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Course 195 · Work course 65

Audit a Work Task for Ergonomic Friction

Build a paper task-observation study separating frequency, duration, force/posture cues and access constraints, with a low-risk process-change comparison and supervisor questions.

Before you start

Paper or a local document and a basic calculator are enough; all required records are supplied.

Improve a Process and Check Quality See everything you’ll need

Free download · Original practice data · No external account required. Download the starter pack

What you’ll leave with

A paper task-observation study separating frequency, duration, force/posture cues and access constraints, with a low-risk process-change comparison and supervisor questions.

Start course Start without an account. Sign in to save lesson progress across devices.

Your project

Start with the practice files. Build your project one lesson at a time.

Practice files are free without an account. Sign in to save your project record in My Proof: a description, checklist, and optional work link. Keep the original files in your own app or notebook; saving a project record does not upload them.

  1. Get your materialsDownload practice filesSupplied practice cases, a blank working record, complete lesson instructions, and annotated worked examples.
  2. Make your projectView the project checklist Work in your own notebook, document, or software. Use the supplied practice examples when you prefer.
  3. Keep a private recordSave a project record Sign in to save a description and checklist, then return to update them.
Course handbook

Know the route before you begin.

Here’s what you’ll need and what you’ll make. You can return to this guide during any lesson.

Who this is for

Learners ages 14+ exploring work and adults preparing for an entry-level or next-stage responsibility. Work eligibility, supervision and occupational requirements remain separate.

Prepare before lesson one
  • Paper or a local document and a basic calculator are enough; all required records are supplied.
  • Recommended preparation: Improve a Process and Check Quality. Use fictional information throughout.
Your final project

Finish with proof you can use.

A paper task-observation study separating frequency, duration, force/posture cues and access constraints, with a low-risk process-change comparison and supervisor questions.

Save a project record in My Proof
See project checklist and review criteria

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • Save task-demand observation record and review questions; include the original-case decision evidence and a separate changed-case result.
  • Save exposure comparison without asserting safety benefit; include the original-case decision evidence and a separate changed-case result.
  • Save annotated layout proposal with fit/access review needs; include the original-case decision evidence and a separate changed-case result.
  • Save information-layout mock up and verification checklist; include the original-case decision evidence and a separate changed-case result.
  • Save small trial review with additional fit/condition questions; include the original-case decision evidence and a separate changed-case result.
  • Save ergonomic friction packet with bounded implementation brief; include the original-case decision evidence and a separate changed-case result.

Review and revise

Use these criteria to check your work and choose what to improve.

  • The final packet uses the supplied task-specific constraints and all six records agree.
  • Every result can be traced to an identifier, input, calculation or stated decision rule.
  • Changed-case practice updates dependent records and keeps holds or uncertainty visible.
  • The packet states the learner role, authority boundary and specific next verification needed before real work.
Three ideas to help you along the way
Three useful ideas

The rules behind the steps.

01

Match the task-specific constraint

An ergonomic review describes task frequency, duration, force/posture/layout and variation; it does not diagnose a medical condition or assign a universally safe threshold.

02

Keep decisions traceable

Preserve the original records and identify which person or policy can authorize a change; a plausible assumption is not approval.

03

Test the handoff

A recommendation names task facts, proposed design, evidence and the qualified next checks; course completion cannot certify workstation safety or medical suitability.

What do these words mean?
Key words

Key terms worth knowing.

Task demand
Frequency, duration, layout and other requirements to describe for review.
Continuous bout
Uninterrupted period of a particular task, distinct from total duration.
Fit review
Appropriate assessment of individual/task/environment compatibility.
Confounding change
Another changed factor that prevents isolating one specific cause.
Your route

6 lessons.
One useful project.

Work in order the first time. Each lesson makes something the next lesson can use.

  1. 1
    Up next

    Observe task demands without diagnosing a person

    Save task-demand observation record and review questions. Explain how an ergonomic review describes task frequency, duration, force/posture/layout and variation; it does not diagnose a medical condition or assign a universally safe threshold.

  2. 2
    10 min

    Compare exposure opportunities and sustained duration

    Save exposure comparison without asserting safety benefit. Explain how repetition counts and continuous bouts are different measures; the same total can have different work organization and rest/variation patterns.

  3. 3
    11 min

    Map reach and information layout in a paper workspace

    Save annotated layout proposal with fit/access review needs. Explain how paper layout can propose placing often-used items closer to the work sequence, but actual fit, accessibility and new conditions must be validated with appropriate people.

  4. 4
    11 min

    Reduce information friction without creating a new burden

    Save information-layout mock up and verification checklist. Explain how an ergonomic work-design review can include visual and information demands; proposed changes need accuracy checks as well as reduced unnecessary search.

  5. 5
    10 min

    Evaluate a bounded trial using task and quality measures

    Save small trial review with additional fit/condition questions. Explain how a design trial should define what was changed, compare like periods and monitor new problems; faster work alone is not proof of comfort or lower injury risk.

  6. 6
    15 min

    Write a task-design recommendation with unresolved fit

    Save ergonomic friction packet with bounded implementation brief. Explain how a recommendation names task facts, proposed design, evidence and the qualified next checks; course completion cannot certify workstation safety or medical suitability.

Use the tools

Tools to help you practice.

See all tools
ZIP · practice files

Audit a Work Task for Ergonomic Friction practice files

Supplied practice cases, a blank working record, complete lesson instructions, and annotated worked examples.

Text worksheet

Your course project worksheet

A downloadable text worksheet with each lesson’s working output, space for your answers, and the shared final-project checklist. Save your own copy.

Source transparency

Sources and further study.

Explore the references behind the lessons and take your learning further. Source notes explain access and reuse.

19-5012.00 - Occupational Health and Safety Technicians
Source & access notes · checked 2026-10-01

Occupational task and responsibility context; the exercise policies and quantities are original fictional inputs. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

Ergonomics - Overview | Occupational Safety and Health Administration
Source & access notes · checked 2026-10-01

Public agency or educational context; no source exercises are copied and no simulated threshold is presented as an official rule. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

About Ergonomics and Work-Related Musculoskeletal Disorders | Ergonomics | CDC
Source & access notes · checked 2026-10-01

Public agency or educational context; no source exercises are copied and no simulated threshold is presented as an official rule. Page title and relevant content inspected; no interactive controls or credential process tested.

Access: Readable official page retrieved with the web reader on 2026-10-01.

Reuse: All teaching cases, data, worked steps and questions are original. Link and limited paraphrase for context; no copied source exercises.

Ready when you are

Start with the first useful move.

You’ll always know what to do, what to make, and where to go next.

Start lesson one