Predicting Performance of Kayak Sprint Through Critical Velocity and Modified Wingate Tests

This study developed an open-water kayak sprint performance model using a critical velocity (CV) and modified Wingate test on a kayak ergometer on kayakers. Fifteen kayakers volunteered as subjects, and completed three experimental trials, including a CV test, a modified Wingate test, and an open-water kayak sprint test, with at least a 24-h rest interval between the tests. Heart rates (HRs) were measured throughout the trials. Capillary blood samples were collected immediately after exercise and measured lactate concentrations (LA_(post)). The results revealed that the 1,000-m and 200-m kayak sprint time in open-water was significantly correlated with the 1,000-m and 200-m kayak ergometry tests; CV; and peak power (P_(peak)), anaerobic capacity (AnC), maximum mean power (P_(max)), minimum mean power (P_(min)), and mean power (P_(mean)) in the modified Wingate test. The results of this study suggests that the optimal regression formula for predicting the 1,000-m kayak sprint time was Y = 642.06 - 113.9 × CV, and the optimal 200-m kayak sprint formula was Y = 69.957 - 0.093 × P_(min) + 0.058 × P_(mean) - 0.001 × AnC + 0.012 × P_(max). This study revealed that the CV and modified Wingate tests are the favorable indicators to predict the athlete performance in 1,000-m and 200-m kayak sprints, respectively.

關鍵字

open-water ； lactate concentration ； kayak ergometer

並列摘要

本研究目的是透過使用輕艇測功儀進行臨界速度與改良式溫蓋特無氧動力測試，以建立一個能夠預測輕艇運動員在開放水域輕艇競速運動表現的預測模式。由15名自願參加的卡雅克式輕艇競速男性運動員為受試者，所有受試者皆要完成三項測驗，包括臨界速度測試、改良式溫蓋特無氧動力測試和開放水域輕艇競速衝刺。每次測試間至少有24小時的休息時間，測試過程均測量心跳率，同時於運動後立即收集毛細血管血液樣本測量血乳酸濃度。研究結果發現，於開放水域中輕艇競速1,000公尺、200公尺衝刺完成時間與輕艇測功儀1,000公尺和200公尺之運動表現、臨界速度與溫蓋特無氧動力測試中的無氧動力峰值（peak power, P_(peak)）、無氧能力（anaerobic capacity, AnC）、平均最高無氧動力（maximum mean power, P_(max)）、平均最低無氧動力（minimum mean power, P_(min)）和平均無氧動力（mean power, P_(mean)）等數值皆有顯著相關。本研究結論為此項研究預測輕艇競速於開放性水域1,000公尺運動表現時間的最佳回歸公式為Y = 642.06 - 113.9 × CV；200公尺運動表現時間最佳預測回歸公式為Y = 69.957 - 0.093 × P_(min) + 0.058 × P_(mean) - 0.001 × AnC + 0.012 ×P_(max)。研究推論臨界速度和改良式溫蓋特無氧動力測試是預測1,000公尺和200公尺開放式水域輕艇競速運動表現的有利指標。

並列關鍵字

開放水域；血乳酸濃度；輕艇測功儀

參考文獻

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國際替代計量

Predicting Performance of Kayak Sprint Through Critical Velocity and Modified Wingate Tests

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