I've got a dodgy ankle, from bending the handlebars on a motorbike with it, as I ejected.
Peugeot clutches are a pig. The clutch pedal is small, and it's impossible to get the whole foot on it, just the toes, where it causes most stress. I often change gear in a car without the clutch.
As you say, a bigger vehicle, with a higher seat is so much better.
I guess it's different with knees. I've sometimes thought about putting an extension on the clutch pedal.