Strenuous jobs linked to burning off weight
|  | Aerobic activity off the job boosts overall good health | 
|  | A few tests can keep tabs on your cardiac health | 
Gannett News Service
Preliminary results of a study on what is driving the national trend toward more obesity show "huge effects of work-related exercise" on obesity.
People in strenuous jobs are significantly thinner than people of similar backgrounds and incomes who get less exercise at work, according to a study done by the Rand Corp. and the University of Chicago.
Here is a calculation on calories burned every half hour by a 170-pound worker.
- Fighting a fire: 463.5
 - Shoveling, digging ditches: 328.5
 - Carrying heavy load (such as bricks): 309
 - Working in general forestry: 309
 - Working in masonry, concrete: 270.5
 - Building road: 232
 - Chopping and splitting wood: 232
 - Mining coal: 232
 - Working in construction, outside remodeling: 212.5
 - Waiting tables: 154.5
 - Working in bakery, general: 154.5
 - Raking leaves: 154.5
 - Cleaning house: 135
 - Caring for a child, general: 135
 - Working in carpentry, general: 135
 - Doing electrical, plumbing work : 135
 - Standing, moderate (fast assembly): 135
 - Standing, light (clerk, filing): 96.5
 - Typing: 58
 - Sitting, light office work: 58
 
Note: Calculations are a general guideline and may vary according to metabolism and other factors. Consider discussing your calorie output with your physician.
Source: Health Calculators provided by the Orlando (Fla.) Regional Hospitals.


