Treadmills can be as basic as a motorized tread, or they can come with many features. A standard in most, the incline feature gives the user a way to make the workout harder and more intense. According to "NSCA's Essentials of Personal Training," the primary muscles used to walk or run on a treadmill are the quadriceps, hamstrings (thigh muscles), gluteals (buttocks) and the calf muscles--tibialis anterior, gastrocnemius and soleus. When on an incline, the hamstrings, gluteals and calf muscles are even more involved.
ProForm 590T Treadmill
The ProForm 590T Treadmill costs $599, as of 2010. It has a 2.25 horsepower motor and a 300-lb. weight limit. The ProForm 590T reaches a speed of 10 miles per hour and an incline of 10 degrees.
NordicTrack T5 Zi Treadmill
The NordicTrack T5 Zi Treadmill costs $649, as of 2010. It has a 2.8 horsepower motor and a 325-lb. weight limit. The NordicTrack T5 Zi reaches a speed of 10 miles per hour and an incline of 10 degrees.
ProForm 790T Treadmill
The ProForm 790T Treadmill costs $699, as of 2010. It has a 2.5 horsepower motor and a 325-lb. weight limit. The ProForm 790T reaches a speed of 12 miles per hour and an incline of 12 degrees.
NordicTrack A2550 PRO Treadmill
The NordicTrack A2550 PRO Treadmill costs $799, as of 2010. It has a 2.5 horsepower motor and a 350-lb. weight limit. The NordicTrack A2550 PRO reaches a speed of 12 miles per hour and an incline of 10 degrees.
Reebok Vista 8500 Treadmill
The Reebok Vista 8500 Treadmill costs $999, as of 2010. It has a 2.25 horsepower motor and a 350-lb. weight limit. The Reebok Vista 8500 reaches a speed of 12 miles per hour and an incline of 12 percent.
Smooth 5.65 Treadmill
The Smooth 5.65 Treadmill costs $999, as of 2010. It has a 2.5 horsepower motor and a 275-lb. weight limit. The Smooth 5.65 reaches a speed of 10 miles per hour and an incline of 15 percent.
References
- "NSCA's Essentials of Personal Training"; Roger W. Earle and Thomas R. Baechle; 2004
- Treadmill Adviser: Treadmill Ratings
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