Combination exercise machine features a stepper, elliptical, and runner for high-intensity workouts. The TRUE Spectrum Treadclimber accommodates every user for the most comprehensive full body workout possible. Exercise multiple muscle groups in a single routine using the quick keys, which allow for fast adjustments from stepping motions to full stride running motions. The ultimate cardio machine has undergone rigorous testing to ensure it fits the Spectrum standards of providing the best fitness equipment for over 34 years.