Comparative effect of a 1 h session of electrical muscle stimulation and walking activity on energy expenditure and substrate oxidation in obese subjects

DC FieldValueLanguage
dc.contributor.authorGrosset, Jean-François-
dc.contributor.authorCrowe, Louis-
dc.contributor.authorDe Vito, Giuseppe-
dc.contributor.authorO'Shea, Donal-
dc.contributor.authorCaulfield, Brian-
dc.date.accessioned2015-04-09T16:48:59Z-
dc.date.available2015-04-09T16:48:59Z-
dc.date.copyright2013 NRC Research Pressen
dc.date.issued2013-
dc.identifier.citationApplied Physiology, Nutrition and Metabolismen
dc.identifier.urihttp://hdl.handle.net/10197/6463-
dc.description.abstractIt has previously been shown that low-frequency neuromuscular electrical stimulation (NMES) techniques can induce increases in energy expenditure similar to those associated with exercise. This study investigated the metabolic and cardiovascular effects of a 1 h session of lower limb NMES and compared cardiovascular response with that observed during walking in nine obese subjects (three males) (age = 43.8 ± 3.0 years; body mass index (BMI) = 41.5 ± 1.8 kg/m2). The NMES protocol consisted of delivering a complex pulse pattern to the thigh muscles for 1 h. The walking test consisted of five 4-min bouts starting at 2 km/h with 1 km/h increments up to 6 km/h. In both tests, an open-circuit gas analyser was used to assess O2 consumption (O2), CO2 production (CO2), respiratory exchange ratio (RER), and heart rate (HR). Rates of fat oxidation (RFO) and carbohydrate oxidation (CHO) were estimated by indirect calorimetry. One hour of NMES significantly increased O2, HR, RER, and mean energy expenditure compared with resting values, reaching 8.7 ± 1.3 mL·min−2·kg−1 (47% of O2peak), 114.8 ± 7.5 bpm, 0.95, and 318.5 ± 64.3 kcal/h, respectively. CHO, but not RFO, increased during 1 h of NMES. With NMES, CHO was greater and RFO was less than at all walking speeds except 6 km/h. Lactate also increased more with NMES, to 3.5 ± 0.7 mmol versus a maximum of 1.5 ± 0.3 mmol with the walking protocol. These results suggest that NMES can be used in an obese population to induce an effective cardiovascular exercise response. In fact, the observed increase in energy expenditure induced by 1 h of NMES is clinically important and comparable with that recommended in weight management programs.en
dc.description.sponsorshipEnterprise Irelanden
dc.language.isoenen
dc.publisherNRC Research Pressen
dc.rights© Canadian Science Publishing or its licensorsen
dc.subjectObesityen
dc.subjectPersonal sensingen
dc.subjectNeuromuscular electrical stimulationen
dc.subjectOxygen consumptionen
dc.subjectEnergy expenditureen
dc.subjectSubstrate oxidationen
dc.titleComparative effect of a 1 h session of electrical muscle stimulation and walking activity on energy expenditure and substrate oxidation in obese subjectsen
dc.typeJournal Articleen
dc.internal.availabilityFull text availableen
dc.statusPeer revieweden
dc.identifier.volume38en
dc.identifier.issue999en
dc.identifier.startpage57en
dc.identifier.endpage65en
dc.identifier.doi10.1139/apnm-2011-0367-
dc.neeo.contributorGrosset|Jean-François|aut|-
dc.neeo.contributorCrowe|Louis|aut|-
dc.neeo.contributorDe Vito|Giuseppe|aut|-
dc.neeo.contributorO'Shea|Donal|aut|-
dc.neeo.contributorCaulfield|Brian|aut|-
dc.description.othersponsorshipBioMedical Research Ltden
dc.date.updated2015-03-05T11:38:59Z-
item.grantfulltextopen-
item.fulltextWith Fulltext-
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Public Health, Physiotherapy and Sports Science Research Collection
Insight Research Collection
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