| WORKLOAD COMPARISON BETWEEN HIKING AND INDOOR PHYSICAL ACTIVITY. | |
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MedLine Citation:
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PMID: 22158090 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Walking is a physical activity able to maintain and improve aerobic fitness. This activity can easily be performed in every season both outdoors and indoors but when it is performed in its natural environment the use of specific equipment is required. In particular, it has been demonstrated that the use of trekking boots induces a larger workload than those used indoors. Since an adequate fitness level is needed to practice hiking in safety, it is useful to know the energy demand of such an activity. This research aims at defining the metabolic engagement of hiking on natural paths with specific equipment at several speeds and comparing this with indoor ones (on treadmill). This can thence be used to define the load that better reflects the one required to walk on natural paths. The walking energy cost (J·kg·m) at several speeds (0.28, 0.56, 0.84, 1.11 and 1.39 m·s) - on level natural terrain wearing suitable footwear (Trekking Boots) and on a treadmill at various raising slopes (0, 1, 2, 3, 4%) wearing running shoes - was measured in fourteen healthy young males (age 23.9 (±2.9) years, stature 1.75 (±0.04) m and body mass 72.9 (±6.3) kg). A physiological evaluation of all subjects was performed prior to energy cost measurements. The results showed that outdoors, the oxygen uptake was consistently less than the ventilatory threshold at all speeds tested and that a 3% slope on the treadmill best reflects the outdoor walking energy expenditure. These findings will prove useful to plan proper training for hiking activity or mixed (outdoors and indoors) training program. |
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Authors:
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Luigi Fattorini; Giancarlo Pittiglio; Bruno Federico; Anastasia Pallicca; Marco Bernardi; Angelo Rodio |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-08 |
Journal Detail:
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Title: Journal of strength and conditioning research / National Strength & Conditioning Association Volume: - ISSN: 1533-4287 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9415084 Medline TA: J Strength Cond Res Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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1Department of Physiology and Pharmacology "V. Ersparmer", "Sapienza" University of Roma, Roma, Italy, 2 Department of Sport and Health Sciences, University of Cassino, Cassino, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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