Posing is easier to learn when it has a clear practice structure. Standing in front of a mirror until you feel satisfied can become repetitive without revealing what needs attention. Choose one position or transition to work on, create enough space, and keep the session manageable. The purpose is to become more familiar with the task, not to judge your physique continuously.
If you are preparing for a competition, use the current requirements of the relevant organization and seek experienced coaching. Different categories and events may ask for different presentations. General online examples are not a substitute for those details. For recreational practice, begin with comfortable positions and avoid forcing joints or holding a pose through pain.
Break the movement into parts: how you enter, where you place your feet, and how you leave. Practice slowly enough to notice what you are doing. A permitted recording from a stable angle may provide useful feedback, but keep other people out of the frame. Review a short clip rather than filming the entire session without a specific question.
Finish with one note about what became more consistent and one point to revisit. Posing can be practiced deliberately without turning every session into a comparison with someone else's presentation. A small, repeatable routine gives you a better foundation for learning than occasional long sessions driven by frustration or the search for a perfect reflection.