Robert Lerda

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This study analyzes apnea (A), exhalation (E), and inhalation (I) duration with respect to stroke organization in front crawl as a function of inhalation side, swim velocity and performance level. Thirty-six male subjects comprised two groups based on performance level: more expert (ME) and less expert (LE) swimmers. All swam with one inhalation per cycle(More)
This study assessed how stroking in backstroke varies with performance status and sex. A total of 36 subjects were separated into two groups of 18 by sex and further divided into two subgroups of nine, faster and slower, based on velocity in the 100-m event. Stroking parameters and coordination indexes were measured at this 100-m pace. Index 1 characterizes(More)
The purpose of this study was to measure and compare the durations of exhalation (DE), inhalation (DI), and inhalatory apnea (DAI) expressed as percentage of stroke-cycle duration using two groups (more expert and less expert) of 6 front crawl swimmers each at near 100-m speed (high speed) and 800-m speed (low speed). Two breathing conditions were(More)
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