Lack of correlation between 6-month fluctuations in habitual physical activity and testosterone: Concentrations in elderly subjects

To examine the influence of long-term modifications in habitual physical activity (PA) on resting total testosterone (TT) concentrations in a group of healthy elderly subjects. 6-month prospective study. University research departments of exercise physiology and geriatric medicine. thirty-one indepe...

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Bibliographic Details
Published in:Journal of sports medicine and physical fitness 2001-03, Vol.41 (1), p.78-82
Main Authors: BONNEFOY, M, KOSTKA, T, PATRICOT, M. C, BERTHOUZE, S. E, LACOUR, J.-R
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Analysis of Variance
Anthropometry
Biological and medical sciences
Body Composition
Correlational studies
Energy Metabolism
Exercise
Female
Fundamental and applied biological sciences. Psychology
Humans
Male
Muscular Strength
Physical Fitness - physiology
Prospective Studies
Statistics as Topic
Statistics, Nonparametric
Surveys and Questionnaires
Testosterone - blood
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Summary:To examine the influence of long-term modifications in habitual physical activity (PA) on resting total testosterone (TT) concentrations in a group of healthy elderly subjects. 6-month prospective study. University research departments of exercise physiology and geriatric medicine. thirty-one independent, community dwelling elderly subjects (16 men and 15 women) aged > 65 who volunteered to participate. correlational study. PA was evaluated by a questionnaire QAPSE (Questionnaire d Activité Physique Saint-Etienne) and expressed by two activity indices: mean habitual daily energy expenditure (MHDEE) and daily energy expenditure corresponding to leisure time sports activities (Sports activity index). Changes in resting TT concentrations were not related to changes in MHDEE (r = -0.28; p = 0.30 and r = -0.001; p=0.99) and Sports activity (r = -0.30; p = 0.26 and r = -0.05; p = 0.85) in men and women, respectively. Similarly, relative (%) changes in TT were not related to relative changes in MHDEE (r = -0.16; p=0.55 and r = 0.17; p=0.55) and Sports activity (r = -0.11; p=0.68 and r = 0.02; p = 0.92). The levels of habitual PA undertaken by an average senior do not appear to affect TT levels in healthy active elderly men and women.
ISSN:0022-4707
1827-1928