Influence of intermittent aerobic performance on the variables of static and dynamic apnea performances

Over the last years, sport diving has become one of the most studied physical activities. Several physiological responses have been described and analyzed during immersions of static, dynamic, and deep apnea sessions. These analyses, and several others, have been focused mainly on the cardiovascular and hemodynamic changes that this activity produces. Objective: To determine the influence of aerobic performance of static and dynamic apnea before and after an out-water training based on the average velocity of a 12-minute test. Material and Metliod: Eight apnea scuba divers of the Chilean Navy were part of this study. The variables measured were: aerobic performance measured through a 12-minute test, static and dynamic apnea. The protocol used for the aerobic performance development was a study based on the average velocity of a 12-minute test. The statistical analysis was performed with Student's t-test and the size of the effect with Cohen's d test Results: The aerobic performance showed a significant increase between the pre and post-test (p < 0.001 ; size of the effect = 1.263). The static apnea did not show significant modifications (p > 0.05; size of the effect = 0.025). Lastly, the dynamic apnea showed a significant increase in both measurements (p < 0.05; size of the effect = 0.404). Conclusions: The result of the study showed that increasing the aerobic performance generates a rise in the distance of dynamic apnea. For that reason, it is suggested that apnea scuba divers perform out-water trainings based on the average velocity of 12-minute test as a complement to their immersion training.