Seems is not that easy to generate images with our subjects standing and showing the whole body. Some tricks might do the job, let's see what we can do about it.
Stance / Attack Stance / Dramatic Stance / ETC
Well, as you would expect, not all results are not perfect, but some are great. Using "stance" word in your prompt might do the work.
"Standing for a photo"
"Standing at 10 meters ways from the camera"
Subject standing at a specified distance from the camera alos might to the trick.
::5 weighting
Prompt as seen here