Energy cost and cardiovascular response to upper and lower limb rhythmic exercise with different equipments in normal-weight and severely obese individuals. (Articolo in rivista)

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  • Energy cost and cardiovascular response to upper and lower limb rhythmic exercise with different equipments in normal-weight and severely obese individuals. (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • Lafortuna C.L. 1, Chiavaroli S. 2, Rastelli F. 2, De Angelis M. 2, Agosti F. 3, Patrizi A. 3, Sartorio A. 3 (2011)
    Energy cost and cardiovascular response to upper and lower limb rhythmic exercise with different equipments in normal-weight and severely obese individuals.
    in Journal of endocrinological investigation (Testo stamp.)
    (literal)
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  • Lafortuna C.L. 1, Chiavaroli S. 2, Rastelli F. 2, De Angelis M. 2, Agosti F. 3, Patrizi A. 3, Sartorio A. 3 (literal)
Pagina inizio
  • 131 (literal)
Pagina fine
  • 139 (literal)
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  • 34 (literal)
Rivista
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  • Pubblicato on-line: 2 Settembre 2010. Corresponding author: C. Lafortuna (claudio.lafortuna@ibfm.cnr.it) IF 2010: 1.476 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • 1. IBFM-CNR, Segrate (MI). 2. Dipartimento di Scienze e Tecnologie Biomediche, Università degli Studi dell’Aquila, L’Aquila. 3. Istituto Auxologico Italiano, IRCCS, Laboratorio Sperimentale Ricerche Auxo-endocrinologiche, Milano e Verbania. (literal)
Titolo
  • Energy cost and cardiovascular response to upper and lower limb rhythmic exercise with different equipments in normal-weight and severely obese individuals. (literal)
Abstract
  • Aims: The purpose of the study was to assess energy expenditure and cardiovascular response to rhythmic activity with six machines exercising different arm and leg muscle groups in normal-weight (NW) and obese (OB) individuals. Methods: In 16 extremely OB subjects and 15 NW controls, oxygen uptake (VO2), heart rate (HR), blood lactate (LA) concentration and ratings of perceived exertion (RPE) were determined during submaximal rhythmic exercise at different intensities obtained by increasing the frequency of the movement (FOM) with each machine. Peak VO2 (VO2p) for each equipment was determined with incremental tests up to exhaustion, whereas maximal VO2 was estimated at cycle ergometer. Results: Net energy cost (Enet) of exercise increased (p<0.001) for effect of FOM, in both NW and OB with all equipments. Enet was higher in OB than NW during submaximal exercise with Chest/Back, Shoulder Press/Lat Pull and Leg Press. Higher VO2p were attained with lower limbs than with upper limbs, in both NW (p<0.001) and OB (p<0.001). At the same VO2 (relative to maximal), HR, LA and RPE were similar in NW and OB but higher during arm than leg activity (p<0.001), while at the same VO2 (relative to VO2p) no difference was detected. Conclusion: Enet of rhythmic exercise is higher in OB than NW with machines requiring wide displacement of large body segments. For both NW and OB, physiological responses and RPE are importantly affected by the relative activation of involved muscles. LA concentration is an important determinant of RPE, independent from the limb in activity. (literal)
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