It is important to remember that as people age, lean muscle mass decreases and it is easier to accumulate excess body fat. ![]() It is actually expected that human males and females to lose 1.5 and 2 inches in height respectively by age 70. In theory, age shouldn't be a large determinant of an IBW past the ages of 14-15 for girls and 16-17 for boys, after which most people stop growing. Other factors include health conditions, fat distribution, progeny, etc. That being said, many factors can affect the ideal weight the major factors are listed below. than it is to chase a specific weight based on a generalized formula. They are only references, and it's more important to adhere to making healthy life choices such as regular exercise, eating a variety of unprocessed foods, getting enough sleep, etc. Thus far, there is no measure, be it IBW, body mass index (BMI), or any other that can definitively state how much a person should weigh to be healthy. It is highly dependent on each individual. How much a person should weigh is not an exact science. This is why IBW should be considered with the perspective that it is an imperfect measure and not necessarily indicative of health, or a weight that a person should necessarily strive toward it is possible to be over or under your "IBW" and be perfectly healthy. This means that it is possible for highly fit, healthy athletes to be considered overweight based on their IBW. It does not consider the percentages of body fat and muscle in a person's body. Note that IBW is not a perfect measurement. Today, IBW is also used widely throughout sports, since many sports classify people based on their body weight. It has since been determined that the metabolism of certain drugs is more based on IBW than it is total body weight. Although ideal body weight (IBW) today is sometimes based on perceived visual appeal, IBW was actually introduced to estimate dosages for medical use, and the formulas that calculate it are not at all related to how a person looks at a given weight. This is largely due to the perception of an "ideal" body weight, which is often based on what we see promoted through various media such as social media, TV, movies, magazines, etc. Most everyone has at some point tried to lose weight, or at least known somebody who has. For the criteria I used (185-pound person backpacking for eight hours with a moderate to heavy load), estimates range from roughly 4,600 calories to more than 6,300 calories.īased on my personal experience, I would say that range is a reasonable approximation, with steeper and more strenuous terrain leaning toward the high end, and easy to moderate terrain toward the low end.Related BMI Calculator | Body Fat Calculator | Calorie Calculator With a “moderate to heavy” load, I would burn 6,344 calories.Īs you’ll notice, estimates vary pretty markedly. According to the site, for backpacking for eight hours with a “moderate” load, I would burn 5,639 calories. For eight hours of activity, that would be 4,088 to 5,096 calories, depending on weight.į offers five backpacking categories to choose from. According to the site, a 160-pound person burns 511 calories per hour and a 200-pound person burns 637 calories per hour. ![]() The Mayo Clinic lists calories burned per hour for a variety of activities, including backpacking (though no pack weight is identified). If I were carrying more than 42 pounds, the estimate jumps to 6,042 calories. Using their activity calculator for “Hiking-climbing hills, 21-42 pound load” and assuming eight hours of activity, I would burn 5,371 calories. ![]() Using my 185-pound self as a proxy, that’s 4,625 to 5,550 calories.Ĭ offers easy-to-use resources for estimating calorie burn for more than a hundred different activities. For a strenuous day of backpacking with a “heavy” pack (no weight range specified), they suggest 25to 30 calories per pound of body weight. Here’s a quick round-up of a few online estimates (and guesstimates), plus some useful tools, for gauging your total caloric burn on your next backpacking adventure:īackpacker Magazine suggests a simple calorie estimate based on body weight and the general intensity of the day’s activity. Long answer: It depends on a multitude of factors, including body weight, pack weight, elevation gain/loss, terrain, and more.
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