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Le refuge ^_^ Index du Forum L'atelier DOES A FITNESS SMART WATCH WORK WELL FOR WHEELCHAIR USERS?
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Lun Juin 01, 2020 4:06
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crisslyn
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Sujet du message:  DOES A FITNESS SMART WATCH WORK WELL FOR WHEELCHAIR USERS? Répondre en citant

Physical exercises physiologists tested iWatch and found that accuracy depends on the level of intensity.

Fitness trackers are becoming more and more popular, as everyone has become interested in counting how many steps they took daily and how many calories they burned. But do they work just as well for people who use wheelchairs for mobility?


It is this question that researchers from the School of Physical Exercise and Dietetics at San Diego State University set out to answer by comparing devices with laboratory equipment designed to measure accurate caloric expenditures.

Exercise physiologist and associate professor Jochen Kresler and graduate student Daniel Moreno studied 15 non-disabled people and 15 wheelchair users who performed similar exercises on treadmills for wheelchairs called roller systems.


“Adaptive fitness is a workout for people with special needs, and they, like everyone else, are interested in knowing how many calories they burn,” said Kresler. “In the laboratory, we measure respiratory gas consumption to give an accurate calorie count with a portable metabolic trolley, but it’s much easier to use fitness trackers, so we wanted to see if they provide an accurate measurement.”

He and Moreno found that at higher intensity levels — an increased number of strokes for a wheelchair — the iWatch metabolic response measurements were more accurate, but the measurements were turned off at lower intensity levels.

Conclusion: trackers are not well suited for wheelchair treadmills or hand cycles.

Please Note: A Call for the Poor and Disabled to Get NHS Fitness Trackers

A self-funded study was published in the International Journal of Sports Medicine in March.

Kresler noted that trackers count down “steps,” even if the user simply shakes one of them with his hand. “So, trackers do not count actual steps or hits, but actually measure acceleration in all three planes - up and down, forward and backward, from side to side.”

The metabolic response - which is Kresler's area of ​​specialization - measures oxygen consumption and carbon dioxide emissions during respiration, which is then used to calculate caloric expenditures. This can help people decide how to change what they eat and how they exercise. Along with iWatch, the trial participants wore a mask connected to a gas analyzer attached to the chest, wirelessly connected to a computer that analyzes the measurements.


Kresler and Moreno watched the two groups and found that there was no significant difference in how the smartwatch measured calories burned for sets of 30, 45, and 60 counts, so the results were combined for both groups.

The tracker underestimated the calories burned on the treadmill, but overestimated the calories burned on the arm cycle by an average of two to five kilocalories (kcal) in three minutes. Extrapolated for an hour of activity, which translates to a tracker underestimating about 40 to 100 calories per hour for a treadmill and about 20 to 60 calories for a crank cycle.

It all comes down to how important these measurements are for each user.

“I would not use it in the laboratory, but everyone has to decide for themselves,” said Kresler.

However, in order to get accurate measurements using the equipment he used, the only option currently is to go to health spas or physical physiology laboratories. Moving forward, he plans for people to wear the next generation iWatch and take care of their usual day so that he can watch them in the field, not in the lab.
   
 
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Mer Oct 21, 2020 4:07
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Sam Oct 24, 2020 14:22
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Ven Nov 11, 2022 8:13
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