Proper posture on a mobility scooter includes feet flat, back supported
https://www.scribd.com/document/1055062043/Why-Electric-Scooter-Mobility-Is-Fast-Becoming-The-Most-Popular-Trend-In-2024-191359
Proper posture on a mobility scooter consists of feet flat, back supported, and elbows unwinded; change seat height and tiller for ergonomic control.