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- Impact of yoga training on heart rate variability and pilot performance: a randomized controlled trialPublication . Santos, Sara; Melo, Filipe; Fernandes, Orlando; Parraca, José AlbertoBackground Piloting military aircraft demands precise execution of maneuvers under high-stress conditions. Yoga has been proposed as a potential intervention to enhance stress management, operational performance, and flight safety in pilots. However, its effects on stress resilience and performance metrics need further investigation. Methods In this randomized controlled trial, 18 pilots were randomly assigned to either a Yoga intervention group (n=10) or a control group (n=8). Heart rate variability (HRV) measures were analyzed to evaluate physiological stress responses. Performance variables, including completion times for flight maneuvers and number of errors during emergency protocol, were also assessed before and after a 12-week intervention period. Results HRV analysis showed improvements in stress resilience, indicated by changes in heart rate variability (HRV) parameters such as standard deviation of NN intervals (SDNN), root mean square of successive differences (RMSSD), low frequency (LF), and high frequency (HF). The Wilcoxon rank test revealed significant results regarding performance variables within the Yoga group, particularly for the Touch & Go maneuver (p=0.016) and the emergency maneuver (p=0.039), with large effect sizes (0.9444 and 0.8333, respectively). While completion times were longer for the Yoga group, indicating a more careful approach, the number of errors significantly decreased (p=0.025, effect size=0.917), with a notable reduction observed in the Yoga group compared to controls. Conclusion Incorporating yoga into pilot training protocols holds promise for better executive/cognitive functions, enhancing stress management and operational performance, reducing the number of errors, and leading to increased flight safety. While yoga may lead to longer completion times for maneuvers, the significant reduction in errors and improvements in stress resilience highlight its potential benefits. However, careful consideration is needed to balance improved precision with operational efficiency.
- The influence of a 12-week yoga program on military aviation pilots' decision-making capacity for operational effectivenessPublication . Santos, Sara; Fernandes, Orlando; Cabo, Carolina A.; Parraca, José A.; Melo, FilipeMilitary aviation demands cognitive performance, emotional stability, and resilience under pressure. Portuguese Airforce pilots face additional challenges: maintaining fitness and readiness independently, without structured exercise regimens. Yoga’s capacity to enhance mindfulness makes it a promising intervention. Despite potential benefits, research on yoga’s impact in military aviation remains limited. This study investigates incorporation of yoga into the training regimen of Portuguese Airforce to verify decision-making effectiveness and performance. A randomized controlled trial was conducted with 18 Portuguese Air Force pilots: Control Group (n = 8) followed standard military training, and Intervention Group (n = 10) received aditional yoga training twice a week, for 12 weeks. Assessments included Five Facet Mindfulness Questionnaire (FFMQ), Multidimensional Assessment of Interoceptive Awareness (MAIA), Aviation Safety Attitude Scale (ASAS), Risk Perception To Self (RPTS), Trail Making Test (TMT) and aviation simulator performance. Data analysis used Jamovi v2.6.13. The yoga group showed significant improvements in mindfulness (FFMQ), interoceptive awareness (MAIA), self-confidence and safety attitudes (ASAS), cognitive flexibility (TMT-B), and simulator performance (fewer flight errors). Enhancements in attention regulation, body awareness, and emotional self-regulation reflect greater readiness for stress management. Improvements in decision-making, calculated risk-taking, and operational safety suggest yoga’s potential to reinforce psychophysiological resilience in high-demand environments. Yoga contributes meaningfully to enhanced performance and safety in high-pressure aviation environments. These findings may inform policy-level decisions toward integrating mandatory mind-body training programs that are cost-effective and time-efficient. The benefits observed may be applicable to Air Force teams globally, as well as commercial aviation, civil aviation, and other high-stress, high-performance domains, including elite sports. Clinical Trial Registry number and website where it was obtained: ClinicalTrials.gov identifier NCT05821270.