Your Bathroom Scale Doesn't
Tell the Whole Story By Whitney Provost
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When it comes to weight loss, the scale can
be a good measure of progress, particularly if you have a lot of weight to
lose. But if you place too much emphasis on your weight and not enough on your
body composition (the ratio of fat to lean muscle), you're only getting half
the story. Plus, dreading your weigh-in or obsessing over the number on the
scale is unproductive and can lead to unhealthy behaviors such as bingeing or
starving yourself. Losing pounds doesn't always mean losing fat. Here's why the
scale can be misleading.
The scale doesn't tell you how
much fat you have. Your scale does exactly what it's
supposed to—it tells you how much you weigh. But in addition to measuring
your weight, the scale weighs bone, water, muscle, organs, and undigested food.
When the number on the scale goes up or down, it doesn't represent only fat
loss or muscle gain. It measures fluctuations in glycogen (stored
carbohydrates) and water, and it even measures how much that breakfast you ate
wonder about scales that claim to measure your body fat. These send small
electrical currents up one leg, through your pelvis, and down the other leg to
determine your body's density. Then a formula is used to estimate your body
fat. The problem with these scales is that they're notoriously inaccurate.
However, they are usually consistent in their readings, so they can be
helpful as a measuring tool. Even though the body fat reading might be off by
as much as 5 or 10 percent, if the number trends downward over time, you know
you're on the right track.
The scale can't tell if you've
gained muscle. A pound of muscle is like a brick,
small and compact. A pound of fat is like a fluffy feather pillow, bulky and
lumpy. When you gain muscle and lose fat, your body gets smaller and tighter.
Building muscle also makes it possible to drop clothing sizes without a big
change in weight. Perhaps after a 90-day fitness program, the scale says you
lost 7 pounds, which may not sound like much. But what if you actually lost 12
pounds of fat and gained 5 pounds of muscle? That's a remarkable improvement in
your body composition, but you wouldn't know it if you only used your regular
bathroom scale to track your progress.
You didn't really gain 5 pounds of
fat overnight. You may step on the scale one morning
and shriek in disbelief because the number is five digits higher than it was
the day before. Stop panicking. Unless you ate an extra 17,500 calories the
previous day, you didn't gain fat (a pound of fat is equivalent to 3,500
calories). Your scale is registering water, stored carbohydrates, and food.
Also, cheap bathroom scales may have measurement errors, giving slightly
different readings even when you're at exactly the same weight.
Your body's water levels are
constantly changing. The scale can move up or down
depending on how much water you drink, how much salt you consume, how much you
sweat, and how many carbohydrates you eat. An average person can see a daily
fluctuation in water weight of about 2 pounds, without any changes to diet or
exercise habits. These fluctuations do not signify fat loss, and watching the
scale move up and down every day can be frustrating for many
If you're trying to achieve a healthy weight
and improve the way you look, you should focus less on what the scale says and
more on developing the good habits that will produce results. To get lean and
strong, with low body fat and nice muscle tone, there are three things you
weight lifting (or other resistance training). Cardio workouts raise your heart rate to help you improve
your fitness level, burn calories, and shed fat. Resistance training builds
muscle, which boosts your metabolism and helps you burn even more calories.
Fitness programs like P90X®,
all use cardio plus resistance training to improve muscle mass and burn
No matter how much you exercise, you'll never reach
your fat-loss goals if you don't follow a healthy diet consisting of protein,
vegetables, fruit, and whole grains. The right foods in controlled portions
will fuel your body as it shrinks.
Track your progress. If you don't use the scale, you need to do something else
to check your progress.
of the best ways to keep track of your changing body is to use a tape measure.
Record your chest, waist, hip, thigh, arm, and wrist measurements in a journal
or the guidebook that comes with your workout program. Update the measurements
every 30 days to see how your body changes.
Pictures are also good indicators of progress. Have someone
take front, side, and back photos of you every 30 days and keep these with your
fat testers can also be used regularly to track your fat loss. Monitoring your
progress with tools other than the scale will give you a more realistic
assessment of your weight loss success.
Hydrostatic (underwater) testing and DEXA (X-ray) scans use
advanced technology to measure your body fat with a high degree of accuracy. An
Internet search can help you find testing centers in your area.
Notice how your clothes fit. This is a foolproof way to
prove that you're losing weight. If your clothes are getting looser, your body
is shrinking, even if you don't see a big change in the mirror yet.
Too many people are slaves to the scale.
They can't resist weighing themselves, only to feel guilty, angry, or
demoralized when the numbers don't move down quickly enough. If you're one of
those people whose weigh-ins lead to loss of motivation or a feeling of
helplessness, then you need to reconsider using the scale for your progress
checks. Success is more than just a number.