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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People

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Body composition and pulmonary function in the elderly: a 7-year longitudinal study.

A Rossi¹, F Fantin, V Di Francesco

¹Division of Geriatrics, University of Verona, Verona, Italy.

International Journal of Obesity (2005)

|July 23, 2008

Summary

This summary is machine-generated.

In older adults, increased abdominal fat and loss of fat-free mass (FFM) significantly predict declines in pulmonary function. Elderly individuals experiencing both abdominal fat gain and FFM loss are most likely to see worsening lung function.

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Area of Science:

Gerontology
Pulmonology
Body Composition Research

Background:

Aging is associated with changes in body composition and potential declines in pulmonary function.
Understanding the interplay between body composition, fat distribution, and lung function in the elderly is crucial for health management.

Purpose of the Study:

To investigate the 7-year longitudinal relationships between changes in body composition, abdominal fat distribution, and pulmonary function in elderly men and women.

Main Methods:

A longitudinal clinical study followed 77 elderly individuals (47 women, 30 men) for 7 years.
Measurements included body weight, waist circumference, sagittal abdominal diameter (SAD), fat-free mass (FFM) via DXA, and spirometry (FEV1, FVC).

Main Results:

Significant decreases in height and FFM were observed in both sexes over 7 years.
Height-adjusted FEV1 and FVC significantly declined in both men and women.
Increased SAD was a strong predictor of reduced FEV1 and FVC; a 1 cm SAD increase predicted a decrease of 31 ml in FEV1 and 46 ml in FVC.
A 1 kg FFM decrease predicted a 38 ml decrease in FVC.
Elderly individuals with decreased FFM and increased SAD showed the highest probability of lung function decline.

Conclusions:

Increases in abdominal fat and declines in FFM are significant predictors of pulmonary function decline in the elderly population.
Simultaneous abdominal fat gain and FFM loss in older adults are associated with the greatest risk of worsening lung function.