BY Kim Fulford & Josh Prince S332 Ergonomics

 Keeping fatigue low by avoiding stress while driving on long trips  Good seat position  Good shoulder & leg position  Appropriate Arm and Shoulder position.

ergonomics-long-trip-mov.--3o.htm

 Shoulder impingement  Increased load on lower lumbar  Sciatic nerve pain (hip impingement)  Leg room – lack of  Carpal Tunnel symptoms  Head and neck pain – no head room  Body is subjected to outside forces: vibration, jerking, no stabilization

JOSH’S WORK TRUCKKIM IN WORK TRUCK

 Josh: Height: 76 in Seat angle: 105 deg Shoulder to steering wheel: 25 in Elbow to steering wheel: 12 in Leg angle: 110 deg Arm angle: 170 deg  Kim: Height: 66 in Seat angle: 105 deg Shoulder to steering wheel: 21 in Elbow to steering wheel: 14 in Leg angle: 140 deg Arm angle: 120 deg

JOSH PERSONAL TRUCKKIM PERSONAL TRUCK

 Josh: Height: 76 in Seat angle: 100 deg Shoulder to steering wheel: 20 in Elbow to steering wheel: 13 in Leg angle: 140 deg Arm angle: 120 deg  Kim: Height: 66 in Seat angle: 110 deg Shoulder to steering wheel: 21 in Elbow to steering wheel: 14 in Leg angle: 135 deg Arm angle: 129 deg

Data from charts p Taken from Kromer & Grandjean p mm converted to inches MEN WOMEN Dimension 5th %50th %95th %SD 5th %50th %95th %SD Stature* Eye height Shoulder height Elbow height Sitting height Knee height Hip breadth (sitting) Shoulder - elbow length Elbow - finger length Forward grip reach Weight *All numbers have been converted from mm to inches; and kg to pounds

 When looking for a new car make sure the seat offer: Seat distance Seat height Seat back rest angle Lumbar cushion  Change posture often on long drives

 “Fitting the Task to the Human”, Fifth edition, 2005, Kroemer and Grandjean  “Car ergonomics for Comfortable Road Trips”, video,  “Driving Ergonomics”,