Premium
Food intake, appetite, gut hormones, and resting energy expenditure in resistance trained vs. sedentary older adults
Author(s) -
Apolzan John W,
Leidy Heather J,
Mattes Richard D,
Campbell Wayne W
Publication year - 2009
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.23.1_supplement.545.15
Subject(s) - appetite , sed , ghrelin , medicine , endocrinology , peptide yy , cholecystokinin , hormone , area under the curve , glucagon like peptide 1 , energy expenditure , obesity , neuropeptide , diabetes mellitus , type 2 diabetes , receptor , neuropeptide y receptor
Objective To assess the effects of chronic resistance training (RT) on food intake, appetite, fasting gut hormones, and energy expenditure (EE) in 16 RT and 35 sedentary (Sed) older persons (62‐84 y). Methods Free‐living energy intake and appetite sensations (hunger, fullness and desire to eat) were assessed on 3 days (2 weekdays, 1 weekend day) and fasting‐state resting EE, plasma glucose and gut hormones (Cholecystokinin, CCK; glucagon‐like peptide‐1, GLP‐1; insulin; ghrelin) were measured. Results Maximum strength was higher for RT (8.3 ± 0.3) vs. Sed [6.9 ± 0.2 kg/kg fat free mass (*, p<0.05); mean ± SE]. RT did not affect total energy (RT 2079 ± 79 vs. Sed 1995 ± 66 kcal/d), protein, carbohydrate and fat intakes. Hunger and desire to eat area under the curve (AUC) values were not different between groups. Fullness AUC was lower in RT (0.4 ± 0.2) vs. Sed (0.9 ± 0.3* AU·720 min). EE was not different between groups, and respiratory exchange ratio tended to be lower in the RT (0.87 ± 0.00) vs. Sed (0.89 ± 0.01, p=0.06). CCK was higher in RT (0.71 ± 0.38) vs. Sed (0.51 ± 0.05* ng/mL), and GLP‐1 was lower in RT (0.31 ± 0.32) vs. Sed (1.45 ± 0.19* ng/mL). RT did not affect glucose, insulin, and ghrelin. Conclusions RT alters fasting concentrations of CCK and GLP‐1. However, despite the isolated differences in appetitive sensations and gut hormones, RT did not influence EI. Grant Funding Source NIH R01 AG021911 , Purdue Bilsland Fellowship