You know that you want to lose weight. But how do you pick a goal weight that’s right for you? Do you find a celebrity, or even a friend, whose body you like and try to reach the same weight as him? Do you aim for a previous weight of your own, like what you weighed when you wore that junior prom dress 25 years ago?|
Unfortunately, neither of these are good ways to set a weight loss goal. Finding your best weight isn't as simple as plugging your height, age, and gender into a formula and getting a number spit back at you. Your body is unique to you, and so is your ideal weight. Because it involves factors that are both objective (like your health risks) and subjective (like your personal satisfaction with your appearance), your ideal body weight is much more than a number on the scale: it’s more like a state of being.
You’re at your ideal body weight when:
In the best of all possible worlds, this business of picking a good weight loss goal wouldn’t be a problem. In fact, bathroom scales wouldn’t even exist. If you think about it, what does the number on your scale really have to do with any of the reasons you want to lose weight? Whether you want to look a certain way, be more attractive or popular, manage or avoid health problems, get back into all those smaller clothes you’ve got in your closet, improve your athletic performance, recapture the glories of your youth, or simply feel a little more comfortable in your own body, the number on the scale is not what determines your success or failure. There are much better ways than scale-watching to assess your progress along the way.
The only real reason to even think in terms of a “normal” or “ideal” body weight is because there is a statistical correlation between your weight and your risk of having certain health problems that can lead to premature death or disability. Although your weight may or may not be the cause of these health problems, it’s clear that people who weigh more—or less—than “normal” are more likely to have these problems.
Experts who study these things have come up with several different methods of estimating your health risks based on your weight and size, as well as a set of calculations that are routinely used to determine whether your weight/size is in the normal range or not. Here are three of the most commonly used calculations:
Body Mass Index (BMI) is simply the number you get when you divide your weight (in kilograms) by your height squared (in centimeters). According to years of health research, the further your BMI deviates from the normal range (whether above or below), the higher your risk for obesity-related health problems (such as diabetes, high blood pressure, high cholesterol, stroke, heart disease, and bone/joint disorders). Calculate your BMI here. Similarly, you can calculate your goal weight and see if it fits in with these ranges. If not, then your expectations might be unrealistic.
Height/Weight Charts, such as the HANWI formula (below), have been around since the 1950's. BMI has pretty much replaced the older height/weight charts as the most common way to assess health risks related to weight. But variations of these charts are still used today as quick and simple ways to estimate the normal weight range for your height. Here's a simple formula you can use:
Waist-to-Hip Ratio is an important measure to use along with BMI and height/weight charts when considering your weight. Research shows that where you store body fat may be even more important than how much you have. Fat stored in the abdominal area, especially under the muscle and inside the abdominal cavity, is a lot more dangerous than fat stored in the hips and thighs, for example. One good way to make sure you aren’t overlooking a problem is to calculate your waist-to-hip ratio. Your ideal measurements should also fit into the ranges of a healthy waist-to-hip ratio. Similarly, even if you're at a "healthy" weight now according to your BMI or Height/Weight table, you might want to consider losing some extra weight if your current waist-to-hip ratio is unhealthy.
All the methods above will give you a good starting point for setting a goal weight that is reasonable (and healthy) for your height, gender, and age. However, not everyone will fit well within these ranges, and there’s no guarantee that a normal weight will mean good health everyone (or that being above normal automatically means you’ll have health problems, for that matter). Your state of health depends on other factors as well, including the quality of your diet and your exercise routine. But if the goal weight or measurements you’re hoping to achieve are very far outside the ranges you get from these methods, that’s a good indication that you may need to think twice about how realistic your goal is. To make changes to your goal weight, based on what you've learned here, click here to go to your Start Page. Once there, you can "Change" your weight loss goal by using the link in your myTools column under the heading "My SparkDiet."
The next article in this series will examine other factors—besides numbers—that determine what kind of changes you can (and can’t) achieve with diet and exercise, including the roles of your body type and genes.
Article created on: 1/22/2008
Find Your Perfect Weight - Part 1
Setting a Healthy & Achievable Weight Loss Goal
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