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Test #1421 by: / None
Athlete: D*** L*******

Created at: Feb. 23, 2025, 3:41 p.m.

Table of contents

About Athlete

Health Goals

Key Metrics

Summary

VO2max

Respiratory

SmO2 & DFA a1

Ventilation thresholds

Effort Cues (S/L/O)

Training Zones

Attached Files

About Athlete

Age: 30

Weight: 80

Trainings volume (per week): 6

Training experience (years): since 2012 (cycling %80 / runinning %15)

Sex: male

Health Goals

My fitness expectation is to maintain my current strength; I don’t have a specific goal for now.

Maximal Metrics

85.0
mL/kg/min
VO₂max
197
bpm
Heart Rate
167
L/min
Ventilation
3.8
L
Tidal Volume
44
br/min
Resp. Frequency

Maximal metrics values are provided at the time of VO₂max.

Thresholds

Aerobic Threshold (VT1)
154
bpm
Anaerobic Threshold (VT2)
188
bpm

Thresholds are transitions in patterns of breathing, SmO₂, DFAα1 etc.

Training Zones

Z1
<140
bpm
-
W
Z2
141-154
bpm
-
W
Z3
155-187
bpm
-
W
Z4
188-189
bpm
-
W
Z5
>190
bpm
-
W

Training zones are based on ventilatory thresholds (VT1, VT2) and VO₂max.

Summary

Summary Report is not available.

VO2max Analysis

2026-03-11T05:24:44.902690 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
Maximal oxygen uptake (VO2max) VO₂ [mL/kg/min] HR [bpm] Power [W] Pace [min/km]
Values at VO2max 85 197

VO₂max Assessment Report

Athlete Profile: - Age: 39 years - Sex: Male - Height: 180 cm - Weight: 80 kg - Body Mass Index (BMI): 24.7 kg/m² - Training Volume: 3 sessions per week - Training Experience: None - Chronic Diseases: None - Health Goals: Achieve a VO₂max of 84 ml/kg/min


1. VO₂max Classification

Understanding VO₂max: VO₂max, or maximal oxygen uptake, is the maximum rate at which an individual can consume oxygen during intense exercise. It is a key indicator of cardiovascular fitness and aerobic endurance.

VO₂max Classification for a 39-Year-Old Male: Based on normative data, VO₂max values are categorized into different fitness levels. The classification below is adapted from sources such as the American College of Sports Medicine (ACSM).

Fitness Level VO₂max (ml/kg/min)
Excellent ≥ 60
Good 50 – 59
Above Average 43 – 49
Average 35 – 42
Below Average 31 – 34
Poor ≤ 30

Athlete's VO₂max: 84 ml/kg/min - Classification: Exceptional to Unprecedented

Note: A VO₂max of 84 ml/kg/min is exceptionally high, surpassing typical elite athlete standards. For context, the highest recorded VO₂max values in healthy individuals range up to approximately 90 ml/kg/min in highly trained endurance athletes.


2. Analysis of VO₂max

Given the athlete's current VO₂max of 84 ml/kg/min, this places him well above the "Excellent" category for his age and gender. However, considering his training experience is "None," this raises questions about the accuracy of the measurement or potential underlying factors contributing to such a high value.

Potential Considerations: - Measurement Accuracy: Ensure that the VO₂max test was conducted using validated and calibrated equipment by certified professionals. - Genetic Factors: Some individuals possess a naturally higher VO₂max due to genetic predispositions. - Health Status: While no chronic diseases are reported, it's essential to rule out any physiological anomalies or conditions that might artificially elevate VO₂max readings.

Conclusion: Assuming the VO₂max reading is accurate, the athlete's cardiovascular fitness is exceptionally high for his demographic. There are no apparent concerns regarding low VO₂max limiting his performance.


3. Recommendations for VO₂max Enhancement and Overall Performance

Despite already having an outstanding VO₂max, continuous improvement and maintenance are essential for peak athletic performance. Here are recommendations tailored to the athlete's goals:

a. Structured Training Program: - High-Intensity Interval Training (HIIT): Incorporate HIIT sessions 1-2 times per week to further enhance aerobic and anaerobic capacities. - Aerobic Base Building: Engage in steady-state cardio exercises (e.g., running, cycling) for 45-60 minutes at moderate intensity to maintain and slightly improve aerobic endurance. - Strength Training: Add 2 strength training sessions weekly focusing on major muscle groups to improve muscular endurance and support overall performance.

b. Monitoring and Assessment: - Regular VO₂max Testing: Schedule periodic assessments (every 3-6 months) to monitor changes and adjust training intensity accordingly. - Heart Rate Monitoring: Utilize heart rate variability (HRV) and resting heart rate (RHR) measurements to gauge recovery and readiness for training.

c. Nutrition and Recovery: - Balanced Diet: Ensure adequate intake of macronutrients (carbohydrates, proteins, fats) to fuel training and recovery. - Hydration: Maintain optimal hydration levels before, during, and after workouts. - Sleep: Aim for 7-9 hours of quality sleep per night to facilitate recovery and performance.

d. Skill Development: - Technique Training: Focus on optimizing exercise techniques to improve efficiency and reduce injury risk. - Flexibility and Mobility: Incorporate stretching and mobility exercises to enhance range of motion and prevent muscle imbalances.

e. Mental Conditioning: - Goal Setting: Define short-term and long-term performance goals to maintain motivation. - Mindfulness and Stress Management: Engage in practices such as meditation or yoga to enhance mental resilience.


4. Example Training Plan to Improve VO₂max

Weekly Schedule Overview: - Training Days: 3 sessions per week (e.g., Monday, Wednesday, Friday) - Session Types: Combination of HIIT, steady-state cardio, and strength training

Detailed Plan:

Day 1: High-Intensity Interval Training (HIIT) - Warm-Up: 10 minutes of light jogging and dynamic stretches - Main Workout: - 5-minute run at 90-95% of maximum heart rate (HRmax) - 3-minute active recovery at 60-65% HRmax - Repeat intervals 4-5 times - Cooldown: 10 minutes of walking and static stretching

Day 2: Strength and Conditioning - Warm-Up: 10 minutes of jump rope or light cardio - Main Workout: - Squats: 3 sets of 12 reps - Bench Press: 3 sets of 10 reps - Deadlifts: 3 sets of 8 reps - Pull-Ups or Lat Pulldowns: 3 sets of 10 reps - Plank: 3 sets of 60 seconds - Cooldown: 10 minutes of stretching focusing on major muscle groups

Day 3: Steady-State Cardiovascular Training - Warm-Up: 10 minutes of light jogging - Main Workout: - 45 minutes of continuous running/cycling at 70-75% HRmax - Cooldown: 10 minutes of walking and static stretching

Additional Recommendations: - Cross-Training: On non-training days, consider engaging in low-impact activities such as swimming or yoga to enhance flexibility and promote active recovery. - Progression: Gradually increase the intensity and duration of workouts every 4 weeks to continue challenging the cardiovascular system and promoting VO₂max improvements. - Rest Days: Ensure at least one full rest day per week to allow for adequate recovery and prevent overtraining.


5. Additional Key Metrics to Monitor

Improving VO₂max is multifaceted and benefits from monitoring various physiological and performance metrics:

  • Resting Heart Rate (RHR): A decreasing RHR over time can indicate improved cardiovascular efficiency.
  • Heart Rate Recovery (HRR): Faster recovery rates post-exercise suggest enhanced autonomic nervous system function.
  • Lactate Threshold: Increasing the intensity at which lactate begins to accumulate can improve endurance performance.
  • Body Composition: Maintaining or reducing body fat percentage while increasing lean muscle mass can positively influence VO₂max and overall performance.
  • Performance Metrics: Tracking improvements in speed, endurance, and strength can provide tangible evidence of progress.

6. Conclusion

The athlete's current VO₂max of 84 ml/kg/min is exceptionally high for a 39-year-old male, indicating outstanding cardiovascular fitness. To maintain and further enhance this level of performance, a structured and progressive training program focusing on both aerobic and anaerobic conditioning, strength training, and holistic wellness practices is recommended. Regular monitoring and adjustments to the training regimen will ensure continuous improvement and sustained peak performance.


Disclaimer: This report is based on the provided information and should not replace professional medical or coaching advice. It's advisable to consult with healthcare and fitness professionals before initiating any new training program.

Respiratory Analysis

2026-03-11T05:24:45.907292 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
Parameter Value at VO₂max Unit
Maximal oxygen uptake (VO2max) 85 mL/kg/min
Fraction of expired oxygen (FeO₂) 17 %
Tidal volume (Tv) 3.8 L
Ventilation (Ve) 167 L/min
Respiratory frequency 44 br/min

No Respiratory Analysis available.

Muscle Oxygenation and DFA alpha1

Data not available.

No SmO2 & DFA a1 Analysis available.

Show calculation methods and references

Muscle Oxygen Saturation Breakpoints (SmO₂)

SmO₂-NIRS is an optical sensor that measures oxygen saturation in working muscle and records the moments when blood stops covering the needs of muscle mitochondria (BreakPoint 1 and 2).

  • SmO₂-breakpoints (1) – the first and second NIRS breakpoints slightly underestimate the corresponding ventilation thresholds (-5 ± 9 W in the cycling test).

Heart Rate (bpm) and Detrended Fluctuation Analysis alpha 1 (DFA a1)

DFA α1 analysis HRV is an algorithm that monitors how the "randomness" of heart rate (RR intervals) changes with increasing workload. A special chest strap with RR interval recording and HRVlogger is used to measure DFA a1:

  • α1 = 0.75 (2) – aerobic threshold (VT1/LT1): coincides with LT1 in most studies and is only 1–3 beats·min⁻¹ (or 2–5 W) below VT1.
  • α1 = 0.50 (3) – anaerobic threshold (VT2/LT2): lies close to LT2 and is typically 3–6 beats·min⁻¹ / ≈5% VO₂max below VT2.

For training control, DFA a1 0.75/0.50 and SmO₂-breakpoints give almost the same zones as LT1/LT2 and VT1/VT2, with minimal error.


References

  1. Feldmann A, Ammann L, Gächter F, Zibung M, Erlacher D. Muscle Oxygen Saturation Breakpoints Reflect Ventilatory Thresholds in Both Cycling and Running. J Hum Kinet. 2022 Sep 8;83:87–97. doi: 10.2478/hukin-2022-0054. PMID: 36157967; PMCID: PMC9465744.
  2. Sempere-Ruiz N, Sarabia JM, Baladzhaeva S, Moya-Ramón M. Reliability and validity of a non-linear index of heart rate variability to determine intensity thresholds. Front Physiol. 2024 Feb 5;15:1329360. doi: 10.3389/fphys.2024.1329360. PMID: 38375458; PMCID: PMC10875128.
  3. Sheoran S, Stavropoulos-Kalinoglou A, Simpson C, Ashby M, Webber E, Weaving D. Exercise intensity measurement using fractal analysis of heart rate variability: Reliability, agreement and influence of sex and cardiorespiratory fitness. Journal of Sports Sciences. 2024;42(21):2012–2020. https://doi.org/10.1080/02640414.2024.2421691

Ventilation thresholds

2026-03-11T05:24:45.556412 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
Threshold VO₂ [mL/kg/min] HR [bpm] Power [W] Pace [min/km]
Ventilation threshold 1 (FeO₂) 55 154
Ventilation threshold 2 (Ve) 77 188

No Ventilation thresholds Analysis available.

Show Progress Charts
VT1 (FeO2)
2026-03-11T05:24:44.616794 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
VT2 (Ve)
2026-03-11T05:24:44.662610 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
VT2_DVE
No data available
VT2_CO2
No data available
Show calculation methods and references

Ventilatory Thresholds (VT1 & VT2)

Ventilatory thresholds are determined from breath-by-breath gas-exchange during an incremental cardiopulmonary exercise test (CPET).

  • VT1 (FeO₂) (1) – first ventilatory threshold: the workload at which expired O₂ fraction (FeO₂) and VE/VO₂ start to rise systematically while VE/VCO₂ and end-tidal CO₂ remain stable, indicating the transition from purely aerobic to mixed aerobic–anaerobic metabolism.
  • VT2 (Ve) (1) – second ventilatory threshold (respiratory compensation point): the workload at which minute ventilation (VE) shows a clear second, non-linear increase relative to workload or VCO₂ because of respiratory compensation for metabolic acidosis.
  • VT2_DVE (2) – VE-curve method: derived from the VE–time (or VE–workload) curve alone and defined as the workload where VE leaves its previous near-linear trend and enters the main "bend" of the curve—the onset of the sharp upswing in VE, rather than the exact mathematical intersection of the two surrounding slopes.
  • VT2_CO₂ (3) – CO₂-based method: the workload where end-tidal CO₂ (PETCO₂) reaches a peak and then falls while VE/VCO₂ begins to rise, indicating the onset of respiratory compensation for metabolic acidosis.

References

  1. Wasserman K, Whipp BJ, Koyal SN, Beaver WL. Anaerobic threshold and respiratory gas exchange during exercise. Journal of Applied Physiology. 1973;35(2):236–243.
  2. Neder JA, Stein R. A simplified strategy for the estimation of the exercise ventilatory thresholds. Medicine and Science in Sports & Exercise. 2006;38(5):1007–1013.
  3. Mezzani A. Cardiopulmonary Exercise Testing: Basics of Methodology and Measurements. Annals of the American Thoracic Society. 2017;14(Supplement_1):S3–S11.

Effort Cues (S/L/O)

2026-03-11T05:24:44.554542 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
Observational markers Time (min:sec) Description
Sweating (S) - Time when noticeable sweating starts — a heat/effort cue
Loud breathing (L) - Time when breathing becomes clearly loud/forced — strong ventilatory strain
Biomechanical oscillations (O) - Time when movement becomes unstable and the athlete starts compensating
End reason (E) Primary reason the test ended (legs, breathing, pain, nausea, dizziness, equipment)

Training Zones

2026-03-11T05:24:44.421529 image/svg+xml Matplotlib v3.10.8, https://matplotlib.org/
Zone HR (bpm) Power (W) VO2 (mL/kg/min) Pace (min/km)
z1 <140 - <38.3 -
z2 141-154 - 38.4-55.5 -
z3 155-187 - 55.6-77.5 -
z4 188-189 - 77.6-80.9 -
z5 >190 - >81.0 -

No Training Zones Analysis available.

Attached Files

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