| AB | Able-bodied |
| (Bla) | Blood lactate concentration |
| CAF | Caffeine |
| CNS | Central nervous system |
| HR | Heart rate |
| LBE | Lower-body exercise |
| PO | Power output |
| PLA | Placebo |
| RPE | Rating of perceived exertion |
| RPEC | Central rating of perceived exertion |
| RPEO | Overall rating of perceived exertion |
| RPEP | Peripheral rating of perceived exertion |
| SD | Standard deviation |
| TT | Time trial |
| UBE | Upper-body exercise |
| Oxygen uptake | |
| peak | Peak oxygen uptake |
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