"Every time you put your foot down to pedal, you’ll be generating ground contact force, which is sure to work the major muscles in the leg," Lawrence says. Plus, there's nothing like that scooter-on-pavement sound.
You don't need the ability to do tricks to get a workout from the age-old mark of a cool kid. Just wobbling down the street unsteadily will work your core and calves. Not to mention, it's great cardio.