Efectos de la intensidad de nado en el rendimiento del triatlón / Effects of Swimming Intensity on Triathlon Performance

OBJETIVO: Analizar la influencia de diferentes intensidades de nado en los sectores de ciclismo y carrera a pie y en el rendimiento final del triatlón sprint. MÉTODOS: Siete triatletas sub23 y Absolutos (altura de 1,74 ± 0,04 m, peso de 70,82 ± 6,76 kg, edad de 23,42 ± 3,25 años, VO2 max de 63,54 ± 5,23 ml·kg-1·min-1) participaron en este estudio. Realizaron tres triatlones completos a intensidades de nado diferentes (70%, 80% y 90% de un test de 750m previo). Se midió la frecuencia cardíaca y el lactato al finalizar cada sector y el triatlón completo. RESULTADOS: La intensidad de nado del 90% obtuvo el mejor rendimiento final. El lactato y frecuencia cardíaca en el sector de nado para esta condición incrementó significativamente, sin diferencias en los sectores siguientes. CONCLUSIONES: Basándonos en la muestra estudiada, el rendimiento final en un triatlón sprint parece estar condicionado por la intensidad de nado, siendo el 90% la mejor intensidad observada en triatletas moderadamente entrenados

OBJECTIVE: To analyze the influence of different swimming intensities on the subsequent cycling and running sectors and overall sprint triathlon performance. METHODS: Seven sub23 and senior triathletes (height 1.74 ± 0.04 m, weight 70.82 ± 6.76 kg, age 23.42 ± 3.25 years, VO2 max 63.54 ± 5.23 ml • kg-1 • min-1) participated in this study. They carried out three complete triathlons at different swimming intensities (70%, 80% and 90% of a previous 750m test). Heart rate and lactate were measured at the end of each sector and after completing the whole triathlon. RESULTS: The 90% swimming intensity obtained the best final performance. Lactate and heart rate in the swimming sector for this condition increased significantly, without differences in the following sectors. CONCLUSIONS: Based on the sample studied, the final performance in a sprint triathlon seems to be conditioned by the swim intensity, being 90% the best intensity observed in moderately trained triathletes

Swimming championship finalist positions on success in international swimming competitions.

The primary goal was to determine whether the achievement of finalist positions in the Junior Championship was associated with the achievement of success in the International Swimming Federation (FINA) World Championship (WC). Secondary goals included analyzing the effect of various factors (gender, age, country, etc) on swimmers' performances. Data were obtained from FINA information about the finalists from 2007 to 2015 WCs and finalists from 2006 to 2013 Junior-WCs (2400 entries). Final filtered database just included swimmers who participated in both junior and senior WCs (719 entries). A univariate general linear model (GLM) was used to examine the association between time; origin (swimmer who participated in Junior WC or not); maintenance years (number of years achieving finalist positions); country; and age, adjusting for year of competition. An ordinal logistic regression (OLR) model was used to identify predictors of achieving the top positions. The origin variable was not significant in either the GLM or the OLR. The only significant variables in the GLM were maintenance years (F4,706 = 7.689; p < .05) and year of competition (F4,706 = 23.239; p < .05). The OLR revealed a strong association (p < .001) between the position variable and maintenance years, getting better positions as you get more WCs (odds = 1.85). In conclusion, no evidence was obtained to conclude finalist position in Junior WC have influence in achieve success in FINA WC. Maintenance years in WCs have a positive impact to achieve better positions.