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Effect Of A 4-Week Weight Maintenance Diet On Circulating Hormone Levels: Implications For Clinical Weight Loss Trials, Amanda, I Evans, R Wood, R Seimon, N King, Nuala Byrne
Effect Of A 4-Week Weight Maintenance Diet On Circulating Hormone Levels: Implications For Clinical Weight Loss Trials, Amanda, I Evans, R Wood, R Seimon, N King, Nuala Byrne
Nuala Byrne
The majority of weight loss studies fail to standardize conditions such as diet and exercise via a weight maintenance period prior to commencement of the trial. This study aimed to determine whether a weight stabilization period is necessary to establish stable baseline hormone concentrations. Fifty-one obese male participants with a body mass index of 30–40 kg m?2 and aged 25–54 years underwent 4 weeks on an energy balance diet that was designed to achieve weight stability. Blood samples were collected in the fasting state at commencement and completion of the 4-week period, and circulating concentrations of 18 commonly measured hormones …
Effect Of 1-H Moderate-Intensity Aerobic Exercise On Intramyocellular Lipids In Obese Men Before And After A Lifestyle Intervention, Stephanie Ipavec-Levasseur, Ilaria Croci, Stephane Choquette, Nuala Byrne, Gary Cowin, Trisha O'Moore-Sullivan, Johannes Prins, Ingrid Hickman
Effect Of 1-H Moderate-Intensity Aerobic Exercise On Intramyocellular Lipids In Obese Men Before And After A Lifestyle Intervention, Stephanie Ipavec-Levasseur, Ilaria Croci, Stephane Choquette, Nuala Byrne, Gary Cowin, Trisha O'Moore-Sullivan, Johannes Prins, Ingrid Hickman
Nuala Byrne
Intramyocellular lipids (IMCL) are depleted in response to an acute bout of exercise in lean endurance-trained individuals; however, it is unclear whether changes in IMCL content are also seen in response to acute and chronic exercise in obese individuals. We used magnetic resonance spectroscopy in 18 obese men and 5 normal-weight controls to assess IMCL content before and after an hour of cycling at the intensity corresponding with each participant’s maximal whole-body rate of fat oxidation (Fatmax). Fatmax was determined via indirect calorimetry during a graded exercise test on a cycle ergometer. The same outcome measures were reassessed in the …