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- Title
Analysis of Swimming Performance From Physical, Physiological, and Biomechanical Parameters in Young Swimmers.
- Authors
Jürimäe, Jaak; Haljaste, Kaja; Cicchella, Antonio; Lätt, Evelin; Purge, Priit; Leppik, Aire; Jürimäe, Toivo
- Abstract
The purpose of this study was to examine the influence of the energy cost of swimming, body composition, and technical parameters on swimming performance in young swimmers. Twenty-nine swimmers, 15 prepubertal (11.9 ± 0.3 years; Tanner Stages 1-2) and 14 pubertal (14.3 ± 1.4 years; Tanner Stages 3-4) boys participated in the study. The energy cost of swimming (Cs) and stroking parameters were assessed over maximal 400-m front-crawl swimming in a 25-m swimming pool. The backward extrapolation technique was used to evaluate peak oxygen consumption (VO2peak). A stroke index (SI; m² · s-1 · cycles-1) was calculated by multiplying the swimming speed by the stroke length. VO2peak results were compared with VO2peak test in the laboratory (bicycle, 2.86 ± 0.74 L/min, vs. in water, 2.53 ± 0.50 L/min; R² = .713; p = .0001). Stepwise-regression analyses revealed that SI (R² = .898), in-water VO2peak (R² = .358), and arm span (R² = .454) were the best predictors of swimming performance. The backward-extrapolation method could be used to assess VO2peak in young swimmers. SI, arm span, and VO2peak appear to be the major determinants of front-crawl swimming performance in young swimmers.
- Subjects
SWIMMING for children; SWIMMING; CALORIC expenditure; ENERGY metabolism in children; HUMAN body composition; EXERCISE for children; SPORTS for children; CRAWL stroke (Swimming); PHYSIOLOGY
- Publication
Pediatric Exercise Science, 2007, Vol 19, Issue 1, p70
- ISSN
0899-8493
- Publication type
Article