Different patterns of brisk walking are equally effective in decreasing postprandial lipaemia.

2.50
Hdl Handle:
http://hdl.handle.net/2436/82894
Title:
Different patterns of brisk walking are equally effective in decreasing postprandial lipaemia.
Authors:
Murphy, Marie H.; Nevill, Alan M.; Hardman, Adrianne E.
Abstract:
OBJECTIVE: To compare the effects of different patterns of brisk walking on day-long plasma triacylglycerol concentrations in sedentary adults. DESIGN: A three-trial, repeated measures design in which subjects were studied in the fasted state and throughout a day during which they consumed three standardized, mixed meals. On different occasions, subjects undertook no exercise (control), walked briskly for 10 min before each meal (short walks) or walked briskly for 30min before breakfast (long walk). SUBJECTS: Seven postmenopausal sedentary women and three sedentary men aged between 34 and 66y, with body mass index between 24 and 35 kg/m2. MEASUREMENTS: Plasma concentrations of triacylglycerol, non-esterified fatty acids, glucose and insulin, metabolic rate and whole-body substrate oxidation in the fasted state and at hourly intervals for 3 h after each meal. RESULTS: Postprandial plasma triacylglycerol concentrations were lower (P= 0.009) during the walking trials than during the control trial (average values: control 2.08 +/- 0.28 mmol/l; short walks 1.83 +/- 0.22mmol/l; long walk 1.84 +/- 0.22mmol/l (mean+/-s.e.) but did not differ between the two patterns of walking. The difference between control and walking trials increased as successive meals were consumed (interaction of trial x meal P= 0.03). Plasma triacylglycerol concentration increased during the 3 h after breakfast, changed little after lunch and decreased after the evening meal (interaction of meal x time P=0.001). When both walking trials were treated as one condition, walking increased postprandial fat oxidation (average values: control, 0.066 +/- 0.009 g/min;walking 0.074 +/- 0.008 g/min; P < 0.01). CONCLUSIONS: Thirty minutes of brisk walking, undertaken in one session or accumulated throughout a day, reduces postprandial plasma triacylglycerol concentrations and increases fat oxidation.
Citation:
International Journal of Obesity and Related Metabolic Disorders, 24(10): 1303-1309
Publisher:
MCB University Press (Emerald)
Journal:
International Journal of Obesity and Related Metabolic Disorders
Issue Date:
2000
URI:
http://hdl.handle.net/2436/82894
PubMed ID:
11093292
Additional Links:
http://direct.bl.uk/bld/PlaceOrder.do?UIN=084606923&ETOC=RN&from=searchengine
Type:
Article
Language:
en
ISSN:
0307-0565
Appears in Collections:
Sport, Exercise and Health Research Group; Learning and Teaching in Sport, Exercise and Performance

Full metadata record

DC FieldValue Language
dc.contributor.authorMurphy, Marie H.en
dc.contributor.authorNevill, Alan M.en
dc.contributor.authorHardman, Adrianne E.en
dc.date.accessioned2009-09-28T20:54:19Z-
dc.date.available2009-09-28T20:54:19Z-
dc.date.issued2000-
dc.identifier.citationInternational Journal of Obesity and Related Metabolic Disorders, 24(10): 1303-1309en
dc.identifier.issn0307-0565-
dc.identifier.pmid11093292-
dc.identifier.urihttp://hdl.handle.net/2436/82894-
dc.description.abstractOBJECTIVE: To compare the effects of different patterns of brisk walking on day-long plasma triacylglycerol concentrations in sedentary adults. DESIGN: A three-trial, repeated measures design in which subjects were studied in the fasted state and throughout a day during which they consumed three standardized, mixed meals. On different occasions, subjects undertook no exercise (control), walked briskly for 10 min before each meal (short walks) or walked briskly for 30min before breakfast (long walk). SUBJECTS: Seven postmenopausal sedentary women and three sedentary men aged between 34 and 66y, with body mass index between 24 and 35 kg/m2. MEASUREMENTS: Plasma concentrations of triacylglycerol, non-esterified fatty acids, glucose and insulin, metabolic rate and whole-body substrate oxidation in the fasted state and at hourly intervals for 3 h after each meal. RESULTS: Postprandial plasma triacylglycerol concentrations were lower (P= 0.009) during the walking trials than during the control trial (average values: control 2.08 +/- 0.28 mmol/l; short walks 1.83 +/- 0.22mmol/l; long walk 1.84 +/- 0.22mmol/l (mean+/-s.e.) but did not differ between the two patterns of walking. The difference between control and walking trials increased as successive meals were consumed (interaction of trial x meal P= 0.03). Plasma triacylglycerol concentration increased during the 3 h after breakfast, changed little after lunch and decreased after the evening meal (interaction of meal x time P=0.001). When both walking trials were treated as one condition, walking increased postprandial fat oxidation (average values: control, 0.066 +/- 0.009 g/min;walking 0.074 +/- 0.008 g/min; P < 0.01). CONCLUSIONS: Thirty minutes of brisk walking, undertaken in one session or accumulated throughout a day, reduces postprandial plasma triacylglycerol concentrations and increases fat oxidation.en
dc.language.isoenen
dc.publisherMCB University Press (Emerald)en
dc.relation.urlhttp://direct.bl.uk/bld/PlaceOrder.do?UIN=084606923&ETOC=RN&from=searchengineen
dc.subjectSports Scienceen
dc.subjectLipaemiaen
dc.subjectSedentary adultsen
dc.subjectFitnessen
dc.subjectCardiovascular fitnessen
dc.subject.meshAdulten
dc.subject.meshAgeden
dc.subject.meshCardiovascular Diseasesen
dc.subject.meshCross-Over Studiesen
dc.subject.meshDieten
dc.subject.meshExerciseen
dc.subject.meshFemaleen
dc.subject.meshHumansen
dc.subject.meshMaleen
dc.subject.meshMiddle Ageden
dc.subject.meshOxygen Consumptionen
dc.subject.meshPostprandial Perioden
dc.subject.meshTime Factorsen
dc.subject.meshTriglyceridesen
dc.subject.meshWalkingen
dc.titleDifferent patterns of brisk walking are equally effective in decreasing postprandial lipaemia.en
dc.typeArticleen
dc.identifier.journalInternational Journal of Obesity and Related Metabolic Disordersen
All Items in WIRE are protected by copyright, with all rights reserved, unless otherwise indicated.