Limited time offer

$199$149 intro DEXA scan

Callum Parker
January 4, 2026

The Best Way to Measure Muscle Mass and Strength Progress

Learn the best way to measure muscle mass and strength progress using DEXA Scan data alongside performance tracking for real results.

Author
5 min read
The Best Way to Measure Muscle Mass and Strength Progress

Many people judge their progress in the gym by one metric alone, strength. If the numbers are going up, they assume muscle is being built. While strength is important, it does not always reflect changes in muscle mass. You can get stronger without adding muscle, and you can even lose muscle while strength temporarily improves.

At Kalos, we help clients understand the difference between strength gains and muscle growth by using DEXA Scan data alongside performance tracking. When both are measured together, progress becomes clear and actionable.

Here is the most reliable way to measure both muscle mass and strength progress without guessing.

Why Strength Alone Is an Incomplete Metric

Strength improvements can come from several sources:

  • Improved technique
  • Better coordination
  • Neural adaptation
  • Increased confidence under load

None of these require muscle growth. This is why strength gains often happen early in a program before muscle mass changes.

Relying on strength alone can hide muscle loss during fat loss phases or periods of high fatigue.

Why Muscle Mass Matters More Long Term

Muscle mass is one of the strongest predictors of:

  • Metabolic health
  • Injury resistance
  • Bone strength
  • Long term independence
  • Aging well

If strength increases while muscle mass declines, long term health and performance suffer.

This is why muscle mass must be measured directly.

The Most Accurate Way to Measure Muscle Mass

DEXA Scan

A DEXA Scan is one of the most accurate and repeatable ways to measure muscle mass in real world settings.

DEXA provides insight into:

  • Total lean muscle mass
  • Muscle mass by body region
  • Left to right muscle balance
  • Muscle changes over time
  • Fat mass and visceral fat alongside muscle

Because DEXA is highly precise, small but meaningful changes in muscle can be detected when scans are compared over time.

How to Measure Strength Progress Properly

Strength progress should be tracked consistently, not emotionally.

The most useful methods include:

  • Tracking compound lifts over time
  • Using consistent rep ranges
  • Monitoring rate of perceived exertion
  • Noting recovery and fatigue levels

Strength should trend upward slowly and sustainably, not spike quickly and then stall.

Why Muscle and Strength Must Be Tracked Together

The most accurate picture of progress comes from pairing both metrics.

Healthy progress looks like:

  • Lean muscle mass stable or increasing
  • Strength trending upward
  • Recovery improving
  • Fat mass decreasing or stable

Red flags include:

  • Strength up, muscle down
  • Rapid strength gains with fatigue
  • Muscle loss during dieting phases

DEXA data helps identify these patterns early.

How Often to Measure Muscle and Strength

For most people:

  • Strength tracking happens weekly
  • Muscle mass should be measured every 4 to 8 weeks

This cadence allows enough time for biological change without over interpreting short term fluctuations.

Common Mistakes That Hide Real Progress

  • Chasing maximal lifts too often
  • Cutting calories aggressively
  • Ignoring protein intake
  • Overtraining without recovery
  • Changing programs too frequently

DEXA scans often reveal muscle loss in people who believe they are progressing based on strength alone.

How to Use This Data to Train Smarter

When muscle and strength are tracked together, you can:

  • Confirm training effectiveness
  • Adjust volume and intensity
  • Protect muscle during fat loss
  • Avoid burnout
  • Train with confidence

This turns training into a feedback driven system rather than guesswork.

The Bottom Line

Strength alone does not tell the full story. To measure real progress, you must track both muscle mass and performance. Muscle mass determines long term health and resilience. Strength reflects how well that muscle is being used.

With DEXA Scan tracking at Kalos, you can measure muscle accurately, pair it with strength data, and ensure that your training is leading to real, lasting progress rather than short term illusion.

Book Your DEXA Scan with Kalos Today in Downtown San Francisco, San Jose or Palo Alto!

If you want to track muscle growth and strength progress with clarity and confidence, it is time to book your DEXA scan at Kalos. Whether your goal is to build muscle, lose fat, improve performance, or optimize longevity, our advanced technology and expert guidance will help you train smarter and see real results.

Schedule your scan today at Kalos, your journey to data-driven fitness starts now.

Schedule your DEXA scan today!

Bay Area residents trust KALKalosOS to deliver results. We proudly serve the entire  Bay Area including the following locations: