04-04-2006, 08:13 AM
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#1 | | Fencing Expert
Join Date: May 2000 Location: The valley of the -hot- sun, NorCal
Posts: 3,184
| Interesting Italian article http://www.schermaonline.com/scherma...rticle&sid=593
Perhaps Gladius can translate it, but it is a very interesting read for anyone who wishes to train a lot to improve. It gives a good idea of what the different effects training has on your body and hormonal system, and what causes overtraining syndrome.
__________________ - Epee is the Louis Vuitton bag of fencing: only the best can get it, and the rest of the masses must content themselves with cheap knockoffs (sabre, foil)
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| | | And now for this message... | |
04-04-2006, 12:07 PM
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#2 | | Fencing Expert
Join Date: Jun 2000 Location: CA area
Posts: 6,083
| The link you provided is in french. Why don't you translate it?
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04-04-2006, 01:29 PM
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#3 | | Senior Member
Join Date: Oct 2004 Location: Jyväskylä
Posts: 3,864
| In lieu of translation - information on this subject exists in english. BLOOD FEATURES AND OVERTRAINING
Urhausen, A., Gabriel, H., & Kindermann, W. (1995). Blood hormones as markers of training stress and overtraining. Sports Medicine, 20, 251-276. Quote: |
Originally Posted by Pubmed Abstract Blood hormones as markers of training stress and overtraining.
Urhausen A, Gabriel H, Kindermann W.
Institute of Sports and Preventive Medicine, University of Saarland, Saarbrucken, Germany.
An imbalance between the overall strain experienced during exercise training and the athlete's tolerance of such effort may induce overreaching or overtraining syndrome. Overtraining syndrome is characterised by diminished sport-specific physical performance, accelerated fatiguability and subjective symptoms of stress. Overtraining is feared by athletes yet there is a lack of objective parameters suitable for its diagnosis and prevention. In addition to the determination of substrates (e.g. lactate, ammonia and urea) and enzymes (e.g. creatine kinase), the possibilities for monitoring of training by measuring hormonal levels in blood are currently being investigated. Endogenous hormones are essential for physiological reactions and adaptations during physical work and influence the recovery phase after exercise by modulating anabolic and catabolic processes. Testosterone and cortisol are playing a significant role in metabolism of protein as well as carbohydrate metabolism. Both are competitive agonists at the receptor level of muscular cells. The testosterone/cortisol ratio is used as an indication of the anabolic/catabolic balance. This ratio decreases in relation to the intensity and duration of physical exercise, as well as during periods of intense training or repetitive competition, and can be reversed by regenerative measures. Correlations have been noted with the training-induced changes of strength. However, it seems more likely that the testosterone/cortisol ratio indicates the actual physiological strain in training, rather than overtraining syndrome. The sympatho-adrenergic system might be involved in the pathogenesis of overtraining. Overtraining appears as a disturbed autonomic regulation, which in its parasympathicotonic form shows a diminished maximal secretion of catecholamines, combined with an impaired full mobilisation of anaerobic lactic reserves. This is supposed to lead to decreased maximal blood lactate levels and maximal performance. Free plasma adrenaline (epinephrine) and noradrenaline (norepinephrine) may provide additional information for the monitoring of endurance training. While prolonged aerobic exercise conducted at intensities below the individual anaerobic threshold lead to a moderate rise of sympathetic activity, workloads exceeding this threshold are characterised by a disproportionate increase in the levels of catecholamines. In addition, psychological stress during competitive events is characterised by a higher catecholamines to lactate ratio in comparison with training exercise sessions. Thus, the frequency of training sessions with higher anaerobic lactic demands or of competition, should be carefully limited in order to prevent overtraining syndrome. In the state of overtraining syndrome and overreaching, respectively, an intraindividually decreased maximum rise of pituitary hormones (corticotrophin, growth hormone), cortisol and insulin has been found after a standardised exhaustive exercise test performed with an intensity of 10% above the individual anaerobic threshold |
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04-05-2006, 02:01 AM
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#4 | | Senior Member
Join Date: Sep 2004
Posts: 371
| English translation Quote: |
Originally Posted by edew The link you provided is in french. Why don't you translate it? | English translation of the article is coming up. Never thought it would be such a hot topic but since you asked...  |
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