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Table 4 Resting levels after overload training (OTP or CSP)

From: Hormonal aspects of overtraining syndrome: a systematic review

Parameter

Quantity of studies

Normal response

Blunted response

Exacerbated response

Cortisol

16 (66.7%)

12 (75.0%)

4 (25.0%)

 

Total T

15 (62.5%)

10 (66.7%)

4 (26.7%)

1 (6.7%)

T/C

10 (41.7%)

4 (40.0%)

5 (50.0%)

1 (10.0%)

Plasma catecholamines

6 (25.0%)

4 (66.7%)

2 (33.3%)

-

Insulin

5 (20.8%)

4 (80.0%)

1 (20.0%)

-

LH

5 (20.8%)

4 (80.0%)

1 (20.0%)

-

FSH

4 (16.7%)

3 (75.0%)

1 (25.0%)

-

GH

4 (16.7%)

2 (50.0%)

1 (25.0%)

1 (25.0%)

IGF-1

4 (16.7%)

3 (75.0%)

1 (25.0%)

-

NUC

4 (16.7%)

1 (25.0%)

1 (25.0%)

2 (50.0%)

Free T

3 (12.5%)

1 (33.3%)

1 (33.3%)

1 (33.3%)

ACTH

3 (12.5%)

3 (100.0%)

-

-

Aldosterone

3 (12.5%)

1 (33.3%)

1 (33.3%)

1 (33.3%)

T4

2 (8.3%)

2 (100.0%)

-

-

T3

2 (8.3%)

2 (100.0%)

-

-

TSH

2 (8.3%)

2 (100.0%)

-

-

Prolactin

2 (8.3%)

2 (100.0%)

-

-

Salivary C

2 (8.3%)

-

2 (100.0%)

-

Salivary T

2 (8.3%)

1 (50.0%)

1 (50.0%)

-

Peptide C

2 (8.3%)

2

-

-

IGFBP-3

1

1

-

-

IGF-1/IGFBP-3

1

1

-

-

DHEA-S

1

1

-

-

Peptide F

1

1

-

-

Fertility

1

-

1

-

SHBG

1

1

-

-

Beta-2 muscle receptors

1

-

1

-

  1. NUC Nocturnal urinary catecholamines, T/C testosterone/cortisol ratio, T/SHBG testosterone/sex hormone binding globulin, T3 thyronine, T4 thyroxine, salivary C salivary cortisol, salivary T salivary testosterone, 4 PM salivary C salivary cortisol collcted at 4 PM, IGF-1/IGFBP-3 IGF-1/IGFBP3 ratio, fertility evaluation by semen analysis