Human beings are creatures of habit. Whether it's the ritual skim latte to start the day or the weekly devotion to "Will & Grace," people create routines that guarantee a series of small pleasures or comfort. Though routine can bring a sense of order to life in an increasingly chaotic world, it can be counterproductive when working out - following the same exercise regimen over and over not only gets boring, but can lead to exercise plateaus that can decrease your results.
"The human body is very good at adapting to the stresses it experiences," says Lisa Packheiser, a certified athletic trainer (A.C.T.) and a member of the Life Fitness Academy Training Network. "Performing the same activity repeatedly at the same level makes the body more efficient, which eventually results in lower caloric expenditure from the activity. In fact, research shows that by sticking to just one activity, the number of calories burned by exercisers may decrease as much as 25 percent."
For instance, if you normally exercise for 45 minutes four days a week on a treadmill with the same intensity and time for each workout, over time you will not benefit as much as you did when you began. Your body will become accustomed to the routine, and it can become increasingly difficult for you to meet your fitness goals. The repetitiveness also can be boring - even with music, TV or a magazine for distraction, the exercise might become mundane, which also can decrease the likelihood you'll continue working out.
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