Serum hormones during prolonged training of neuromuscular performance
The effects of a 24-weeks' progressive training of neuromuscular performance capacity on maximal strength and on hormone balance were investigated periodically in 21 male subjects during the course of the training and during a subsequent detraining period of 12 weeks. Great increases in maximal...
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| Veröffentlicht in: | European Journal of Applied Physiology and Occupational Physiology 1985-02, Vol.53 (4), p.287-293 |
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| container_issue | 4 |
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| container_title | European Journal of Applied Physiology and Occupational Physiology |
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| creator | HAKKINEN, K PAKARINEN, A ALEN, M KOMI, P. V |
| description | The effects of a 24-weeks' progressive training of neuromuscular performance capacity on maximal strength and on hormone balance were investigated periodically in 21 male subjects during the course of the training and during a subsequent detraining period of 12 weeks. Great increases in maximal strength were noted during the first 20 weeks, followed by a plateau phase during the last 4 weeks of training. Testosterone/cortisol ratio increased during training. During the last 4 weeks of training changes in maximal strength correlated with the changes in testosterone/cortisol (P less than 0.01) and testosterone/SHBG (P less than 0.05) ratios. During detraining, correlative decreases were found between maximal strength and testosterone/cortisol ratio (P less than 0.05) as well as between the maximal strength and testosterone/SHBG ratio (P less than 0.05). No statistically significant changes were observed in the levels of serum estradiol, lutropin (LH), follitropin (FSH), prolactin, and somatotropin. The results suggest the importance of the balance between androgenic-anabolic activity and catabolizing effects of glucocorticoids during the course of vigorous strength training. |
| doi_str_mv | 10.1007/bf00422840 |
| format | Article |
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No statistically significant changes were observed in the levels of serum estradiol, lutropin (LH), follitropin (FSH), prolactin, and somatotropin. The results suggest the importance of the balance between androgenic-anabolic activity and catabolizing effects of glucocorticoids during the course of vigorous strength training.</description><identifier>ISSN: 0301-5548</identifier><identifier>ISSN: 1439-6319</identifier><identifier>EISSN: 1432-1025</identifier><identifier>EISSN: 1439-6327</identifier><identifier>DOI: 10.1007/bf00422840</identifier><identifier>PMID: 4039254</identifier><identifier>CODEN: EJAPCK</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Adult ; Applied physiology ; Biological and medical sciences ; Human physiology applied to population studies and life conditions. 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During detraining, correlative decreases were found between maximal strength and testosterone/cortisol ratio (P less than 0.05) as well as between the maximal strength and testosterone/SHBG ratio (P less than 0.05). No statistically significant changes were observed in the levels of serum estradiol, lutropin (LH), follitropin (FSH), prolactin, and somatotropin. The results suggest the importance of the balance between androgenic-anabolic activity and catabolizing effects of glucocorticoids during the course of vigorous strength training.</description><subject>Adult</subject><subject>Applied physiology</subject><subject>Biological and medical sciences</subject><subject>Human physiology applied to population studies and life conditions. 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V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Serum hormones during prolonged training of neuromuscular performance</atitle><jtitle>European Journal of Applied Physiology and Occupational Physiology</jtitle><addtitle>Eur J Appl Physiol Occup Physiol</addtitle><date>1985-02</date><risdate>1985</risdate><volume>53</volume><issue>4</issue><spage>287</spage><epage>293</epage><pages>287-293</pages><issn>0301-5548</issn><issn>1439-6319</issn><eissn>1432-1025</eissn><eissn>1439-6327</eissn><coden>EJAPCK</coden><abstract>The effects of a 24-weeks' progressive training of neuromuscular performance capacity on maximal strength and on hormone balance were investigated periodically in 21 male subjects during the course of the training and during a subsequent detraining period of 12 weeks. Great increases in maximal strength were noted during the first 20 weeks, followed by a plateau phase during the last 4 weeks of training. Testosterone/cortisol ratio increased during training. During the last 4 weeks of training changes in maximal strength correlated with the changes in testosterone/cortisol (P less than 0.01) and testosterone/SHBG (P less than 0.05) ratios. During detraining, correlative decreases were found between maximal strength and testosterone/cortisol ratio (P less than 0.05) as well as between the maximal strength and testosterone/SHBG ratio (P less than 0.05). No statistically significant changes were observed in the levels of serum estradiol, lutropin (LH), follitropin (FSH), prolactin, and somatotropin. The results suggest the importance of the balance between androgenic-anabolic activity and catabolizing effects of glucocorticoids during the course of vigorous strength training.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>4039254</pmid><doi>10.1007/bf00422840</doi><tpages>7</tpages></addata></record> |
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| ispartof | European Journal of Applied Physiology and Occupational Physiology, 1985-02, Vol.53 (4), p.287-293 |
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| language | eng |
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| subjects | Adult Applied physiology Biological and medical sciences Human physiology applied to population studies and life conditions. Human ecophysiology Humans Hydrocortisone - blood Isometric Contraction Male Medical sciences Physical Education and Training Sex Hormone-Binding Globulin - analysis Testosterone - blood Time Factors |
| title | Serum hormones during prolonged training of neuromuscular performance |
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