At the University of Helsingfors, Finland, inquisitive physiologists calculated the amount of energy, as measured by calories (heat units), necessary for humans to do various things. Their findings:
ACTIVITY CALORIES Lying still ...... 1 Fox trotting .... 4.78 Walking slowly.. 2.6 Stone masonry.. 5.53 Light gymnastics 2.9 Heavy gymnastics 6.7 House painting 3.3 sawing wood...6.8 Walking rapidly 3.8 Housekeeping .. 3.31 Charles polka-ing ............ 7.56 Waltzing ............ 3.99 Foil fencing ........8.25 Shimmying ...... 4.02 Sabre fencing.,.. 8.69 Washing clothes 4.21 Running ............ 9.7 Black bottoming...