Personally, I don’t mind them (I know, don’t judge me), but then again, I don’t usually do 50 reps ... then jump forward again. You can refresh your memory on how to do a burpee here for ...
Hop Back: Jump your feet back toward your hands, landing in a squat position. So, what's the magic number? You're in phenomenal shape if you can crank out 50 burpees in under 5 minutes.