Limited time offer

$199$149 intro DEXA scan

Alex Schultz
December 10, 2025

The Effects of Overtraining and How to Prevent It

Learn the effects of overtraining and how to prevent it using smart training, proper recovery, and DEXA Scan body composition tracking.

Author
5 min read
The Effects of Overtraining and How to Prevent It

Training consistently is essential for reaching your fitness goals, but training too much can do the opposite of what you want. Overtraining happens when your body does not have enough time or resources to recover between workouts. Instead of getting stronger or leaner, your progress begins to reverse.

At Kalos, we use DEXA Scan data to identify early signs of overtraining, such as lean mass loss, rising visceral fat, or stalled strength improvements. When recovery, training, and nutrition are balanced properly, progress becomes sustainable and predictable.

Here is how overtraining affects your body and how you can prevent it.

What Is Overtraining?

Overtraining occurs when workout frequency, intensity, or volume exceeds your body’s ability to recover.

It is not just training too much. It is training too much without proper recovery, sleep, nutrition, or stress management.

The Effects of Overtraining

1. Decreased Strength and Performance

When you overtrain, your nervous system becomes fatigued, making it harder to lift weight, push intensity, or complete workouts.

2. Loss of Lean Muscle

Your body breaks down muscle tissue for energy when recovery is inadequate.

DEXA scans often show early drops in lean mass as a warning sign.

3. Increased Body Fat or Fat Loss Plateaus

High stress and high cortisol make fat loss harder and can increase visceral fat.

You may work harder yet lose less fat.

4. Constant Fatigue and Low Energy

Persistent tiredness, unmotivated workouts, and feeling drained are major red flags.

5. Poor Sleep Quality

Trouble falling asleep, waking up frequently, or non restful sleep are common symptoms.

6. Higher Injury Risk

Tight muscles, joint pain, and repetitive strain injuries often appear during overtraining.

7. Weakened Immune System

Getting sick more often or taking longer to recover is a clear sign your body is overstressed.

8. Mood Changes

Overtraining can cause irritability, anxiety, reduced motivation, and even low mood.

Why Overtraining Happens

Most cases of overtraining come from a combination of factors:

  • Too many intense workouts
  • Not enough rest days
  • Insufficient calories
  • Low protein intake
  • Poor sleep
  • High life stress
  • Excessive cardio
  • Trying to progress too fast

The problem is not the workout itself. It is the imbalance between stress and recovery.

How to Prevent Overtraining

1. Prioritise Strength Training Over Excessive Cardio

Strength sessions build muscle and improve metabolism. Too much cardio increases fatigue and can cause muscle loss.

2. Include Rest Days Every Week

Aim for 1 to 3 rest or active recovery days per week depending on intensity.

3. Eat Enough to Support Training

Low calories increase the risk of overtraining.

Focus on:

  • High protein
  • Quality carbs
  • Healthy fats
  • Balanced meals

4. Sleep 7 to 9 Hours Every Night

Sleep is where most recovery happens.

Poor sleep significantly increases cortisol and injury risk.

5. Monitor Your Training Volume

Increase weight or volume slowly.

Progressive overload must be gradual, not aggressive.

6. Use Active Recovery

Walking, mobility, yoga, and stretching improve recovery and blood flow.

7. Manage Stress

Stress from work, relationships, or life adds to training stress.

Balance both with relaxation practices and consistent sleep.

How DEXA Scans Help Detect Overtraining Early

A DEXA Scan reveals subtle changes in:

  • Lean muscle mass
  • Fat mass
  • Visceral fat
  • Muscle symmetry

Early signs of overtraining often show up as:

  • Muscle loss
  • Increased visceral fat
  • Stalled improvements in lean mass

These shifts give you a chance to adjust your program before overtraining becomes a serious issue.

Real World Example

A Kalos client trained six days per week with heavy lifting and high intensity cardio. They felt exhausted and saw no progress. Their DEXA scans revealed:

  • Slight lean mass loss
  • Increased visceral fat
  • Poor recovery indicators

After reducing training to four sessions per week, improving sleep, and increasing calorie intake, their next scan showed:

  • 4.7 lbs lean mass gained
  • Visceral fat reduced
  • Higher energy and better performance

Recovery was the missing piece.

The Bottom Line

Overtraining slows progress, reduces muscle, increases fat, and harms long term performance. The solution is not to train harder, but to train smarter. Balance intensity with rest, fuel your body, sleep well, and use DEXA Scan tracking to ensure your routine supports muscle growth and fat loss.

When you recover properly, results come faster and last longer.

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

If you are ready to take control of your health with the most accurate body composition analysis available, it is time to book your DEXA scan at Kalos. Whether you are looking to get lean, build muscle, improve performance, or optimize longevity, our advanced technology and expert guidance will help you get there.

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: