How to Use a Machine

By Zachary, builder of Mariposas · Reviewed against published exercise-science sources (references) · Last updated June 2026

A machine is one of the most versatile tools in the gym. This guide covers what you can train with it, how to get started safely, and the most effective machine exercises, 15 of them, each with a form video. New to it? Start light, focus on control, and log your sets in Mariposas so you can add weight as you get stronger.