads
2007 AgrAbility
Accessories
Falcon Rehabilitation Products, Inc.
Gel Ovations
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Tubing Covers
Gel Ovations
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Hubbard UW-STOUT
Stick on pads
2007 AgrAbility
Cushions
Liquicell Cushions
Shear Reduction pad
used with:
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Wheelchairs
Automotive Seating
Office seating
Other uses for
liquicell:
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Footwear
Gloves
2007 AgrAbility
Resources
RESNA
AOTA
OSHA
CDC Cab Design
OPERC WBV
Industrial Seats
Local Dealers
Magic Wand
Action Products
Aire RX
Comfort Company
Falcon Rehab
Hudson Medical
Liquicell
Ottobock
Ride Designs
Roho
Hubbard UW-STOUT
2007 AgrAbility
Seat angle documentation
Hubbard UW-STOUT
2007 AgrAbility
Adaptive seating modification
Hubbard UW-STOUT
2007 AgrAbility
Armrest support modification
Hubbard UW-STOUT
2007 AgrAbility
ADAPTIVE DRIVING CONTROLS
Pedal Extensions
Hubbard UW-STOUT
2007 AgrAbility
Off Road Seating – Summary
1:45 – 3:15
Introductions
Seating – The Critical Factors
Seating Specialist - Services/Process
Pressure mapping and WBV
Seats sampler and DIY options
Summary/Questions
Hubbard UW-STOUT