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[–] derram ago 

https://archive.is/0kieZ | :

For Exercise, Nothing Like the Great Outdoors - The New York Times

'Although the altitude gains during the indoor and outdoor walking had been comparable, people’s heart rates had risen higher during the mountain hike. '

'Then they walked in groups of three or four along a popular mountain trail that climbs sinuously and persistently. '

'Long, brisk walks might turn out to be more appealing, he says. '

'On a separate day, each volunteer completed virtually the same workout on a treadmill at a gym in Innsbruck. '

'One of these involved hiking in the mountains above the town of Innsbruck with a guide. '

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