But new research shows activity monitors such as Fitbits be over estimating the number of steps a user takes with up to 25 percent.
In the tests detected some gadgets "movement" when volunteers sat at a desk typing or standing still wash or stacking books.
The gadget contains a small device called an accelerometer to detect movement, with the number of steps is often based on census arm movements back and forth, which can be misleading.
Results from the National University of Ireland Galway suggested some users who believe they have been tortured for up to 10,000 steps recommended today – roughly five miles – can really have reached only 7,500.
The researchers filmed 37 men and women and the reading of five different devices as compared with the actual activity is created.
The results, published in the Public Library of Science Journal PLOS one, £ 20 jaw appears device detected false positives-count steps when there isn't — up to 25 percent of the time and Fitbit £ 70 one around ten percent of the time.
They noted: «All Monitors listed a number of false positives.»
Fitness sales Tracker has exploded in recent years. United Kingdom consumer buying 2015, an estimated 3 million screens and fancy watches – more than double the previous year.
Professor Ian Swaine, head of sport at the University of Greenwich, said that although the technology improvement, fitness
Tracker only once can give you an estimate.
But he added that they were still encouraging exercise.
Fitbit track ' words are not meant to be scientific or medical device but the screen ' total health and fitness trends to help users to get in shape.
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