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Lower resting and total energy expenditure in postmenopausal compared with premenopausal women matched for abdominal obesity.

Hodson, L, Harnden, K, Banerjee, R, Real, B, Marinou, K, Karpe, F and Fielding, BA (2014) Lower resting and total energy expenditure in postmenopausal compared with premenopausal women matched for abdominal obesity. J Nutr Sci, 3.

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Abstract

The menopause is accompanied by increased risk of obesity, altered body fat distribution and decreased skeletal muscle mass. The resulting decrease in RMR should be accompanied by a compensatory change in energy balance to avoid weight gain. We aimed to investigate habitual energy intake and expenditure in pre- and postmenopausal women matched for abdominal obesity. We recruited fifty-one healthy Caucasian women, BMI > 18·5 and <35 kg/m(2), aged 35-45 years (premenopausal, n 26) and 55-65 years (postmenopausal, n 25). Energy intake was measured using 3 d diet diaries and dietary fat quality assessed using adipose tissue fatty acid biomarkers. RMR was measured using indirect calorimetry, and total energy expenditure (TEE) and activity energy expenditure using a combined accelerometer and heart rate monitor. Postmenopausal women had lower RMR and TEE and spent significantly less time undertaking moderate exercise than premenopausal women. Postmenopausal women had a tendency for a lower energy intake, and a similar macronutrient intake but a significantly lower adipose tissue n-6:n-3 ratio (24·6 (se 1·6) v. 37·7 (se 3·1); P < 0·001). The main lifestyle determinant of bone mineral density (which was significantly lower in postmenopausal women) was TEE for premenopausal women, and dietary n-6:n-3 ratio for postmenopausal women. The present results suggest that weight maintenance is achieved in the post- compared with premenopausal status through a combination of reduced energy intake and reduced TEE in a regimen that compromises micronutrient intake and has a negative impact on lean tissue mass. However, lower n-6:n-3 fatty acid intake in postmenopausal women is associated with greater bone mineral density.

Item Type: Article
Authors :
NameEmailORCID
Hodson, LUNSPECIFIEDUNSPECIFIED
Harnden, KUNSPECIFIEDUNSPECIFIED
Banerjee, RUNSPECIFIEDUNSPECIFIED
Real, BUNSPECIFIEDUNSPECIFIED
Marinou, KUNSPECIFIEDUNSPECIFIED
Karpe, FUNSPECIFIEDUNSPECIFIED
Fielding, BAb.fielding@surrey.ac.ukUNSPECIFIED
Date : 2014
Identification Number : https://doi.org/10.1017/jns.2013.38
Uncontrolled Keywords : AEE, activity energy expenditure, AT, adipose tissue, BMD, bone mineral density, Body composition, Bone health, Diet, FSH, follicle-stimulating hormone, Fatty acids, MET, metabolic equivalent, TEE, total energy expenditure
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:18
Last Modified : 17 May 2017 14:48
URI: http://epubs.surrey.ac.uk/id/eprint/827252

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