Advancing the science of longevity

ARX machines are used in a $101M XPRIZE study to reverse biological aging.

Scientists competing for the largest prize in longevity chose adaptive resistance — the category ARX pioneered and has spent 15 years perfecting — to rebuild strength in older adults.

The study, in plain terms

The biggest prize in longevity science runs its strength training on adaptive resistance.

The competitionXPRIZE Healthspan — a $101M global competition to restore muscle, cognitive, and immune function lost to aging.
The training armASU Team Healthspan describes it as “AI-driven, adaptive resistance training, designed to maximize functional gains in minimal time.” ARX machines are used in that arm.
What it provesWhen the stakes are $101M and the subjects are older adults, researchers picked the machine that is maximally effective and cannot out-load the person on it — the same machine in every ARX studio and home.
The research library

Every study, in one place.

Independent, published, and ongoing research on Adaptive Resistance Exercise™.

XPRIZE Healthspan — ASU Team Healthspan
Ongoing · $101M competition
ARX machines power the exercise arm targeting strength, VO₂ max, and function in adults 55+.
The ACE-commissioned head-to-head study
Western Colorado University · 2021 · PDF
12 weeks vs. traditional weights: 2× the muscle, 90% greater strength, 2.5× the fat loss — in 72% less training time.
The published paper
International Journal of Research in Exercise Physiology · 2021 · PDF
The peer-reviewed publication of the head-to-head results.
Adaptive resistance in the literature
Sports Medicine · 2023 · peer-reviewed
Peer-reviewed coverage of adaptive resistance technology in one of the field’s leading journals.
For studios, gyms & clinics

Leading longevity research runs on the category of equipment you can put on your floor — measured, time-efficient, safe for 55+ members.

ARX for business →
For your home & healthspan

The biomarkers this study tracks — strength, VO₂ max, function — are the ones you can train at home in two 15-minute sessions a week.

ARX for your home →

Straight answers

Are ARX machines really used in the XPRIZE Healthspan study?

Yes. The training arm of the ASU Team Healthspan study runs on adaptive resistance training, and ARX machines are used in that arm.

Has the study shown results?

Not yet — the study is currently underway. Once results are published, they’ll be listed here.

What is adaptive resistance?

Motorized, computer-controlled resistance that matches your exact force on every inch of every rep — no weights, no momentum, measured precisely. How it works →

Get the research brief

The ACE study results in one PDF — plus future research updates from ARX.