If you want to maximize comfort and/or efficiency on your rides, a professional bike fit can make a major difference. You’d be surprised at what shifting a saddle up or back a few millimeters can do.

Behind every perfectly tailored “Bridgerton” costume and ad for Lululemon leggings lies the work of fit models, the unsung heroes who help designers create clothes that actually work on real bodies.

When it comes to the modeling industry, fitness models are the cream (or perhaps the protein shake) of the crop—their work requires stringent levels of physical demands. If you want to start working ...