# Resources for safer, leaner work

Free tools, guides and webinars on the methods behind every ergonomic and time & methods assessment.

## Tools & calculators

- NIOSH Lifting Equation Calculator (coming soon) — Enter the load and the six task variables and get the Recommended Weight Limit and Lifting Index instantly, with every multiplier shown. Topics: NIOSH, Manual handling.
- Industrial Ergonomics ROI Calculator (coming soon) — Estimate what musculoskeletal disorders cost your plants each year, and what an assessment programme pays back. The headline figure is free; the full breakdown comes with the report. Topics: Business case, ROI.

## Guides

- [OCRA vs NIOSH vs REBA: the complete guide](https://postura.vision/resources/guides/ocra-vs-niosh-vs-reba/) — What each method measures, when it is the right choice, the data it needs and how to read its results — side by side. Topics: NIOSH, OCRA, REBA, Methods.
- [How to film a workstation for an ergonomic assessment](https://postura.vision/resources/guides/video-recording-ergonomic-assessment/) — Who to film, how long to record, how to frame the operator and what to sort out before the first video: the field rules that decide whether a video-based risk score can be trusted. Topics: Video analysis, OCRA, Methods.
- [OCRA High-Precision Checklist: score, risk bands and the 2026 update](https://postura.vision/resources/guides/ocra-checklist-guide/) — How the OCRA High-Precision Checklist builds its score from measured times, what each of the five risk bands means, why the boundary moved from 14 to 16, and when you need the OCRA Index instead. Topics: OCRA, Methods.
- [Pushing and pulling: ISO 11228-2 and the Snook & Ciriello tables](https://postura.vision/resources/guides/push-pull-risk-assessment/) — How to assess trolleys, pallet trucks and carts: initial and sustained force, the Snook & Ciriello tables, the two methods of ISO 11228-2 and how to read the Movement Index. Topics: Snook & Ciriello, Manual handling, Methods.

## Webinars

- Live: an AI ergonomic assessment from start to finish (coming soon) — We record a real workstation, run the analysis live and walk through every score — then take your questions. Topics: NIOSH, OCRA, Live demo.