This cross trainer has been carefully engineered and tested for effectiveness and durability by some of the nation's leading trainers, doctors and athletes.Perfectly simulates the way nature intended your body to move, helps improve your balance, gives you a great cardiovascular workout, air cools your body for comfort, Enables you to monitor your progress,It is lightweight, compact, and wheels away easily.A Good Cardio WorkoutThis machine gives you a good cardio workout. High-Low Resistance settings for easy to harder workouts. The tension can be adjusted for this resistance via the adjustable tension knob. The arms move for an extra upper body workout, like a cross trainer. These can also be put in a fixed position. These can be easily switched between, dual action mode and fixed mode during your workout.This exercise bike(cross trainer) has Reversible movement also.Forward pedalling emphasizes your quadriceps muscles(front thighs). This is ideal for long or short workouts and is easy to use.