Explainers

Functional Trainers Explained — How They Work, What Matters, and Key Specs

These explainers cover how functional trainers work, cable pulley systems, weight stack mechanics, adjustable arms, resistance ratios, and core terminology—giving you the fundamentals you need before you start comparing models.

How Functional Trainers Work Cable & Pulley Systems Weight Stack & Resistance Ratios Single vs. Dual Stack
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Featured

Clear, practical explainers covering how functional trainers work, pulley and cable mechanics, weight stack ratios, and adjustable arm systems—so you can understand the technology before comparing models or buying.

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All Explainers

Browse the complete functional trainer explainer library below. Each guide breaks down cable systems, resistance ratios, frame construction, and attachment types to help you understand how functional trainers work and what actually matters.

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Finished learning the basics? Jump to the next level—see our top picks, narrow choices with comparisons, or go deep with hands-on reviews.

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