What is an exercise library?
An exercise library is the catalogue of movements a platform can prescribe, each with a name, a demonstration video or images, the muscles and equipment involved, and sanctioned alternatives, sitting behind every program the coaching team writes.
It is infrastructure, not content
Operators tend to treat the exercise library as something to fill in later. It is closer to a foundation. Every program reads from it, every log writes against it, every progress chart groups by it, and renaming a movement after launch means touching all three.
The structural decisions are worth making deliberately and early: how movements are categorised, what counts as the same exercise versus a variation, and which metadata the rest of the product will need to filter on.
Licensed, filmed or both
Three options exist and most operators end up with a mix. License a third-party library to launch quickly. Film your own to look like your brand and show your own coaches. Or start licensed and replace the top movements with your own footage over time, which is usually the pragmatic path.
Filming is a bigger undertaking than it first appears. A few hundred movements, shot consistently, from the right angles, cut short enough to load on gym wifi, is a production project in its own right.
Where the licence terms matter
If you license, read what you are permitted to do with the footage. Some licences do not cover use inside a white-label app, some are per-seat, and some end if you stop paying, which would strand every program you have written. Licence terms on an exercise library are cheap to check before signing and expensive to discover after a few hundred programs have been written against it.
Questions operators ask
Four that come up on almost every call about an exercise library.
Far fewer than operators expect. Two to three hundred well-chosen movements cover the overwhelming majority of programs most businesses write. Thousands of entries mostly create a search problem and a maintenance burden nobody carries.
Eventually, if the brand matters. Your own coaches in your own space is a visible quality signal and it is yours permanently. Launching on a licensed library and replacing the most-used movements first gets most of the benefit without stalling the build.
Short, silent, looping and small. A member checks a movement for a few seconds mid-session, often on poor reception. A thirty-second narrated clip is the wrong format for that moment, however good the production.
Usually yes, and you should ask before signing. If your movements, demonstrations and metadata can be imported, you keep years of accumulated work. If they cannot, the real cost of changing platforms is much higher than the subscription suggests.
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