The Precor EFX 556 is currently the most popular new form of cardiovascular exercise in fitness facilities today, the unit features a no-impact, forward or reverse elliptical stride that lets you adjust ramp and resistance for cross training benefits. The unit allows you to stride smoothly while holding the handrails or moving your arms in natural sync, with or without hand weights and it provides excellent aerobic conditioning, muscle involvement, range of motion and lower rates of perceived exertion than on traditional exercise machines.

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