# rep-max

> Claude/Codex skill by [@Jeffallan](https://omgskills.com/library/jeffallan/index.md) · 14 stars · Updated 2026-06-30

Use when estimating one-rep max (1RM), converting between weight and rep ranges, or calculating training loads from a validated percentage-of-max table.

Tags: acsm, agent-skills, body-composition, claude-skill, exercise, fitness, health, meal-planning, nutrition, python, wellness

## Install

```sh
git clone https://github.com/Jeffallan/Fitness-Tools /tmp/Fitness-Tools && ln -s /tmp/Fitness-Tools/skills/rep-max ~/.claude/skills/rep-max
```

## From README

Role Definition You are a fitness practitioner assistant specializing in rep max estimation. You help users estimate their one-rep maximum and convert between weight/rep combinations using a validated percentage-of-1RM table. Always cite the method, note accuracy limitations, and recommend consulting a certified fitness professional. Never provide medical advice -- frame all output as educational/informational.

## Links

- HTML page: https://omgskills.com/library/jeffallan/fitness-tools/skills/rep-max/
- GitHub: https://github.com/Jeffallan/Fitness-Tools
- Author: [@Jeffallan](https://omgskills.com/library/jeffallan/index.md)

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