DexaFit Seattle

DexaFit Seattle If your body could talk, what would it tell you? making it easy to monitor & take action

We deliver immediate, personalized insights about your body, fitness, and metabolism using medical-grade technologies considered the gold standard by science.

09/01/2026

September often feels like a second January.

Vacations end. Schedules become more predictable. Training gets organized. Nutrition becomes more deliberate.

That makes the end of August an ideal time to ask what you want the next training block to prove.

Do you want to reduce fat while protecting lean mass?

Improve VO2 Max or move your aerobic threshold to a higher workload?

Build a nutrition strategy around measured resting energy expenditure rather than a population estimate?

Create a baseline for visceral fat, regional lean mass, or bone density?

The more specific the question, the more useful the follow-up becomes.

DEXA, RMR, and VO2 testing give you three different views of the system before the plan begins.

You still have to do the work.

You will simply know what the work is intended to change.

September is waiting with a fresh calendar and several opinions about what you should do next.The suggestions usually in...
08/31/2026

September is waiting with a fresh calendar and several opinions about what you should do next.

The suggestions usually involve adding cardio, changing calories, or starting another strength block. Most plans can begin before the body following them has been measured.

A comprehensive DexaFit assessment gives the planning conversation a stronger baseline.

The assessment combines a DEXA view of body composition with measured resting energy expenditure from RMR testing. A graded VO2 test adds cardiorespiratory fitness and observed ventilatory thresholds.

Together, those results help you choose a clearer priority for the next block and decide what deserves to be measured again.

September can keep the blank calendar. You can bring the useful data.

Book comprehensive testing at https://www.seattle.dexafit.com/

08/27/2026

Three people walk into DexaFit with the same sentence:
"I want to get healthier."

The first has strong lean mass and low visceral fat, but cardiorespiratory fitness falls below expectations for age and s*x. Aerobic development may deserve the first block of attention.

The second has improved VO2 Max but lost more lean mass than intended while reducing body weight. The next phase may need to emphasize resistance training, recovery, and appropriate nutrition support.

The third exercises consistently but has never measured resting energy expenditure. The calorie target guiding the plan was generated from age, height, weight, and an activity estimate. Measuring RMR may help evaluate that starting assumption.

None of these examples produces an automatic medical or nutrition prescription.

They do show why one goal can require different questions.

Comprehensive testing gives you a structured way to ask them before another month of effort is invested in a generic answer.

A good detective builds a case from more than one witness.The scale and a watch each provide useful accounts of progress...
08/27/2026

A good detective builds a case from more than one witness.

The scale and a watch each provide useful accounts of progress. DEXA, RMR, and VO2 testing add information from different systems inside the same body.

DEXA describes body composition, while RMR measures resting energy use. A graded VO2 test evaluates cardiorespiratory fitness and observed thresholds.

The value of comprehensive testing comes from seeing those results together. They can shape the priorities for nutrition and cardio training while giving the next retest a clear question to answer.

This carousel introduces the three witnesses and shows what each one adds to the case.

Save it for your next planning conversation or book comprehensive testing at https://www.seattle.dexafit.com/

A calorie equation works a lot like a weather forecast.It combines the information available, applies a model, and gives...
08/26/2026

A calorie equation works a lot like a weather forecast.

It combines the information available, applies a model, and gives you a reasonable starting point. For resting metabolism, common equations use inputs such as age, s*x, height, and weight.

Mifflin-St Jeor is one of the most respected equations in nutrition practice. Its estimate still describes the result of a model.

In a 2022 study of adults age 65 and older with obesity, 43.1 percent of Mifflin predictions fell within 10 percent of resting metabolic rate measured by indirect calorimetry. Every equation evaluated in that study had an accuracy rate below 60 percent for that specific population.

That sample has clear limits, and other populations can produce different accuracy results. The study shows why a measured RMR can be valuable when nutrition decisions depend on a more individual starting point.

Think of measured RMR as the local reading you use alongside the forecast.

RMR testing measures oxygen consumption and carbon dioxide production at rest to estimate your current resting energy expenditure.

Book RMR or comprehensive testing at https://www.seattle.dexafit.com/

08/25/2026

One of the first questions new clients ask us about DEXA is, “How much radiation am I getting?”

It’s a fair question. DEXA does use X-ray energy, so let’s put the amount into context.

The exact dose varies slightly by scanner and scan settings, but a typical whole-body DEXA scan is roughly comparable to:

✈️ About 90 minutes of flying at cruising altitude
🌎 Around half a day of ordinary background radiation
🩻 Approximately 5% of a standard chest X-ray

That small amount of energy allows the scanner to separate your body into bone, lean tissue, and fat. In about ten minutes, you can see your body-fat percentage, how much lean mass you carry and where it is distributed, your bone density, and an estimate of your visceral fat.

It also gives you something a scale cannot: a baseline.

When you return for another scan, we can compare the results and see whether the weight you gained or lost came from fat, muscle, or a combination of both.

If radiation has made you hesitant, we understand. It deserves a real explanation, and we are always happy to answer questions before you schedule.

Our $99 New Client Special is an easy way to get your first scan and see what your weight is actually made of.

Two people can weigh exactly the same and have very different bodies.The scale gives you one number: total weight. It ca...
08/24/2026

Two people can weigh exactly the same and have very different bodies.

The scale gives you one number: total weight. It cannot tell you how much of that weight is muscle, how much is fat, or where that fat is stored.

Where it is stored matters.

Visceral fat sits deep inside the abdomen around your organs. It is more metabolically active than the fat beneath your skin, and higher levels are associated with greater cardiometabolic risk. You can look relatively lean and still carry more visceral fat than you realize.

A DEXA scan gives you a detailed picture of your body composition.In one quick, low-dose X-ray scan (about the same radiation as a 90-minute flight ✈️), it maps your muscle, bone, and fat while providing an estimate of the visceral fat that a scale and mirror cannot show you.

At DexaFit Seattle, we treat two pounds of visceral fat as an important action point. There is no magic line where risk suddenly switches on, but once visceral fat reaches that neighborhood, it is a number we do not ignore.

The good news is that once you can see it, you can work on it. A retest can then show you whether your plan is actually moving the number in the right direction.

If you are new to DexaFit Seattle, our $99 New Client Special is the easiest way to get your first scan and see what your weight is really made of.

Book through our website or the link in our bio.

A 2025 randomized trial gave the scale and body-composition imaging the same five weeks to report on.Fifty-eight adults ...
08/24/2026

A 2025 randomized trial gave the scale and body-composition imaging the same five weeks to report on.

Fifty-eight adults with class 1 obesity were assigned to wear either a high-load vest equal to 11 percent of body weight or a low-load vest equal to 1 percent. Participants were asked to wear the vest for eight hours a day over five weeks.

Body weight remained similar between the groups. The body-composition results added more detail: compared with the low-load group, the high-load group showed a reduction in fat mass and an increase in lean mass, along with a smaller waist circumference.

This was a short, single-center study with a specific population and an unusual intervention. Its best use here is as an interesting result from a tightly defined setting. Weighted-vest decisions still require individual safety and professional context.

The useful marketing lesson is simpler than the intervention. Stable body weight can accompany meaningful shifts in what that weight is made of.

When the goal involves fat mass or lean tissue, DEXA gives the follow-up conversation the detail it needs.

Book DEXA or comprehensive testing at https://www.seattle.dexafit.com/

Two people each lose 30 pounds on Ozempic. The scale says they tied.They didn't. In published studies, somewhere between...
08/21/2026

Two people each lose 30 pounds on Ozempic. The scale says they tied.

They didn't.

In published studies, somewhere between a quarter and 40 percent of the weight lost on GLP-1 medications came from lean mass, which mostly means muscle.

Run that math on 30 pounds: at the low end about 7 pounds of muscle are gone, at the high end closer to 12. One person kept the tissue that protects metabolism, strength, and bone for the next 30 years. The other paid for their weight loss with it.

Same prescription, same scale. Very different bodies at the end.

To be fair to the medications: any rapid weight loss can do this, aggressive dieting included. GLP-1s just made losing weight fast far more common.

The scale cannot tell you which of those two people you are. A DEXA scan can. Twenty minutes, low-dose, and it shows exactly what your loss is made of: fat, muscle, bone. With that picture, you and your doctor can adjust protein and strength work while the weight is still coming off, which is when it's cheap to fix.

If you're on one of these medications and have never measured your body composition, this is the moment. Your first DEXA at DexaFit Seattle is $99 with the New Client Special, and we review the results with you so every number makes sense.

Book at seattle.dexafit.com.

Heart-rate zones become more useful after the session has a purpose.An easy aerobic session, threshold-focused work, and...
08/21/2026

Heart-rate zones become more useful after the session has a purpose.

An easy aerobic session, threshold-focused work, and high-intensity intervals ask the body to solve different problems. The best intensity depends on the adaptation you are trying to create, the person's current fitness, and how the session fits the rest of the week.

Zone 3 deserves context here. Moderate work can be useful for many goals. For athletes focused on raising their aerobic ceiling, the planning issue is the habit of drifting into the moderate gray zone by default. That pattern can make recovery days more demanding while reducing the quality available for truly hard sessions.

This carousel gives each major cardio session a job description so intensity follows purpose.

Save it for your next training week. For a deeper guide to thresholds and personalized zones, comment CARDIO and I'll send over the guide.

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111 W. John Street Suite 203A
Seattle, WA
98119

Opening Hours

Monday 8:45am - 6pm
Tuesday 8:45am - 4:30pm
Thursday 8:45am - 4:30pm
Friday 8:45am - 4:30pm
Saturday 8:45am - 2pm

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