Excellent form! I've only managed to hold this position for a few seconds, and in less than perfect form lol. It does take a good amount of training, and isometric strength is indeed essential.
Maybe you'd be interested in this - my community has a themed day called Fitness Friday and we run a fitness challenge every week which rewards HSBI (which will give you higher votes on your content). I'd love to have more fitness content in the community!
RE: Art of strength || Arte de la fuerza: Front Lever VOL #01