Takk for artikkelen, fant ikke helt svar på det jeg lurer på, men interessant lesning uansett
Jeg vil bare vite om alle har (forholdsvis) lik BMR
Basal Metabolic Rate (BMR)
Lorraine Lanningham-Foster, Ph.D., senior research fellow at the Mayo Clinic, in Rochester, Minnesota, explains that the technical definition of BMR is \"the energy expended when an individual is lying at complete rest, in the morning, after sleep, in the postabsorptive state.\" Except for time of day, BMR\'s motionless state of do-nothing inertia seems awfully close to what I do most nights on the couch in front of my TV.
Any appearance of passivity, however, is an illusion. Indeed, for most American males, BMR is by far the largest piece of the metabolic pie -- accounting for 60 to 70 percent of total calories expended each day. Just a few of the many metabolic jobs falling within BMR\'s bailiwick are lung function, immune response, blood circulation, and tissue repair.
Victims of severe burns, for instance, have had BMRs exceeding 8,000 calories a day while lying motionless on hospital beds. \"Even recovering from a common cold expends a large number of calories,\" says John Berardi, Ph.D., author of The Metabolism Advantage.
Acute injury and illness aside, the biggest power draw of all comes from basic tissue maintenance. \"Three-quarters of variability in BMR is predicted by lean body mass,\" explains Lanningham-Foster. This includes bones and organs, which we can\'t change, and muscles, which we can. But as we get older, the challenge to build or even just maintain our current muscle mass becomes more difficult. The reason: We start rowing against a physiological riptide known as sarcopenia of aging. Unless they take steps to counter it with strength training, virtually all men are fated to lose 1 percent of their muscle a year starting around age 25. Most of us more than make up for this loss with fat.
\"Lots of guys in their 30s and 40s will tell me, \'I\'ve been eating exactly the same foods for 20 years -- I can\'t understand why I\'m gaining weight,\' \" says Nikhil V. Dhurandhar, Ph.D., an obesity researcher at PBRC. \"What they\'re not accounting for is that their energy requirement is dropping.\"
For all too many of us, the once-proud boast of youth -- \"There\'s not an ounce of fat on this boy!\" -- gradually changes to a middle-aged lament: \"There\'s not an ounce of boy in this fat.\"
Fant noe interessant her:
Thermic Effect of Food (TEF)
A second major component of metabolism is one that most people have never heard of: TEF, the caloric \"handling cost\" of digesting, using, and storing food energy. Depending on a guy\'s genes and dietary preferences, TEF can range from 10 to 15 percent of total daily metabolism. The next time you swallow a 1,000-calorie meal, in other words, you can console yourself with the fact that your body is actually netting only 850 to 900.
It takes a lot of metabolic work to convert raw foodstuffs -- from trout amandine to Snickers bars -- into forms of energy our bodies can actually use. In a simplified overview, the process begins when the digestive system breaks down nourishment into its constituent building blocks. Complex carbohydrates are reduced to simple sugars, fats to fatty acids, and proteins to amino acids.
Betyr dette at man ved å innta \"mat\" i pulverform, får i seg mer energi fordi dette krever mindre energi å ta opp, eller er jeg helt på jordet nå?
Følte at denne artikkelen tok mer for seg hvordan man forbrenner mest mulig fett (derav navnet \"How to fire up your metabolism\") dette er det motsatte av det jeg er interessert i, men interessant lesning uansett, takk
Men jeg lurer altså på om alle har en like høy BMR (basic metabolic rate) eventuelt hvor mye dette kan endre seg fra person til person (hvis man ser bort ifra de faktorene vi vet spiller inn som f.eks muskelmasse, altså at vi tar utgangspunkt i personer med like forhold for forbrenning).
