Table 6 Hormone responses to acute stress (ME, TBE and ITT)
From: Hormonal aspects of overtraining syndrome: a systematic review
Parameter | Quantity of studies (% of stimulation tests) | Normal response | Blunted response | Exacerbated response |
|---|---|---|---|---|
Cortisol | 10 (62.5%) | 5 (50.0%) | 5 (50.0%) | - |
ACTH | 7 (43.7%) | 3 (42.9%) | 4 (57.1%) | - |
GH | 7 (43.7%) | 3 (42.9%) | 4 (57.1%) | - |
Total T | 4 (25.0%) | 3 (75.0%) | 1 (25.0%) | - |
Plasma catecholamines | 3 (18.7%) | - | 2 (66.7%) | 1 (33.3%) |
Prolactin | 3 (18.7%) | 1 (33.3%) | 2 (67.1%) | - |
Insulin | 3 (18.7%) | 2 (67.1%) | 1 (33.3%) | - |
LH | 3 (18.7%) | 3 (100.0%) | - | - |
T/C | 3 (18.7%) | 1 (33.3%) | 1 (33.3%) | 1 (33.3%) |
FSH | 2 (12.5%) | 2 | - | - |
IGF-1 | 2 (12.5%) | 1 | - | 1 |
LH | 2 (12.5%) | 2 | - | - |
FSH | 2 (12.5%) | 2 | - | - |
Salivary C | 2 (12.5%) | - | 2 | - |
Salivary T | 2 (12.5%) | 1 | 1 | - |
Aldosterone | 2 (12.5%) | - | 1 | 1 |
IGFBP-3 | 1 | - | 1 | - |
IGF-1/IGFBP-3 | 1 | - | - | 1 |
Fertility | 1 | - | 1 | - |