What is the best way to consume the right amount of calories but not slow down after eating them? New research suggests that how you eat can prove vital in how long you keep going.
In Montana, Oregon, summers are hot and humid. Amongst 22 million acres of forest wild fires spread, well, like wildfire. For this reason it is essential that the fire fighters controlling the flames are energised and alert at all times.
"those who grazed on FSRs completed 25% more work"
The test was conducted by Brent Ruby, University of Montana, Missoula. He fed teams of forest fire-fighters on either their standard packed lunches which were eaten all at once, or on specially made First Strike Rations (FSRs), designed to be eaten on the go over a long period of time.
He found that those who grazed throughout the day on FSRs completed 25% more work on their 10-12 hour shifts than those on packed lunches.
People in physically demanding jobs need a consistent supply of glucose and other nutrients. If this supply comes all at once blood rushes to the gut to help digest the food. This temporarily reduces the blood supply to the rest of the body, which means the muscles can't work as efficiently. Snacks need less energy to digest so less blood rushes to the gut, which allows it to be used by working muscles and should mean the snackers are able to work harder.
The consultant on the study was Brent Ruby, professor at the Department of Health and Human Performance Exercise Science Program at the University of Montana, Missoula.
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