| BJ | Beetroot Juice |
| PLA | Placebo |
| 1RM | One-Repetition Maximum |
| BS | Back Squat |
| BP | Bench Press |
| HR | Heart Rate |
| HRV | Heart Rate Variability |
| RMSSD | Root Mean Square of Successive Differences |
| HF | High Frequency |
| CMJ | Countermovement Jump |
| SJ | Squat Jump |
| DOMS | Delayed Onset Muscle Soreness |
| RPE | Rate of Perceived Exertion |
| NO3− | Nitrate |
| NO2− | Nitrite |
| NO | Nitric Oxide |
| ATP | Adenosine Triphosphate |
| RT | Resistance Training |
| LF | Low Frequency |
| MeanRR | Mean RR Interval |
| SDNN | Standard Deviation of NN Intervals |
| SmO2 | Muscle Oxygen Saturation |
| THb | Total Hemoglobin |
| NIRS | Near-Infrared Spectroscopy |
| ∆Pre–Post | Delta Change from Pre- to Post-Intervention |
| η2p | Partial Eta-Squared |
| d | Cohen’s d (Effect Size) |
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