Likewise, it is unlikely that brachiosaurids could rear up onto the hind legs, as their center of gravity was much farther forward than other sauropods, which would cause such a stance to be unstable.
De asemenea, este puțin probabil ca brachiosauridele ar putea sta sus, pe picioarele din spate, deoarece centrul lor de greutate ar fi fost mult mai departe decât la alte sauropode, ceea ce ar provoca o instabilitate.