Associations between body composition, physical capabilities and pulmonary function in healthy older adults

Background/Objectives: There are positive associations between pulmonary function (PF) and fat-free mass as well as muscle strength. Contrarily, negative associations were found with indirect measures of visceral adipose tissue (VAT). We aimed to differentiate between associations of body compositio...

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Bibliographic Details
Published in:European journal of clinical nutrition 2017-03, Vol.71 (3), p.389-394
Main Authors: Schweitzer, L, Geisler, C, Johannsen, M, Glüer, C-C, Müller, M J
Format: Article
Language:English
Subjects:
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Adipose tissue
Adipose Tissue - physiology
Aged
Aged, 80 and over
Analysis
Body Composition
Body fat
Body Mass Index
Body size
Clinical Nutrition
Cross-Sectional Studies
Dependent variables
Elderly
Epidemiology
Exercise
Fat-free body mass
Female
Forced Expiratory Volume
Gait
Geriatric Assessment
Hand Strength
Health aspects
Humans
Independent variables
Internal Medicine
Lung - physiology
Lungs
Magnetic resonance imaging
Male
Medicine
Medicine & Public Health
Metabolic Diseases
Muscle Strength
Muscle, Skeletal - physiology
Musculoskeletal system
Older people
original-article
Physical activity
Physical fitness
Public Health
Pulmonary function tests
Pulmonary functions
Respiratory function
Skeletal muscle
Spirometry
Standard error
Surveys and Questionnaires
Thorax
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Summary:Background/Objectives: There are positive associations between pulmonary function (PF) and fat-free mass as well as muscle strength. Contrarily, negative associations were found with indirect measures of visceral adipose tissue (VAT). We aimed to differentiate between associations of body composition and PF by assessing mediating and moderating effects of physical capabilities. Subjects/Methods: Cross-sectional data were assessed among 40 healthy, free-living elderly (20 males) aged 65.1–81.2 years (mean±s.d. age: 72.2±4.3 years; body mass index: 25.6±3.7 kg/m 2 ). Total and regional skeletal muscle (SM), and adipose tissue (AT) were measured using whole-body magnetic resonance imaging. Muscle strength by handgrip dynamometry, physical activity (PA) by questionnaire, and physical performance by gait speed and sit-to-stand test (STS). Forced vital capacity (FVC) and forced expiratory volume in 1 s (FEV 1 ) were assessed by spirometry. Results: Positive associations between height-standardized FVC (FVCI) as well as FEV 1 (FEVI), and SM ( r =0.435–0.520, P
ISSN:0954-3007
1476-5640
DOI:10.1038/ejcn.2016.146