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The association between whey protein, regional fat mass, and strength in resistance-trained men: a cross-sectional study

2019-01Journal article Restricted access
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dc.contributor.authorBatista, Ana
dc.contributor.authorMonteiro, Cristina P.
dc.contributor.authorBorrego, Rute
dc.contributor.authorMatias, Catarina N.
dc.contributor.authorTeixeira, Filipe J.
dc.contributor.authorValamatos, Maria J.
dc.contributor.authorOliveira, Ana C.
dc.contributor.authorReis, Joana F.
dc.contributor.authorMendes, Lino
dc.contributor.authorSardinha, Luís B.
dc.date.accessioned2018-12-30T01:08:12Z
dc.date.available2018-12-30T01:08:12Z
dc.date.issued2019-01
dc.description.abstractThe purpose of this study was to evaluate the association between whey protein supplementation, body composition and muscle strength, in resistance-trained individuals. Forty-nine healthy males, aged 18 to 35 years that were engaged in resistance training for at least one year, were assigned into two groups according to whey protein intake (Whey: n=26, 30.7 ± 7.4 yr, 75.8 ± 9.0 kg; WithoutWhey: n=23, 31.0 ± 7.4 yr, 77.9 ± 9.3 kg). Using a cross-sectional design, a morning assessment of body fat mass (FM) (by dual energy X-ray absorptiometry) and strength (using 1RM for bench press and back squat) was performed. Nutritional assessment was performed by 3-day food records. Regarding nutritional habits, differences between total energy intake (kcal) and estimated energy requirements (kcal) were observed. Results, from both raw data or controlling for energy intake, estimated energy requirements or achieved percentage of energy requirements, showed that whey protein supplementation was inversely correlated with whole-body FM (R=-0.367 (p=0.010); R=-0.317 (p=0.049); R=-0.380 (p=0.011); R=-0.321 (p=0.047), respectively), trunk FM (R=-0.396 (p=0.005), R=-0.367 (p=0.022), R=-0.423 (p=0.004), R=-0.369 (p=0.021), respectively) and android FM (R=-0.381 (p=0.007), R=-0.332 (p=0.039), R=-0.383 (p=0.010), R=-0.336 (p=0.036), respectively). No correlations were found between muscle strength outcomes and whey protein supplementation. The present data suggests that whey protein ingestion has a positive association with whole-body and regional (trunk and android) FM.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBatista A, Monteiro CP, Borrego R, Matias CN, Teixeira FJ, Mendes L, et al. The association between whey protein, regional fat mass and strength in resistance-trained men: a cross-sectional study. Appl Physiol Nutr Metab. 2019;44(1):7-12.pt_PT
dc.identifier.doi10.1139/apnm-2018-0143pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.21/9224
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherNRC Research Presspt_PT
dc.relation.publisherversionhttp://www.nrcresearchpress.com/doi/10.1139/apnm-2018-0143#.XEG1LlX7SM9pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectNutritionpt_PT
dc.subjectProtein supplementpt_PT
dc.subjectFat losspt_PT
dc.subjectPerformancept_PT
dc.titleThe association between whey protein, regional fat mass, and strength in resistance-trained men: a cross-sectional studypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage6pt_PT
oaire.citation.endPage12pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.startPage7pt_PT
oaire.citation.titleApplied Physiology, Nutrition, and Metabolismpt_PT
oaire.citation.volume44pt_PT
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT

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