Table 9: Apnea durations of EK before and after DATP performed with a 3-minute rest interval between each type of apnea. During static apneas (DA_SUP, WA_FI & WA_RP) a nose clip was used.

DA_SUP (sec) WA_FI (sec) WA_RP(sec) DYA_US
sec Meters
Before DATP 36 39 21 30 37.5
After DATP 52 31 24 32 42
Difference 16 (44%) -8 (-21%) 3 (14%) 2 (7%) 4.5 (12%)

DA_SUP: Dry Apnea in Supine Position; WA_FI: Wet Apnea with Face Immersion; WA_RP: Wet Apnea in Reverse Body Position at the Pool Wall; DYA_US: Dynamic Apnea Underwater Swimming.