Crikey… Way to open a can of worms…
What exactly is a ‘ride standard body shape?’
Since bodies come in all shapes and sizes, which shape should they go with?
Perhaps in this case it would have been better to design the ride purely for larger guests, since 69% of US adults are over weight*. I mean, if they go down that route surely they will go with the majority? Better hope you’re on the larger side huh?
The ride must have been designed after a certain body type. That's what decided the size of the restraints, seat and everything. The designers/engineers must have based it on some kind of measurements and shapes. What those are I have no idea. Show those to the rides ops and only allow guests that conform to those to be able to ride. It's just an idea, though I prefer seatbelts, that's easier.