similar to the KeyFit, two RideRight bubble levels accurately indicate correct seat angle in each rear - facing and forward - facing modes. (bestbabygearlab.com)
It may be on the pricey side, but mums who swear by it, really swear by it: it keeps baby in the ergonomically correct seated position rather than having them dangling with all their weight on their crotch. (bounty.com)
The desk chair was comfortable but did not provide an ergonomically correct seating position so necessary for longer periods of work. (frequentbusinesstraveler.com)