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Home/Daniel Nyiri

Daniel Nyiri

Daniel Nyiri, Owner of 4U Fitness, is a personal trainer, coach, model, and actor.

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4U Fitness E-fit Control Panel|Erin Stern with 4U Fitness EMS|David Nyiri monitors figure competitor Erin Stern on the 4U Fitness EMS.|Daniel Nyiri exercises while wearing the full-body EMS while 2 X Miss Olympia Erin Stern monitors the E-1250 control panel.

Full-Body EMS Training and the Benefits of E-Fit

By Daniel Nyiri

We help coaches improve the performance of their athletes.

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