APEX PWR  |  Lessons in Longevity

The Movement Portfolio: Why Doing Three Things Beats Doing One Thing Longer

Most people who come to us with a longevity goal arrive with a single lever and a plan to pull it harder. Runners want to run more. Lifters want to lift more. Walkers want to walk further.

It is a reasonable instinct. A large piece of research published this January suggests it is also the slightly wrong question.

What the Study Actually Did

In January 2026, BMJ Medicine published an analysis drawn from two of the longest-running cohort studies in American medicine: the Nurses' Health Study and the Health Professionals Follow-Up Study. Participants reported their physical activity every two years. The researchers followed 111,467 of them from 1986 to 2020 and recorded 38,847 deaths.

They asked two separate questions. First, which individual activities were associated with living longer. Second, and more interesting, whether the number of different activities a person did mattered on its own, independent of how many total hours they logged.

Question one: the individual activities

Each figure below compares people who did the most of that activity against people who did little or none of it. These are not head to head comparisons between sports.

The swimming result surprised everyone, including the authors, who suspect their surveys could not capture how hard people were actually swimming. Worth holding loosely: other large cohorts have ranked swimming and racket sports at the very top. We come back to that below.

Question two: the variety finding

This is the part worth rearranging your week over.

The researchers built a variety score, counting an activity toward a person's total if they did at least 20 minutes of it per week, or climbed five flights of stairs a day. Then they compared people across variety levels while holding total activity volume constant.

Two people. Same four hours a week. One of them spends all four running. The other splits it across walking, lifting, a weekly pickleball game and the stairs at work. The second person carried measurably lower risk.

Why Variety Would Do Anything At All

The authors offer a mechanism that makes the finding easier to act on, and it is the same logic any investor would recognize.

Every activity has a dose-response curve, and every one of those curves is steepest at the beginning. The first modest dose buys you most of the available benefit. Keep piling on volume in that same activity and the returns flatten out. Across total activity, the researchers saw this plateau arrive at roughly 20 MET hours a week, which for most people is a few hours of moderate movement.

So the person doing one thing for four hours spends three of those hours out on the flat part of a single curve. The person doing four things for an hour each collects the steep early benefit of four curves at once.

There is a second, less mathematical reason. Different activities stress different systems. Lifting loads bone and defends muscle. Aerobic work builds the engine. Racket sports demand change of direction, reaction and balance, which is the skill that keeps someone upright at 75. A single modality, however well executed, leaves gaps.

Where We Push Back

We are going to be straight about what this study can and cannot tell you, because a facility that sells training has an obvious incentive to oversell research like this.

• It is observational. People were not assigned to activity patterns. People who do four kinds of exercise are different from people who do one in ways no statistical model fully captures. Association is not proof.
• Activity was self-reported, every two years, from memory. That is the best tool available at this scale and it is still imprecise.
• The cohort was mostly white health professionals. Nurses, doctors, dentists. Better health literacy and access than the general population.
• The rankings are cohort-specific. Watts and colleagues, looking at 272,550 older adults in JAMA Network Open in 2022, found racket sports and running near the top. Oja and colleagues, in 80,306 British adults in the British Journal of Sports Medicine in 2017, found swimming, racket sports and aerobics strongly protective. Different cohorts, different measurement, different order. Treat any ranked list of "best exercises" with that in mind, including ours.

What survives all of that is the variety signal, because it was measured within the study at matched volume rather than across studies. That is the finding we would actually change a program over.

The Part Nobody Puts on a Graphic: Most of Your Burn Is Not Your Workout

Here is where this connects to the other half of how we work with clients.

Your total daily energy expenditure, TDEE, has four components:

• Resting metabolic rate. What you burn existing. The largest single share for nearly everyone.
• The thermic effect of food. The energy used digesting what you eat, roughly a tenth of intake.
• Exercise activity. Your deliberate training.
• NEAT. Non-exercise activity thermogenesis. Everything else you do with your body.

NEAT is walking from the far parking spot, taking the stairs, standing during a call, carrying a toddler through Costco, pacing while you think. For an adult who trains three or four hours a week, NEAT happens across the other hundred-odd waking hours, and it adds up to considerably more than the training does. It also varies dramatically from person to person, which is a large part of why two people eating the same food get different results and conclude one of them has a broken metabolism.

This is also why we test rather than estimate. Online TDEE calculators predict your resting metabolic rate from height, weight, age and sex, and for any individual that prediction can be well off. A DEXA body composition scan tells you what you are actually made of, and a resting metabolic rate test measures the biggest slice of your TDEE directly instead of guessing at it. Working from a measured number instead of a formula is the difference between a nutrition plan built for you and one built for a statistical average of you.

Our Four Principles, and How We Build Them

None of this is new to how we coach. The study gave us a cleaner way to explain it.

1. Movement is the floor, not the ceiling

Daily walking is the base of the portfolio. It is the activity with the strongest individual association in this dataset, it drives NEAT, and it is the one you will still be doing in twenty years. We would rather a client walk every day and lift twice a week than crush four brutal sessions and sit the rest of the time.

2. Strength training is the piece nothing else replaces

At 13% it sits mid-table in the rankings, and that undersells it. Walking does not defend the muscle you lose with age, and it does not load the spine and hip the way resistance training does. Our coached adult strength training in Tigard runs two to three sessions a week, with loads that are genuinely hard in the last few repetitions and progression written down. If a client can only protect one thing on the calendar, this is it.

3. Know your numbers instead of estimating them

Body composition, resting metabolic rate, and VO2 max, which remains one of the strongest single predictors of long-term health we can measure in a facility. Everything downstream, from how much you eat to how hard your conditioning should be, gets more accurate when it starts from measured numbers.

4. Build the week so you still want it in February

The fourth modality in the portfolio should be the one you look forward to. Pickleball at the Tigard rec center, a Saturday hike, a rec league, the Portland half. It does not need to be optimized. It needs 20 minutes a week and an actual appetite for it.

A Week That Fits the Evidence

This is a starting template, not a prescription. The right version for you depends on your history, your joints and what you will actually do.

If something hurts when you try to add a modality, that is a reason to get it looked at rather than a reason to quit the modality. Our physical therapy team works in the same building as the coaches, which means the handoff from rehabilitation back to training happens without you starting over somewhere new.

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