Understanding your DEXA Report
Sean Selters • June 18, 2025
A Step-by-Step Breakdown

Understanding Your DEXA Report: A Step-by-Step Breakdown
 
 Getting your DEXA scan results can feel overwhelming at first glance. All those numbers, percentages, and medical terms might seem confusing, but don't worry – we're here to break it down for you in simple, understandable language. Let's walk through your DEXA report step by step so you can make the most of this valuable health information.
 
 What Makes DEXA Scanning Special?
 
 Before diving into your results, it's important to understand why DEXA scanning is the gold standard for body composition analysis. Unlike other methods that estimate your body fat, DEXA measures every fat cell in your body – including fat in your brain, bone marrow, and organs. This is why DEXA body fat percentages are typically higher than other testing methods, but they're also the most accurate you can get outside of a hospital setting.
 
 Page 1: Your Body Composition Snapshot
 
 The Big Three Numbers
 
 - Total Mass vs. Weight: You'll notice your report shows both "Total Mass" and "Weight." Your scale weight is what you see at home and is affected by gravity, while total mass is a constant scientific measurement. They're usually within a couple pounds of each other, and all calculations in your report use mass for precision.
 - Lean Mass: This includes everything that is not fat or bone – your muscles, organs, cartilage, tendons, hydration, and even what's in your digestive system. The higher your "Tissue % Lean," the more muscular your body composition.
 - Fat Mass: Simply put, this is just fat – nothing else. Your tissue vs. body fat percentage is calculated by dividing your fat mass by your total tissue mass (total mass, minus bone mass).
 
Understanding Your Body Fat Percentage
 
 Your body fat percentage appears as "Region % Fat" in your report. Here are the ranges we recommend based on American Council on Exercise guidelines:
 
 For Men:
 
 - Essential fat: 2-4%
 - Athletes: 6-13%
 - Fitness Enthusiasts: 14-17%
 - Healthy Average: 18-24%
 - Obese: 25% plus
 
For Women:
 
 - Essential fat: 10-12%
 - Athletes: 14-20%
 - Fitness Enthusiasts: 21-24%
 - Healthy Average: 25-31%
 - Obese: 32% plus
 
Understanding Regional Analysis
 
 Android vs. Gynoid: The Apple and Pear Story
 
 Your DEXA report breaks down where you store fat, which is crucial for health assessment:
 
 - Android Region (Belly Fat): This is your "apple shape" area. An android percentage higher than your gynoid percentage may indicate increased health risks.
 - Gynoid Region (Hip Fat): This is your "pear shape" area, representing fat stored in your hips and thighs.
 - A/G Ratio: A ratio over 1.0 means you store more fat in your belly than your hips. Combined with your overall body fat percentage, this helps assess potential health risks.
 
Bone Health: Your T-Score and Z-Score Explained
 
 T-Score
 
 This compares your bone density to a healthy 30-year-old of the same sex and ethnicity (peak bone strength). 
 
 Z-Score
 
 This compares your bone density to others your same age, sex, and ethnicity. It helps determine if your bone density is appropriate for your age group.
 
 - Acceptable Range - Within the blue area
 - Above Average - Within the dark green area
 - Possible Osteopenia or Osteoporosis - Below the green area
 
Metabolic Insights
 
 Resting Metabolic Rate (RMR)
 
 Your report includes an estimated 
RMR using the Harris-Benedict equation. This represents the calories your body burns just staying alive – maintaining body temperature, heartbeat, and breathing. Important note: 
This is a formula-based estimate, not your actual RMR. For your true metabolic rate, you'd need our separate RMR test.
 
 Relative Skeletal Muscle Index (RSMI)
 
 This measures your relative muscle mass using the Baumgartner equation. It's particularly important for assessing sarcopenia (muscle loss) as we age. Men should aim for above 7.26 kg/m², and women above 5.45 kg/m².
 
 Tracking Your Progress: The Trend Pages
 
 Body Composition History
 
 Your report includes a detailed history showing changes over time. Look for:
 
 - Change vs. Baseline: How you compare to your first scan
 - Change vs. Previous: How you've changed since your last scan
 
This data is invaluable for tracking whether you're losing fat, gaining muscle, or both.
 
 Segmental Analysis
 
 This breaks down your body into regions (arms, legs, trunk) and shows:
 
 - Fat distribution in each area
 - Lean mass balance between right and left sides
 - Changes over time in specific body regions
 
Making Sense of the Assessment Section
 
 The final page provides checkboxes for various categories. This page is great if you are working with a doctor, nutritionist, and/or trainer. 
 
 - Nutritional Evaluation: Protein, mineral, and fat status
 - Weight Management: Overall weight and body composition status
 - Body Strength: Upper body, lower body, and overall muscle development
 
Key Points to Remember
 
 - Precision Matters: DEXA scanning has a margin of error of ±0.8% body fat for 68% of repeat scans. This is incredibly precise compared to other methods.
 - Clothing Matters: The DEXA only reads everything on the table, including your tissue, fat, and bone and clothing. Try to mirror variables such as the clothing you wear with each scan.
 - Context is Key: Your numbers should be viewed in context of your age, goals, and overall health picture.
 - Trends Tell the Story: Single measurements are snapshots; trends over time reveal your true progress.
 
What to Do with Your Results
 
 Understanding your DEXA report empowers you to:
 
 - Set realistic body composition goals. We like use SMART (Specific, Measurable, Achievable, Relevant, Time-based) Goals
 - Track meaningful changes over time
 - Identify areas that need attention (bone health, muscle balance, fat loss)
 - Make informed decisions about your health and fitness journey
 
Questions About Your Results?
 
 Remember, while this guide helps you understand the technical aspects of your report, we're always here to discuss your specific results and what they mean for your health journey. Email us at Info@BodyFatUSA.com with any questions regarding the data points on your DEXA Scan. 
 
 Your DEXA scan is a powerful tool – use it to make informed decisions about your wellness goals.
 
 Ready to track your progress? Schedule your next DEXA scan to see how your body composition changes over time. Contact Body Fat USA visit www.bodyfatusa.com to book your appointment.
 

DEXA vs. Other Body Fat Testing Methods: Why Accuracy Matters for Your Health Goals                                                      When it comes to measuring body fat percentage, not all methods are created equal. If you've been searching for "DEXA scan vs bioelectrical impedance" or wondering about the "most accurate body fat test," you're asking the right questions. Your body composition data should be precise enough to guide real health decisions – and that's where the differences between testing methods become crucial.                                                                          The Body Fat Testing Landscape: Your Options Explained                                                                                                            Bioelectrical Impedance Analysis (BIA) - The Convenient Choice                                          Those handheld devices and smart scales use electrical currents to estimate body fat. While convenient, BIA results can vary dramatically based on:                                                        Hydration levels                                     Recent meals                                     Exercise timing                                     Room temperature                                     Menstrual cycle (for women)                                                                  Accuracy Range:                      ±3-5% margin of error                                                                          Bod Pod (Air Displacement) - The Chamber Method                                          This egg-shaped chamber measures body volume to calculate density. While more accurate than BIA, it requires specific clothing and can be affected by:                                                        Body hair                                     Tight-fitting clothing issues                                     Claustrophobia concerns                                     Limited availability                                                                  Accuracy Range:                      ±2-3% margin of error                                                                                       Hydrostatic Weighing - The old "Gold Standard"                                                      Underwater weighing was once considered the gold standard, but it's uncomfortable, time-consuming, and requires:                                                        Complete submersion                                     Exhaling all air from lungs                                     Multiple attempts for accuracy                                     Specialized facilities                                                                  Accuracy Range:                      ±1-2% margin of error                                                                          DEXA Scan - The True Gold Standard                                          Dual-Energy X-ray Absorptiometry doesn't estimate – it measures. Unlike other methods that calculate based on assumptions, DEXA scans actually see and measure every fat cell in your body, including fat in your brain, bone marrow, and organs.                                           Accuracy Range:                      ±0.8% margin of error                                                                                       Why DEXA Scan Accuracy Matters: Beyond the Numbers                                                                                                                                                              Complete Body Composition Picture                                                      While other methods give you a single body fat percentage, DEXA provides:                                                        Regional fat distribution (android vs. gynoid ratios)                                     Lean muscle mass breakdown by body region                                     Bone density measurements (BMD and BMC)                                                                               Precision That Drives Results                                                      When you're tracking progress, a 3-5% margin of error (like with BIA) means you could lose 10 pounds of fat and not see it reflected in your results. DEXA's ±0.8% accuracy means you'll see real changes as they happen.                                                                                       Medical-Grade Reliability                                                      DEXA technology is the same used in hospitals and research facilities. At Body Fat USA, we use a GE Lunar Prodigy DEXA scanner – the same equipment trusted by medical professionals worldwide.                                                                                       The Science Behind DEXA Superiority                                                                                                                                                 How DEXA Actually Works                                          DEXA uses two different energy X-ray beams that interact differently with bone, lean tissue, and fat. This allows for direct measurement rather than estimation based on electrical conductivity or body density assumptions.                                                                                       What Makes DEXA Different                                                                               Direct measurement vs. estimation                                     Measures all fat including internal organ fat                                     Unaffected by hydration or recent meals                                     Consistent results regardless of external factors                                     Regional analysis shows exactly where fat is stored                                                                               Real-World Accuracy Comparison                                                      Let's say your true body fat percentage is 20%. Here's how different methods might read:                                                                      BIA Scale                          : Anywhere from 15-25% (depending on conditions)                                                   Bod Pod                          : 18-22% range                                                   Hydrostatic                          : 19-21% range                                                   DEXA                          : 19.2-20.8% range                                                      That precision matters when you're making decisions about nutrition, training, and health goals.                                                                          When Accuracy Becomes Critical                                                                                                                         Athletic Performance Optimization                                                      Athletes need precise body composition data to optimize performance. A 3% margin of error could mean the difference between peak performance and suboptimal training decisions.                                                                          Health Risk Assessment                                          Your android/gynoid ratio (belly fat vs. hip fat distribution) is a crucial health indicator. Only DEXA provides this precise regional analysis that can indicate cardiovascular and metabolic health risks.                                                                                       Progress Tracking                                                      If you're working with a trainer, nutritionist, or following a specific program, accurate baseline measurements and progress tracking are essential for adjusting your approach.                                                                          The Body Fat USA Advantage                                          At Body Fat USA, we've made DEXA scanning accessible and affordable. Here's what sets us apart:                                                        Everyday Low DEXA pricing in Colorado at just $80 per scan                                     Quick 15-20 minute sessions with immediate digital results                                     GE Lunar Prodigy scanner with medical-grade accuracy                                     Comprehensive reports explaining every measurement                                     No insurance hassles – straightforward pricing                                                                               Making the Right Choice for Your Goals                                                                                                                                                 Choose DEXA If You Want:                                                                   The most accurate body fat measurement available                                     Regional body composition analysis                                     Bone density information                                     Reliable progress tracking                                     Medical-grade precision                                                                               Consider Other Methods If:                                                                                             You need daily tracking (though this isn't recommended)                                                  Budget is the primary concern                                     You're only looking for rough estimates                                                                               Getting Started with DEXA at Body Fat USA                                                      Ready to get the most accurate picture of your body composition? Here's what to expect:                                                        Book your appointment online at www.BodyFatUSA.com or                           CLICK HERE                          to book now.                                     Arrive in comfortable/light weight clothing (no metal objects)                                     15-20 minute appointment in our comfortable facility                                     Immediate digital results delivered to your secure portal                                     Supporting documentation to help you understand your data                                                                  The Bottom Line on Body Fat Testing Accuracy                                          When you're serious about your health and fitness goals, you need data you can trust. While other methods offer convenience or lower costs, only DEXA provides the medical-grade accuracy that makes a real difference in your results.                                                              At Body Fat USA, we believe everyone deserves access to the most accurate body composition testing available. That's why we've made DEXA scanning affordable and accessible in the Denver metro area.                                                              Ready to discover your true body composition? Book your DEXA scan today and experience the difference that real accuracy makes.
 







