VO₂max, Metabolic Rate, and Body Composition Testing in Downtown Toronto
Objective physiology testing for people who want better answers than wearable estimates and generic training advice.
Stop guessing. Measure what your body is actually doing.
Performance testing gives you objective data on your aerobic fitness, metabolism, body composition, and movement mechanics so your training, nutrition, and health decisions are based on your physiology—not estimates from a watch, scale, or generic calculator.
Not sure what service is right for you?
Book our complimentary 15-minute meet-and-greet where we can discuss your current capacity, , injury history and future performance or longevity goals and find the right fit for you!
Why Performance Testing?
Performance testing helps replace guesswork with objective information.
Many people make decisions about training, nutrition, recovery, and long-term health based on incomplete data. They may rely on wearable estimates, generic calorie equations, body weight alone, or how they feel on a given day. While those inputs can be helpful, they do not always show what is actually happening beneath the surface.
Testing allows us to measure key aspects of your physiology and performance directly. Depending on your goals, this may include aerobic fitness, heart-rate training zones, resting metabolic rate, body composition, running mechanics, or other markers of physical capacity.
The value is not just in the numbers. The value is in understanding what those numbers mean.
A VO₂max score, metabolic rate, or body composition result is only useful if it helps guide better decisions. Performance testing helps identify where you are now, what may be limiting your progress, and what changes are most likely to matter. That information can then be used to build a smarter training plan, support body composition goals, track progress over time, or create a more personalized approach to health and longevity.
Whether you are training for an event, returning to exercise, improving your fitness, or simply trying to understand your body better, performance testing gives you a clearer starting point and a more informed path forward.
Who this is for:
Performance testing is not just for elite athletes. It is for anyone who wants clearer information about their fitness, metabolism, body composition, or movement. Whether you are training for an event, returning to exercise, working on body recomposition, or tracking longevity metrics, objective testing can help you make better decisions.
. We recommend performance testing for:
Runners and endurance athletes
Health-focused adults
People starting a training program
People working on body recomposition (weight loss and muscle gain)
Adults interested in longevity metrics
Patients returning to exercise after injury
What you leave with:
Your results are translated into clear, practical recommendations — not just numbers on a report. You will leave with a better understanding of your fitness, metabolism, body composition, and next steps for training, health, or performance. Your testing will provide you with:
VO₂max score and cardiovascular fitness profile
Personalized heart-rate training zones
Resting metabolic rate and estimated daily energy needs
Body composition breakdown, including muscle and fat mass
Running mechanics observations and key movement findings
Practical recommendations for training, fuelling, recovery, or retesting
Available Performance & Physiology Tests
Clinical testing provides direct, individualized measurements of your physiology—such as VO₂ max, resting metabolic rate, and body composition—rather than relying on generalized population averages or wearable estimates. This precision reveals how your body truly functions, enabling more accurate risk assessment, targeted interventions, and better long-term decisions for optimizing health, performance, and longevity.
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Our VO₂max test precisely measures your body’s ability to use oxygen during exercise, delivering objective insight into cardiovascular fitness, endurance capacity, and training zones to guide personalized performance and longevity strategies.
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A body composition assessment measures the relative amounts of muscle, fat, and body water in the body using non-invasive bioelectrical impedance technology. The results help provide insight into overall body composition and can be used to guide exercise, rehabilitation, and wellness planning. This information supports individualized recommendations for training, recovery, and long-term health.
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Resting Metabolic Rate (RMR) testing measures how many calories your body uses at rest to maintain essential physiological functions such as breathing, circulation, and cellular activity. Using indirect calorimetry, the test analyzes oxygen consumption to provide an accurate estimate of your baseline energy expenditure. This allows nutrition and exercise strategies to be tailored to your physiology rather than relying on population averages.
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Our biomechanical running analysis is designed to uncover how your body moves—and where it may be working against you. Using detailed video assessment and movement breakdown, we evaluate key factors like stride mechanics, joint alignment, cadence, and force distribution. This allows us to identify inefficiencies, asymmetries, and potential injury risks. Based on your results, we provide clear, personalized recommendations to help you run more efficiently, reduce strain, and improve performance over time.
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Our custom assessment packages combine multiple services into one comprehensive evaluation of your health and fitness. By integrating tools such as body composition, VO2max, and lactate thresholds, this deeper approach helps identify underlying limitations, imbalances, and opportunities for improvement. You’ll receive a personalized plan designed to support your goals—whether that’s enhancing performance, preventing injury, or optimizing overall well-being.
Performance Resources
Why Test With Dr. Steven Murray?
Performance data is only useful if it is interpreted correctly.
Dr. Steven Murray combines clinical training, exercise physiology, rehabilitation, and performance experience to help you understand what your results mean and how to apply them.
This is especially important if you are managing injury history, returning to exercise, training for a goal, or trying to make smarter long-term health decisions.
Frequently Asked Questions
Still have questions? Take a look at the FAQ or reach out anytime. If you’re feeling ready, go ahead and book an appointment.
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No. Testing can be useful for athletes, recreational exercisers, and people who simply want objective health and fitness data.
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VO₂max testing measures how effectively your body uses oxygen during progressively harder exercise. It helps assess cardiovascular fitness and can guide training zones.
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Resting metabolic rate testing estimates how many calories your body uses at rest. Indirect calorimetry is commonly used to measure energy expenditure through breathing gases.
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Yes, it can provide better starting data for calorie needs, training decisions, and progress tracking. It should not be framed as a guaranteed weight-loss solution, but a method for gathering more accurate data for better decision making.
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For active training changes, every 8–12 weeks can make sense. For general health tracking, 2–4 times per year may be enough.
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The testing is performed at Thrive Longevity Training. The address is 518 Yonge St, Toronto, ON M4Y 1X9.