Primary outcomes’ predefined thresholds
| Feasibility measurements | Measure | Predefined thresholds |
| Recruitment/participation rate84 | Proportion of potential participants who agree to complete screening and consent to participate | ≥65% |
| Adherence rate85 | Proportion of participants who attend and complete the intervention | ≥80% |
| Retention rate84 | Proportion of participants with complete study data at 3-month and 6-month follow-up | ≥75% |
| Usability86 87 | SUS | ≥60 points |
| Safety measurements | ||
| Cybersickness88 | SSQ | ≤15 points |
| Fatigue to exercise89 | ROF | ≤4 points |
| Adverse events | Session’s registry | No between-group differences |
ROF, Rating of Fatigue; SSQ, Simulator Sickness Questionnaire; SUS, System Usability Scale.