| URTI | Upper respiratory tract infection |
| IL | Interleukin |
| HR | Heart rate |
| V | Velocity |
| TNF | Tumor necrosis factor |
| IgG | Immunoglobulin G |
| IGF-1 | Insulin-like growth factor 1 |
| CPET | Cardiopulmonary exercise testing |
| WBC | White blood cell |
| LYM | Lymphocyte |
| MON | Monocyte |
| GRA | Granulocyte |