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Latest CO2 Max Exhale
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Latest Tapping Score
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CO2 Max Exhale Tolerance Test

Measure your CO2 tolerance and receive personalized breathing recommendations

Test Your CO2 Tolerance

This simple test measures how long you can exhale, providing insights into your breathing mechanics, CO2 tolerance, and stress sensitivity.

What You'll Do:

  1. Take 3 normal nasal breaths
  2. Take one full nasal inhale to fully fill your lungs
  3. Start the timer and exhale slowly through your nose
  4. Stop the timer when you can't exhale anymore
  5. Get your score and personalized recommendations

Preparation

Take 3 normal nasal breaths

Next: Take one full nasal inhale

Exhale Test

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Instructions: Press "Start Exhale" after taking a full inhale, then exhale slowly through your nose as long as possible. Press "Stop Exhale" when you can't exhale anymore.

Your Results

0 seconds
Average

What This Means

Your result indicates your current level of CO2 tolerance and breathing efficiency.

Recommended Breathing Cadence

Box Breathing: 4-4-4-4
Inhale 4s, Hold 4s, Exhale 4s, Hold 4s

This breathing pattern is tailored to your current CO2 tolerance level and will help improve your breathing mechanics over time.

Reference Ranges

Elite (>80s): Advanced pulmonary adaptation, excellent motor control, low arousal
Advanced (60-80s): Healthy pulmonary system, good motor control
Intermediate (41-60s): Usually improves quickly with training
Average (21-40s): Moderate to high stress sensitivity, breathing mechanics need improvement
Poor (<20s): Very high stress sensitivity, poor pulmonary capacity

Breathing Exercises

Practice guided breathing patterns to improve your CO2 tolerance

Other Breathing Exercises

Select a breathing pattern based on your current needs:

Box Breathing (4-4-4-4)

For stress reduction and nervous system balance

Pattern: Inhale 4s, Hold 4s, Exhale 4s, Hold 4s

Extended Exhale (4-8)

For relaxation and sleep preparation

Pattern: Inhale 4s, Exhale 8s

Balanced Breathing (5-5)

For focus and mental clarity

Pattern: Inhale 5s, Exhale 5s

Advanced Cadence (6-8)

For advanced practitioners with good CO2 tolerance

Pattern: Inhale 6s, Exhale 8s

Stimulating Breathing (10 cycles)

For energy and alertness - limited to 10 cycles

Pattern: 10 rapid nasal breathing cycles

Box Breathing

Follow the animation and instructions below

Inhale...

Finger Tapping Test

Measure your motor speed, coordination, and neuromuscular control

Test Your Tapping Speed

This test measures how many times you can tap in 10 seconds, providing insights into your motor speed, coordination, and neuromuscular control.

How to Perform the Test:

  1. Place your hand comfortably on a flat surface or the screen
  2. Use your dominant hand and index finger for tapping
  3. Tap the target area as quickly as possible - the test starts with your first tap
  4. Continue tapping until the 10-second timer ends
  5. Your total number of taps will be recorded automatically

Tap as quickly as possible!

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Tap the button above as many times as possible until the timer ends.

Your Tapping Speed

0 taps in 10 seconds
Average

What This Means

Your finger tapping speed indicates your motor speed, coordination, and neuromuscular control. Regular testing can help monitor changes in your motor function over time.

Reference Ranges

Elite (≥65 taps): Exceptional motor speed, coordination, and endurance
Good (55-64 taps): Above-average motor coordination and good motor speed
Average (45-54 taps): Typical performance, slight improvement possible
Below Average (35-44 taps): May indicate slight impairment, fatigue, or stress
Poor (<35 taps): Possible significant motor impairment or high fatigue

Clinical Relevance

The Finger Tapping Test (FTT) is clinically useful for assessing neurological health. It helps screen for motor impairment or decline related to neurological disorders, cognitive stress, or general fatigue. For best results, retest periodically to monitor changes over time.