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Nathan Goodyear

Hormonal aspects of overtraining syndrome: a systematic review | BMC Sports Science, Me... - 0 views

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    Broad review of OTS finds conflicting results on hormones in OTS.
Nathan Goodyear

Sex, Receptors, and Attachment: A Review of Individual Factors Influencing Response to ... - 0 views

  • Estrogen upregulates OT and OT receptor (OTR) production
  • testosterone promotes both OTR binding in the hypothalamus (Johnson et al., 1991) as well as production of AVP (Delville et al., 1996), which has many opponent actions to OT
  • men and women show differences in plasma OT levels
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    Oxytocin and libido.
Nathan Goodyear

Overtraining Syndrome - 0 views

  • Alterations in the HPA and hypothalamic-pituitary-gonadal axes with a resultant decrease in testosterone:cortisol ratios have been implicated in OTS. Proinflammatory cytokines are potent activators of the HPA system, which cause release of corticotropin-releasing hormone, adrenocorticotropic hormone, and cortisol. These cytokines suppress testosterone through central inhibition
  • Some have suggested that a decreased testosterone:cortisol ratio can be diagnostic of NFO and/or OTS. However, the ratio represents the physiologic strain of training rather than the athlete’s maladaption to that stress
  • Cortisol (catabolic and anti-inflammatory) is converted to inactive cortisone by 11β-HSD2
  • ...2 more annotations...
  • A prospective study found a clinically significant increase in overnight urinary cortisol:cortisone ratio during a high training load period in triathletes, who subsequently underperformed and reported fatigue
  • It is proposed that cytokines may inhibit 11β-HSD2 activity and result in relative increases in cortisol and, hence, catabolism
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    Overtraining syndrome described.
Nathan Goodyear

Diagnosis and prevention of overtraining syndrome: an opinion on education strategies - 0 views

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    Review of the evidence of OTS versus overreaching.  Academic points about the difference really.  This are both dysfunctional physiologies and they need to be approached the same.
Nathan Goodyear

Blood Hormones as Markers of Training Stress and Overtraining | SpringerLink - 0 views

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    Older article, but good one still on hormones and overtraining.  Look to the Testosterone/Cortisol ratio.  OTS will lead to decreased Testosterone and increased cortisol resulting in chronic catabolic state.
Nathan Goodyear

Fatigue and underperformance in athletes: the overtraining syndrome - 0 views

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    Good review of the physiology behind over training syndrome.
Nathan Goodyear

Fatigue and underperformance in athletes: the overtraining syndrome - 0 views

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    Over training syndrome: reason for athlete underperformance
Nathan Goodyear

Contemporary ergonomics 1998 ... - Google Books - 0 views

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    salivary cortisol testing in air traffic controllers
Nathan Goodyear

Overtraining, Exercise, and Adrenal Insufficiency - 0 views

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    Great review on over training syndrome and hypoadrenia.
Nathan Goodyear

Serum sex hormone-binding globulin and cortisol concentrations are associated with over... - 0 views

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    Over training syndrome and its effects on cortisol, SHBG, and IGF-1; or as they authors call it overreaching.  The study contrasted OR versus basic training.
Nathan Goodyear

http://umu.diva-portal.org/smash/get/diva2:955835/FULLTEXT01.pdf - 0 views

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    women and exercise.
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