Ergonomics Exam 1 Questions &
Answers (Grade A+)
o Ergonomic Job Analysis/ Evaluation -
correct answer ✅§ Is application of body of knowledge about
human abilities, human limitations and other human characteristics
that are relevant to design
§ Interventions is the application of that knowledge to the design of
tools, machines, tasks, jobs and environments for safe, comfortable,
and effective use
Goals of ergonomic intervention -
correct answer ✅§ Give the body the best mechanical advantage
§ Manage the pacing and duration of the job tasks
§ Manage muscle fatigue, starting with the distal-most muscles
used
§ Promote and maintain circulation
§ Consider the cognitive workload
§ Involve the workers in solution
§ Our bodies are designed to move
ergonomic task analysis: preparation -
correct answer ✅1. establish objective and obtain support
2. job description
,Ergonomics Exam 1 Questions &
Answers (Grade A+)
3. job requirements
4. symptom survey
5. risk prioritization from workers perspective
ergonomic task analysis- phases -
correct answer ✅1. preparation
2. data collection
3. task analysis
ergonomic task analysis: objectives -
correct answer ✅§ list overall objectives of job/task analysis
§ identify personnel involved with the job being studies
§ develop a plan and identify interactions with other personnel
§ obtain support for study at level of the worker, supervisors, and
management
identify activities to be conducted, plan and timeline these activitie
ergonomic task analysis: job description -
correct answer ✅§ tools, materials equipment required
§ critical demands of the job
,Ergonomics Exam 1 Questions &
Answers (Grade A+)
§ specific duties and tasks
§ what are the outcomes for evaluation
§ what behaviors, skills, knowledge and experience are most
important
§ physical demand characteristics
ergonomic task analysis: job requirements -
correct answer ✅§ worker's description of what they do (body
regions and physical stresses)
§ organizational factors
§ physical effort (Borg RPE 6-20)
§ type of work
§ frequency
§ worker's description of hazardous tasks
ergonomic task analysis: risk prioritization -
correct answer ✅§ Identify job factors
§ Body region
§ Tasks associated
§ Frequency of task performance
, Ergonomics Exam 1 Questions &
Answers (Grade A+)
ergonomic task analysis: data collection -
correct answer ✅- Task→ a unit of work, one part of the whole job
- Subtask→ one component of a task
· Continuous→ tracking or monitoring, controlling a system with
predefined parameters
o Ex→ water delivery man driving the truck
· Discrete→ procedural tasks, single trigger event (cause and effect)
o Ex→ water delivery man opening rear door of truck
· Rule based→ can be continuous or procedural, requires a decision,
"if X then do Y"
ergonomic task analysis- task analysis
- effective therbligs -
correct answer ✅- people doing something to move system
forward
§ Reach
§ Move: moves with object
§ Grasp: hand grabs object
§ Release: object released from grasp
§ Preposition: place in proper position for next use
Answers (Grade A+)
o Ergonomic Job Analysis/ Evaluation -
correct answer ✅§ Is application of body of knowledge about
human abilities, human limitations and other human characteristics
that are relevant to design
§ Interventions is the application of that knowledge to the design of
tools, machines, tasks, jobs and environments for safe, comfortable,
and effective use
Goals of ergonomic intervention -
correct answer ✅§ Give the body the best mechanical advantage
§ Manage the pacing and duration of the job tasks
§ Manage muscle fatigue, starting with the distal-most muscles
used
§ Promote and maintain circulation
§ Consider the cognitive workload
§ Involve the workers in solution
§ Our bodies are designed to move
ergonomic task analysis: preparation -
correct answer ✅1. establish objective and obtain support
2. job description
,Ergonomics Exam 1 Questions &
Answers (Grade A+)
3. job requirements
4. symptom survey
5. risk prioritization from workers perspective
ergonomic task analysis- phases -
correct answer ✅1. preparation
2. data collection
3. task analysis
ergonomic task analysis: objectives -
correct answer ✅§ list overall objectives of job/task analysis
§ identify personnel involved with the job being studies
§ develop a plan and identify interactions with other personnel
§ obtain support for study at level of the worker, supervisors, and
management
identify activities to be conducted, plan and timeline these activitie
ergonomic task analysis: job description -
correct answer ✅§ tools, materials equipment required
§ critical demands of the job
,Ergonomics Exam 1 Questions &
Answers (Grade A+)
§ specific duties and tasks
§ what are the outcomes for evaluation
§ what behaviors, skills, knowledge and experience are most
important
§ physical demand characteristics
ergonomic task analysis: job requirements -
correct answer ✅§ worker's description of what they do (body
regions and physical stresses)
§ organizational factors
§ physical effort (Borg RPE 6-20)
§ type of work
§ frequency
§ worker's description of hazardous tasks
ergonomic task analysis: risk prioritization -
correct answer ✅§ Identify job factors
§ Body region
§ Tasks associated
§ Frequency of task performance
, Ergonomics Exam 1 Questions &
Answers (Grade A+)
ergonomic task analysis: data collection -
correct answer ✅- Task→ a unit of work, one part of the whole job
- Subtask→ one component of a task
· Continuous→ tracking or monitoring, controlling a system with
predefined parameters
o Ex→ water delivery man driving the truck
· Discrete→ procedural tasks, single trigger event (cause and effect)
o Ex→ water delivery man opening rear door of truck
· Rule based→ can be continuous or procedural, requires a decision,
"if X then do Y"
ergonomic task analysis- task analysis
- effective therbligs -
correct answer ✅- people doing something to move system
forward
§ Reach
§ Move: moves with object
§ Grasp: hand grabs object
§ Release: object released from grasp
§ Preposition: place in proper position for next use
