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Two-way resistance · Active product

IsoTone

ProductActive

A compact push–pull resistance device designed for strength, mobility, recovery and active living.

The question

Can one small device make every direction of movement do useful work?

The work

IsoTone grew from a simple mechanical observation: most exercise tools resist only part of a movement. Its continuous two-way resistance makes both the push and the pull active.

The wider project includes the device, exercise systems, physical-therapy applications, guides, experiments, manufacturing, and an expanding collection of podcasts and papers.