Proper posture on a mobility scooter consists of feet flat, back supported
https://nova-wiki.win/index.php/10_Things_You_Learned_In_Kindergarden_That_Will_Help_You_Get_UK_Mobility_Scooters
Proper posture on a mobility scooter consists of feet flat, back supported, and elbows unwinded; adjust seat height and tiller for ergonomic control.