19 Weight Loss Secrets From Around the World: Take up Nordic Walking, Finland. This is one of the Finns' favorite outdoor activities. All that's required is a pair of inexpensive, lightweight walking poles. Holding these in your hands aids balance and makes you use muscles in your shoulders, arms, and torso. The poles transform walking into a total-body workout that burns 20 percent more calories. Winter or summer, it's a simple way to derive more fat-reducing benefit from your regular walk.