Most people should squat "to parallel," but there are times for going higher or lower.

‘Ballerina Bulgarian squats primarily target the glutes, especially the glute medius and glute maximus,’ says James Brady, a personal trainer at OriGym. ‘Compared to standard Bulgarian split squats, ...

We already know how good squats are for leg strength and overall longevity (they mimic the key, everyday standing-to-sitting motion), but if you want a movement that also targets upper-body strength, ...