Basically, it’s the science of fitting jobs to people. Ergonomic design is focuses on the design of the workplace (i.e. work tasks, equipment, and environment) for the safe and efficient use by workers.
Similar to the positions achieved when lying in the pool or floating in space. Point out people that aren’t in neutral position (i.e., slouched in chair, leaning to one side)
Repetitive Stress: caused by performing actions again and again. Causes tears in tissue, which becomes inflamed. (Tendentious, Carpal Tunnel Syndrome, Rotator Cuff injury) -Inputting data, Playing tennis, frequent use of mouse Awkward Positions: Bending, Twisting, & reaching. Places extra load on muscles, joints, & tendons. Cause pains and strains. -Bending: Leaning forward towards screen, Twisting: Turning to read copies while keying, Reaching: Long stretch to mouse or phone. Contact Stress: prolonged pressure on a part of your body. Causes pain & numbness; restricts circulation. - arms pressed on edge of desk, thumb makes contact with mouse pad, keyboard contacting legs, legs contacting chair (calf area). Visual Fatigue: Causes stress on eyes (eye strain, blurred vision, headaches, muscle pain) Static work – Forceful exertions –amount of tension our muscles generate. (i.e., tilting head backward or forward of neutral, vertical position Removed from original presentation: Repetition Sustained static exertions Forceful exertions Localized contact stress Posture
Caused by repetitive motions over a prolonged period of time. Very common in assembly line work and jobs that require continuous typing.
Surgery involves severing the band of tissue around the wrist to reduce pressure on the median nerve. Although uncommon, symptoms can recur.
Proper fitting mouse. Small mouse for big hands normally doesn’t work well. Have audience hold wrist with opposite hand and wiggle wrist from side to side. Hear any popping? -The wrist is a hinge joint; it’s not meant to move side to side. -Use arm to move mouse instead of wrist.
Adjustable chairs, keyboards, monitors
Phone book, 3-ring binder -Feet need to rest flat on the floor!!! Cuts off circulation: hanging feet & Crossed legs
Shoulder stretches, calve stretches, CEO position (hands behind head, push chin straight back. Recommended at least twice a day, morning and afternoon.
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