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A job analysis is an objective measurement of what a job physically requires. ErgonomicWorks documents the job's essential functions and physical demands — force, repetition, reach, duration, clearance, and the postures the work requires — as measurements, evaluated against ANSI/HFES 100 and Cal/OSHA Title 8 §5110.
Employers, workers' compensation carriers and third-party administrators, qualified medical evaluators (QMEs), treating physicians, and attorneys use that documented record to make decisions about restrictions, accommodations, and return to work — decisions that need measured job demands, not job descriptions.

ANSI/HFES 100 neutral posture benchmarks.
Popliteal clearance — 2 to 3 inches — Relieves pressure on posterior tibial nerve and popliteal fossa
Elbow flexion — 90 to 105 degrees — Eliminates shoulder elevation and static trapezius load
Forearm pronation — Under 30° from the vertical resting angle — Maintains forearm neutrality and
reduces rotational load on the pronator teres
Radiocarpal extension — Below 15 degrees — Lowers intracarpal canal hydrostatic pressure
Ulnar/radial deviation — 0 degrees — Prevents tendon shear across the carpal tunnel
Visual focal distance — 20 to 30 inches — Prevents forward head tilt and ciliary muscle fatigue
Line-of-sight declination — 0 to 15 degrees — Aligns cervical spine along the natural gravity vector
ErgonomicWorks performs job analysis as a strictly vendor-neutral consulting practice. It sells no furniture, equipment, or products of any kind, provides no vendor information, and accepts no commissions — the analysis documents the job as it is, with no interest in what anyone buys afterward.
Any party to a claim may engage the analysis — employer, carrier, third-party administrator, or counsel — and the documentation is produced the same way regardless of who engages it. Complex job analyses run 60 to 90 minutes on site; the written report follows in 3 to 5 business days.
Determining Work Restrictions & Accommodations
The treating physician's documented functional restrictions are compared, task by task, against the measured demands of the actual job. The analysis shows precisely where a restriction and a demand conflict — and where they do not — which is the documented core of an accommodation decision.
Supporting Return-to-Work Decisions
With the job's demands measured, a return to full duty, modified duty, or alternative duty is decided against numbers rather than assumptions — which tasks the employee can perform within restrictions today, and which demands set the boundary.
Preventing Reinjury
Where measured demands exceed documented restrictions, the analysis identifies the specific tasks and exposures involved, so the work can be reassigned or restructured before the employee is placed back into the demand that produced the claim.
Objective Documentation for Claims
The report records essential functions, physical demands, and workstation conditions as measurements tied to ANSI/HFES 100 and Cal/OSHA Title 8 §5110 — a documented record the claim file can rely on, written to the standard a claims examiner or legal review would require.
Documentation for Disability Ratings & Apportionment
Physicians and QMEs rate impairment and apportion causation using evidence about what the job actually required. The job analysis supplies that evidence in measured form — the demands side of the record the rating is built from.
Assisting in Disputed Cases
When the parties disagree about what a job requires, an independent measurement of the job itself gives the proceeding a factual record to test both accounts against — produced by a practice with no interest in the outcome.
In a disputed claim, the questions that reach a workers' compensation judge or a qualified medical evaluator are factual questions about the job. A job analysis is requested to answer them with measurements:
1. Did the job contribute to the injury?
The measured demands — force, repetition, reach, duration, posture — establish what exposure the job actually imposed, which is the factual basis for a causation opinion.
2. Are the work restrictions reasonable for this job?
Restrictions are tested against documented demands, so a restriction can be assessed against the work it restricts rather than in the abstract.
3. Were the accommodations adequate?
The accommodation offered can be compared, task by task, against the measured demands and the documented restrictions it was meant to answer.
4. Return to the previous job, or vocational rehabilitation?
Whether the employee can return to the usual and customary job — or whether the demands place that beyond the restrictions — is decided on the documented record the analysis provides.
Phase 01 — Pre-Evaluation Case Triage and Medical Restriction Review.
The referral is scoped against the claim and the documented functional restrictions; inquiries are answered within 24 business hours.
Phase 02 — Spatial Anthropometric and Environmental Measurement.
The site visit is scheduled and the job's documentation assembled in advance.
Phase 03 — Biomechanical Task and Postural Deviation Analysis.
The job's demands are measured where the work is performed — force, repetition, reach, duration, clearance, postures.
Phase 04 — Immediate Mechanical Calibration and Dynamic Trial.
Demands are analysed against the restrictions and the standards; the written report is delivered in 3 to 5 business days.
Phase 05 — Defensible Reporting and Vendor-Neutral Controls.
The report's findings are available to the engaging party for the accommodation, return-to-work, or proceeding decisions that follow.
Workers' Compensation Ergonomic Evaluation: $650 (Flat fee · Form-based inquiry)
Forensic Job Analysis: $665 (Flat fee · Scoped prior to scheduling)
Neither service is booked online, and neither is scheduled until the matter is scoped. Referrals begin at the Workers' Compensation & Forensic Job Analysis Referral form.
Who can commission a job analysis?
An employer, its workers' compensation carrier, a third-party administrator, or counsel for any party. The analysis is produced independently and documented the same way regardless of who engages it.
What does a job analysis measure?
The physical demands of the job as it is actually performed: the essential functions, and for each task the force, repetition, reach, duration, and clearance involved, plus the postures the work requires — all documented as measurements against ANSI/HFES 100 and Cal/OSHA Title 8 §5110.
How is a job analysis different from an ergonomic evaluation?
An ergonomic evaluation assesses a person's workstation and produces corrections and a report for that worker's setup. A job analysis documents the job itself — its demands exist independently of who performs it — which is why claims, accommodations, and proceedings use job analyses as their factual record.
What information does the analysis rely on?
The job as observed and measured on site, the employer's job documentation, and the treating physician's documented functional restrictions. Entries reflect functional limitations, not medical diagnoses.
How long does a job analysis take?
A complex job analysis runs 60 to 90 minutes on site. The written report is delivered in 3 to 5 business days after the assessment.
Who receives the report?
The engaging party — employer, carrier, administrator, or counsel — receives the report. From there it enters the claim file and is available to the physicians, QMEs, and decision-makers the matter involves.
Workers' Comp Evaluation $650 · Forensic Job Analysis $665 — Inquiry Only
ErgonomicWorks · 1410 S Santa Fe Ave, Los Angeles, CA 90021 · (323) 510-5450 · info@ergonomicworks.com · Monday–Friday, 8am–7pm.
ErgonomicWorks
1410 S Santa Fe Ave, Los Angeles, CA 90021
(323) 510-5450
California Certified Small Business (SB-Micro ID: 2049116) | Small Business for Public Works (SB-PW ID: 2031140) | Woman-Owned Business (WOSB)
Monday–Friday 8:00am–7:00pm, Saturday–Sunday Closed
Copyright © 2026 ErgonomicWorks - All Rights Reserved.
ErgonomicWorks operates as an independent professional practice providing objective, vendor-neutral consulting. We do not sell office furniture, ergonomic hardware, or equipment.
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ErgonomicWorks provides professional ergonomic evaluations, biomechanical assessments, and regulatory compliance documentation, not legal advice.
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