If you only had two numbers to predict how well you’re going to live, these are the two.
There’s a lot of noise in health and fitness. Track your steps. Count your calories. Monitor your heart rate. Weigh yourself every morning. And sure, some of that has its place. But if you zoom out and look at what the actual research says (not the trends, not the influencers, not the marketing), two numbers rise above everything else.
Strength and VO2 max.
That’s it. Those are the two most important indicators of how long and how well you’re going to live. Not your weight. Not your body fat percentage. Not how many calories you burned in a class.
What Is VO2 Max?
In plain language, VO2 max is how well your body uses oxygen. It’s the maximum amount of oxygen your body can take in and put to work during exercise. The higher your VO2 max, the more efficiently your body runs.
And your body runs on oxygen for everything. Not just exercise. Sleeping, digesting food, thinking clearly, recovering from a workout, recovering from a cold, playing with your kids, sitting in a meeting and staying sharp. All of it requires oxygen. The better your body is at using it, the easier everything becomes.
Think of it like two identical cars. Same make, same model, same tank. But one has an upgraded air intake. That car is going to be faster because it can take in more oxygen. VO2 max is your air intake.
Why VO2 Max Matters More Than You Think
The Cleveland Clinic ran one of the largest studies ever done on this: 122,007 adults over decades of follow-up. Their conclusion: VO2 max was the single most powerful predictor of survival they found. Not blood pressure. Not cholesterol. Not BMI. VO2 max.
Here’s what the numbers actually look like. People who have the ability to capture more oxygen per breath are 5x more likely to be alive than people with low fitness. To put that in perspective, that’s a bigger survival benefit than not smoking, not having hypertension, or not having diabetes.
And here’s the part that should give you hope: VO2 max is trainable at any age. It’s not something you’re born with and stuck with. You can improve it. The question is how.
What Is Real Strength?
We’re not talking about how much you can bench press or how big your arms are. We’re talking about functional strength. The ability to call on your body when you need it most.
Can you get off the floor without grabbing something? Can you catch yourself when you’re falling? Can you carry your own luggage? Can you pick up your grandkid without worrying about your back? Can you play a full round of golf and feel fine the next day? That’s real strength. It’s the kind of strength that keeps you independent, mobile, and capable as you age.
And here’s something that surprises most people: gaining muscle and gaining strength are not the same thing. You can get significantly stronger without getting bigger. It’s about training your nervous system to recruit more muscle fibers, more efficiently. That’s what the science supports, and that’s what we focus on.
Why Strength Is a Top Predictor of Mortality
The research on this is just as clear. A massive study across multiple countries found that grip strength (a simple measure of overall body strength) is a stronger predictor of heart disease than blood pressure. Read that again. Stronger than blood pressure.
For every 5 kg reduction in grip strength, the risk of death from all causes goes up 16%. People in the lowest 20% of grip strength have more than double the mortality risk compared to those with normal strength. And this holds true regardless of your cardiorespiratory fitness. Strength stands on its own as an independent predictor.
It’s one of the simplest, cheapest, and most telling measurements in all of medicine. And most people have no idea where they stand.
So What Happens When You Improve These Numbers?
Forget the studies for a second. Here’s what it actually looks like in your life.
When your strength goes up, everything gets easier. Getting off the floor, carrying groceries, picking up your kids or grandkids, catching yourself when you trip. Your joints get more stable. Your back stops complaining. You feel more capable, more independent, and less worried about getting hurt doing normal stuff. You move with confidence instead of caution.
When your VO2 max goes up, your energy changes. You stop getting winded going up stairs. You recover faster from workouts, from travel, from a bad night of sleep. Your body gets better at producing energy at the cellular level, so you feel sharper during the day and sleep better at night. Your risk of heart disease, stroke, and diabetes drops. Everything just works better because your body is getting more out of every breath.
That’s the flip side of those numbers. It’s not just about avoiding bad outcomes. It’s about how much better daily life feels when these two things are dialed in.
The Formula
So when you hear the leading doctors and researchers talk about the equation for longevity, this is what they mean:
Longevity = Strength + VO2 Max.
We don’t call it longevity at Axxiom. We call it vitality. Because longevity is about how long you live. Vitality is about how well you live. And these two numbers are the foundation of both.
How Axxiom Addresses Both
This is where most systems fall short. And it’s not that they don’t work; they do. Places like Lifetime, Orangetheory, CrossFit, they would even claim they increase longevity. And they’re right. They do. Just not to the highest level possible.
You can walk into a Lifetime and take a spin class, a yoga class, and a weightlifting class all in the same day. But having access to everything doesn’t mean the system is built around the right things. You’re picking from a menu and hoping it adds up.
The truth is, you need advanced technology to pull out the highest level of science. Think about strength. In a traditional gym, you’re really only getting stimulation in one direction: the concentric, the lifting part. The eccentric (the negative, the lowering) is where a huge amount of strength adaptation happens, and you can’t fully exploit that with regular weights. You need something like Kineo to load both directions and get stimulation both ways. That’s not possible on a cable machine or a barbell.
Same thing with VO2 max. You can absolutely improve it on a treadmill or a bike. But you’re going to have to work really hard for those gains. High-intensity intervals, zone 5 cardio, the kind of work that leaves you gasping. Why grind through that when you can get a better result sitting in a pod?
At Axxiom, the system is built around both pillars and the science is being fully exploited with the best technology.
Strength: The Kineo Intelligent Load System
Traditional weights have a fundamental limitation. The weight doesn’t change through the range of motion, so you’re always limited to a fixed weight. Kineo eliminates that. It adapts resistance in real time, matching your real strength at every point in the movement. Your muscles get stimulated through the full range, which leads to real strength gains in less time.
The Kineo allows you to load more weight in less time than you could ever dream of in a gym. That’s how you build strength that lasts for life.
VO2 Max: CVAC Adaptive Conditioning
CVAC is the other half of the equation, and it’s completely passive. You sit down in a pod. That’s it. It’s like running but you’re sitting in a chair.
CVAC uses rhythmic pressure changes to train your body to become more efficient with oxygen. Your VO2 max improves because your body learns to capture and use more oxygen per breath. More oxygen per breath means better sleep, faster recovery, lower inflammation, and more energy. It works at the cellular level.
We have the only CVAC in Colorado.
Tracking It All: The InBody 970s
You can’t improve what you don’t measure. The InBody 970s shows you exactly where you stand: muscle distribution, water balance, inflammation markers, phase angle, and more. It’s how we set your baseline and how we prove the system is working. If you don’t have data, how do you know if what you’re doing and spending money on is working?
The Takeaway
You can track your steps. You can count your calories. You can weigh yourself every morning. But if you’re not building strength and improving your VO2 max, you’re missing the two things that matter most.
The research is clear. The formula is simple. And at Axxiom, the system is built around it. Once per week. Twice if you really want it. 70 minutes that are actually moving the needle on helping you feel the best you’ve felt in years.
Axxiom Strength + Vitality is Colorado’s premier vitality optimization studio located in Greenwood Village, CO. We combine private strength training on the Kineo Intelligent Load System with CVAC adaptive conditioning and InBody 970s body composition analysis. Book your intro session at axxiomsv.com.
Sources:
– Cleveland Clinic VO2 Max Study, JAMA Network Open
– Grip Strength and Mortality, The Lancet PURE Study62000-6/abstract)
– VO2 Max and All-Cause Mortality, DexaFit