"vertical posture" is a perfectly acceptable phrase to use in written English.
It is used to refer to a standing upright position. For example, you could say, "He assumed a vertical posture as soon as the interview began."
The vertical posture will also keep the bristles from creeping under the stencil.
Indeed, low foot rotation enforces a vertical posture and secures the balance of the humanoid robot.
Bridge experts frequently stand on their heads, in a technical way, if they are convinced that a normal vertical posture offers no hope.
These reflexes are so important in maintaining vertical posture that severe short-term consequences on posture are seen if the vestibulocochlear nerve is cut.
After an awkward sexual encounter, for instance, the female participant "stayed where she was, in the staggered, vertical posture of a drunk hugging a street lamp".
Thackray's handsome face and strong Roman nose, his vertical posture and watery, wisenheimer eyes – with the merest hint of vulnerability – made him a housewives' favourite back in the day, though Thackray was also an anomaly, impossible to categorise.
Even when reduced to stick figures and unrecognisable shapes, the more vertical postures drawn from later productions were systematically preferred to less vertical postures from earlier productions.
For example, our result suggests that if we had tested people at the start of our time-period, in 1946, they should have preferred less vertical postures.
An account of aesthetic change based on social feedback between artist and audience would predict preference for less vertical postures at that time.
Therefore, individuals who preferred less vertical postures in 1946 might nevertheless prefer more vertical ones if tested now, due to the intervening exposure to the increasing verticality we have described.
In this context, it would be interesting to know whether the preference for more vertical postures seen in our modern subjects would also have been present had the same stimuli been shown to participants at the start of the time period.
