Ergonomics Flashcards

1
Q

Definition of Ergonomics

A
  • optimizing the fit between the individual worker and the task that they are undertaking
  • the science of designing workspaces, machine, and tasks with the capabilities and limitations of the human body in mind
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2
Q

Systems approach to ergonomics

A
  • gives recognition to the fact that change or problems in one part of the working environment will affect all others
  • worker and fast are at the center of model
  • concentric circles demonstrate factors which may interact with the individual
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3
Q

OSHA guidlines

A
  • establish accountability through a written plan
  • demonstrate management commitment to workplace safety
  • ensure employee buy in
  • conduct a work risk analysis and an ergonomics survey
  • develop and implement hazard controls
  • provide management and employee training
  • provide case management policies
  • allow for ongoing feedback
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4
Q

PTs as Ergonomic Consultants

A
  • Initiate prevention programs or work risk analysis to identify areas of risk
  • analyze and comment various job categories and physical demands
  • provide employer with report of risk factors
  • Offer to establish training programs for managers and employees
  • market services to business and industrial communities
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5
Q

purpose ergonomic assessment

A
  • study the relationship between job demands, environmental conditions and human functional characteristics
  • identify problem areas (risk factors: force, posture, time, cold, vibration)
  • create customized educational sessions
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6
Q

ergonomic team

A
  • administrators
  • occupational health/ safety department
  • employees
  • consultants
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7
Q

ergonomic assessment tools

A
  • injury and compensation records
  • employer and employee surverys
  • assessment checklists
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8
Q

Ergonomic Education to employees

A
  • back facts
  • common causes of back problems
  • lifestyle, body mechanics, and fitness
  • common misconceptions
  • proper body mechanics and posture techniques
  • general strengthening and flexibility exercises
  • what to do if injury occurs
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9
Q

ergonomic education for management

A
  • review of assessment findings
  • discussion of areas of concern
  • participation in employee education program
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10
Q

areas of concern

A
  • work height
  • work distance
  • confined area or required twisting
  • prolonged standing on hard, concrete surface
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11
Q

“regular”/ light work height

A

elbow height or shoulders flexed/abducted less than 45

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12
Q

precision work height

A

just above elbow height

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13
Q

heavy work height

A

just below elbow height

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14
Q

work distance

A

shoulders flexed/abducted less than 45 degress

consider eyesight

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15
Q

where should heavy/frequently used items be stores?

A

waist shoulder height

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16
Q

where should lighter/frequently used items be stored?

A

on higher shelves

17
Q

where should rarely used items be stored

A

lower shelves

18
Q

Chair specifications- seat

A
  • height: hip/knees = 90/90
  • depth: 1-3 inch gap
  • width: 1 in on each side
  • tilt (pan): 1-3 degrees
19
Q

chair specifications - material

A

cloth
vinyl
leather

20
Q

backrest height

A
  • upright position: support lumbar and thoracic spine
  • forward position (precision work): support lumbar spine
  • reclined position: support the thoracic and cervical spine
21
Q

where should lumbar support be?

A

L4-L5 level

22
Q

backrest tilt

A

thigh/trunk greater than 90 degrees

23
Q

arm rest height for resting

A
  • just higher than position of 90 degrees elbow flexion

- takes stress off of cervical/thoracic spine and shoulder mm

24
Q

what type of feets are best for safety/stability

A

pedestal style - 5 pronged/star system

25
Q

footrests are a problem when

A

feet do not touch the floor when the chair is raised

26
Q

idea features of footrest

A

height and tilt adjustable

portable, non skid

27
Q

computer monitor height

A
  • eyes at top of screen or just below

- >17 in screen size is best

28
Q

location of computer monitor

A

distance approximately arms length

directly in front of operator

29
Q

document holder

A
  • in line w/ monitor and keyboard

- same height as screen ( less than 30 degrees)

30
Q

keyboard

A

wrists neural

elbows = 90 degrees flexed

31
Q

writing/drawing

A

tilt desk 15-30 degrees

25 degree shoulder flexion

32
Q

desk height

A

1.5 inches above the elbow

less than 15 degrees cervical flexion