Wall Walk
Starting in a push-up at the base of a wall, then walking your feet up the wall and your hands toward it until you're in a near-handstand against the wall — and back down. It's a full-body pushing and core movement that builds overhead strength and comfort being inverted.
FilmableFilm this on your phone and TrueForm measures your body mechanics and tells you what to fix. You get angles, not a made-up score.