Ideally you should look for a reach where your elbows bend slightly when your hands are on the hoods without your spine flexing and bending to reach the bars for a good road bike fit.
Should you touch the floor on a road bike.
Even worse road bikes and trailsbikes are usualy ridden with clip in pedals.
Bmxs and trials bikes have almost uselessly low saddles.
Depends on what sort of bike you re riding.
If your feet are flat on the ground the saddle is too low and needs raising and if your toes are just touching the ground right on your tip toes either your bike is too big for you or the saddle is too high.
You should not be able to touch the ground when stopped on a bike while sitting on the saddle.
Dutch style town bikes cargo bikes etc you should be able to touch the ground.
If you re doing bmx tricks that s probably about right.
As long as he got you set up w the correct saddle height and close on the reach drop you should be fine.
But as noted previously your fit needs will change as your fitness and strength grows.
Most hybrids you are a no.
When you sit on the saddle both feet should reach the floor and the balls of your feet should be touching the ground.
So it is even more difficult to get the feet to the ground in an emergency.
For pretty much everything else the seat is way too low.
Yes bring your butt off of the saddle and straddle the top tube of the bike when you stop.
Depends on what kind of bicycle or how you re intending to ride it.
Give a quick push with the ground foot and then use the pedal foot to hoist yourself back up to the saddle.
Same as far as i know goes for most mountain bikes except downhillers.
The few last answers by cyclists are right.
If it s a road bike no you shouldn t be able to touch the ground.
Road bikes and trail bikes xc am put the rider into a very efficent riding position but the rider cannot touch the ground with the soles.