Document Detail

Response of parathyroid hormone to anaerobic exercise in adolescent female athletes.
MedLine Citation:
PMID:  9583206     Owner:  NLM     Status:  MEDLINE    
It has been shown that moderate exercise suppresses parathyroid hormone (PTH) secretion, while strenuous exercise is apt to induce continuous secretion, which has a negative effect on bone mineral densities (BMD). The present study investigated a typical response of PTH to brief exercise. The study group comprised six adolescent female basketball players whose BMD were within normal limits. Maximal anaerobic power by three-step cycling was loaded on each subject. The first blood sample was drawn 30 min prior to testing test, the second was immediately following, the third was 15 min after, and the fourth was 30 min after. The proportional change in plasma volume was -11.5% immediately following (P < 0.05), +2.1% 15 min after, and +5.5% at 30 min after exercise (P < 0.05). The expected value was calculated on the assumption of no effect, except changes in plasma volume, by exercise. The measured values of PTH and calcium (Ca) immediately after exercise were lower than each of the expected values (P < 0.05 for both). At 15 min after, there was no significant difference between expected and measured values of PTH, Ca and magnesium (Mg), respectively. At 30 min after, the measured value of Ca and Mg was higher than each expected value (P < 0.05 for both). It was concluded that PTH secretion is suppressed transiently immediately after maximal anaerobic exercise and is then stimulated during the recovery time in normal BMD subjects.
H Takada; K Washino; M Nagashima; H Iwata
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta paediatrica Japonica; Overseas edition     Volume:  40     ISSN:  0374-5600     ISO Abbreviation:  Acta Paediatr Jpn     Publication Date:  1998 Feb 
Date Detail:
Created Date:  1998-05-28     Completed Date:  1998-05-28     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0370357     Medline TA:  Acta Paediatr Jpn     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  73-7     Citation Subset:  IM; S    
Department of Hygiene, Gifu University School of Medicine, Japan.
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MeSH Terms
Bone Density
Exercise / physiology*
Exercise Test
Parathyroid Hormone / blood*
Reg. No./Substance:
0/Parathyroid Hormone

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