الفهرس 
Bone metabolism in elderlyOnly 14 pages are availabe for public view
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Abstract
Physical exercise is known to have beneficial effects as regarding health particularly in older adults including improvements in blood pressure, diabetes, lipid profile, osteoarthritis, osteoporosis, and neurocognitive function. Regular physical exercise is associated with decreased mortality and age-related morbidity in older adults
Few reports are available concerning the effects of physical exercise on bone markers in a healthy aged population, even though the data obtained from bone marker based investigating methods would provide useful information for the design of therapeutic programs to improve bone health.
The current study was carried out to assess the effect of strenuous exercise on bone metabolism in elderly individuals.
All participants included in the study were attending outpatient clinics in Ain shams University hospital.
All participants were subjected to full history taking, clinical examination, Electrocardiogram, Physical activity questionnaire specifically adapted for the elderly and laboratory investigations: serum parathyroid hormone (PTH), serum alkaline phosphatase (ALP), serum ionized calcium and urinary calcium before and immediately after strenuous exercise.
The current study showed that a single session of strenuous exercise induced a significant variation in the parameters of calcium homeostasis. As serum PTH, serum ALP and urinary Ca were significantly elevated in relation to the performed exercise while serum ionized Ca was significantly reduced in relation to the performed exercise.
Current study showed that factors that have significant effect on outcome are gender of the participants with more elevation in PTH in relation to exercise in males, basal level of physical activity also showed negative correlation with the change in urinary Ca in response to strenuous exercise. In addition, age of the participants showed significant effect as decrease in serum iCa in relation to exercise was more significant with advancing age.