Elliptical cross trainers offer a no impact workout that exercises numerous muscle groups. This is achieved through the dual action of cross trainer arms combined with the foot pedals. Motion studies have identified that human feet move through an elliptical pattern when walking, running or jogging. Fitness equipment that imitates this motion are the fastest growing category of cardiovascular equipment. Initially elliptical trainers offered only a lower body workout.

In 1997, elliptical cross trainers were developed by adding handles that were connected to the pedals thereby allowing the user to gain a no impact workout that utilizes the quadriceps, hamstrings, glutes, chest back, triceps and biceps. With this total body training, the heart rate climbs quickly, reducing the exercise time needed, and maximizing the number of calories burned. For overweight individuals who are initiating a regular exercise program to decrease excess body fat, the elliptical cross trainers optimize energy expenditure.

Elliptical Cross trainers are designed with a 3-1 ratio of lower body resistance to upper body resistance. This matches the body's normal ratio of muscle mass of upper to lower body. Over time, the user will fatigue equally with all four limbs, which is critical for longer fat burning workout programs. Contrast this to machines designed with equal resistance for upper and lower body. Over a 30 minute workout, your arms will feel strained while your legs are hardly noticing any work.

Elliptical cross trainers provide the following advantages:

• Time Efficiency - The dual action of arms and legs optimizes energy expenditure.
  Requires less time to achieve more results.
• Weight Bearing Exercise - Builds bone density and burns calories more efficiently.
  Inhibits the onset of osteoporosis.
• No Impact Workout - Safe for joints. Ideal workout for people with back, knee,
  hips and joint problems.
• Low Maintenance - Less impact means less wear and tear.
• Small Footprint - Does not take up valuable floor space.
• Passive Motion - Safe to use, Machine stops when you stop - not active like a treadmill.
  

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