| CI | confidence interval |
| CR-10 | category-ratio 10 scale |
| FFP | functional fatigue protocol |
| GRADE | Grading of Recommendations Assessment, Development and Evaluation |
| HR | heart rate |
| HRmax | maximal heart rate |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| PROSPERO | International Prospective Register of Systematic Reviews |
| RPE | rating of perceived exertion |
| RoB 2 | Risk of Bias 2 tool |
| ROBINS-I | Risk Of Bias In Non-randomized Studies—of Interventions |
| SGA | simulated game activity |
| SMD | standardized mean difference |
| VO2max | maximal oxygen uptake |
| vVO2max | velocity at maximal oxygen uptake |
| PECOS | Participants, Exposure, Comparator, Outcomes, Study design |
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