What is ergonomics? - AnswersDesigning work systems around the capabilities & limitations of people,
both physical and cognitive.
Goal of ergonomics - AnswersCreate the work so everyone is capable of doing it without injury or strain.
Minimize effort.
What are the benefits of ergonomics? - Answers-Reduces potential for injury & discomfort
-Reduces fatigue
-Increase Productivity
Participatory Process - AnswersProcess that encourages workers to contribute to the job design process.
Efficacy - AnswersIdeal Conditions
Effectiveness - AnswersNormal circumstances
Efficiency - AnswersSaving resources
Ways to prevent musculoskeletal injuries/disorders - AnswersErgonomics, worker selection, personal
protective equipment (PPE), warm up exercises, training
What are the types of muscles? - AnswersSkeletal, cardiac, and smooth
OSHA - AnswersOccupational Safety and Health Administration
(Mid) Sagittal Plane - AnswersDivides the body between the left and right sides
When do 68% of observations fall within a single standard deviation of the average? - AnswersIn a
normal distribution
Types of anthropometric design strategies - AnswersDesign for extremes, design for reach, design for
average, design for fit
What does it mean to "Design for Reach"? - AnswersWhen a design is made with the upper 95% of the
population along a given anthropometric dimension are accommodated. (Smaller can't reach).
What is Epidemiology? - AnswersThe study of relationships between disease and risk factor exposure.
What are examples of Passive Health Surveillance? - AnswersAnalysis of OSHA records, plant medical
records, worker comp records, etc.
What is Passive Hazard Surveillance? - AnswersReviewing accident reports and OSHA inspection reports.
What is Active Health Surveillance? - AnswersWorkers survey, medical screenings, etc.
, What is Active Hazard Surveillance? - AnswersDirected hazard survey, personal sampling for exposure.
What is a hazard? - AnswersWorkplace condition or worker action that could lead to injuries, illnesses,
or other material damages/losses
Normalized Incident Rate - Answers(# of new cases during past year / of hours worked in past year) *
200000
What is a muscle? - AnswersTissue made up of connective tissue and bundles of fibers made up of fibrils,
which are made up of protein filaments (actin and myosin)
What are the types of muscle contractions? - AnswersConcentric, eccentric, isometric
What is ATP? - AnswersAdenosine Triphosphate
Chemical compound that is essential for muscle contraction.
What is the Sliding Filament Theory? - AnswersIncludes details about protein filaments acitin and myosin
moving relative to each other.
What is OSHA's mission? - AnswersTo assure safe and healthy workers in America by setting and
enforcing standards.
How is anthropometric data changing over time? - AnswersThe height and weight of people is
increasing.
Why is there no such thing as the "average person"? - AnswersA person may ave the average dimension
in one area of their body, but it is extremely rate that the person has more than one average dimension.
How is anthropometric data collected? - AnswersBy making measurements of a group of people, usually
in the military.
How do we combine anthropometric dimensions? - AnswersAdding the means of the two dimensions or
use the formula for the addition or subtraction of standard deviation.
What is occupational epidemiology? - AnswersInvestigations linking hypothesized health hazards
exposures.
What is surveillance? - AnswersThe ongoing and systematic collection, analysis, and interpretation of
data related to worker health. It is meant to identify and track patterns of injuries/illnesses in groups of
workers & identify risk factors
What is a risk factor? - AnswersAn attribute that is suspected to be related to the occurence of a
particular adverse health outcome.