Determinants of Boat Velocity during a 200 m Race in Elite Paralympic Sprint Kayakers

Redwood-Brown, Athalie; Brown, Hazel; Oakley, B.J.; Felton, Paul

doi:10.1080/24748668.2021.1986351

Cited by 3 publications

(3 citation statements)

References 25 publications

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“…Conversely, KL1 emerged as the Paralympic sport class characterized by a larger CV and amplitude in race times, with a poor correlation in performance over the years, and notable significant distinctions from other sports classes. Previous research has underscored differences in power output, kinematics, and performance outcomes between Paralympic sports classes (Bjerkefors et al, 2019; Redwood-Brown et al, 2021; Ribeiro Neto et al, 2021, 2023; Teixeira Fabricio dos Santos et al, 2023) and Olympic athletes (Bjerkefors et al, 2019). However, the current study places particular emphasis on KL1-F, which exhibited a substantial degree of variability in race times, signifying an early stage in the developmental trajectory of this sport class or range of diversity of functionality.…”

Section: Discussionmentioning

confidence: 99%

Paralympic Versus Olympic Canoe Sprint: Comprehension of the Development Trajectory of the Kayak 200 Meters

Ribeiro Neto,

dos Santos,

Castelli Correia de Campos

et al. 2024

Percept Mot Skills

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Improvements in race times for male and female Para canoe athletes across different sports classes have led to a reduction in relative differences between classes over time. However, there is a lack of research examining the comparative developmental trajectories between high-performance Paralympic (PCS) and Olympic (OCS) canoe sprint. In this study, we compared the developmental trajectories of 200-meter kayak performances among PCS and OCS athletes. In total, we analyzed 628 race results obtained from public online databases, for nine competitions between 2015 and 2023. Race times were reduced over the years except in specific sports classes (KL3-M, K1-M, and K1-F; KL: Kayak Level, M: male, F: female), with a poor positive correlation (r = 0.17 to 0.33) between time and the years. For the remaining sports classes, these correlations ranged from poor to fair (r = −0.58 to −0.13). OCS K1 athletes outperformed their Paralympic counterparts. Among Paralympic classes, KL1 had slower times than KL2 and KL3 ( p ≤ .05), with KL2 times significantly lower than KL3 in the female category. OCS athletes exhibited less variability in race times compared to PCS athletes. In the male category, there were no significant differences in the coefficients of variation (CV) and amplitude of race times between sport classes, except for KL1-M, which had a larger CV than K1 ( p ≤ .05). In the female category, the CV and amplitude of race times were significantly higher in KL1-F compared to KL3-F and K1-F. OCS times remained stable from 2015, with KL3-M following a similar trend. PCS displayed greater race time variability, particularly in higher impairment classes, notably KL1. This underscores the existence of distinct developmental stages within the canoe sprint modality, particularly emphasizing the early developmental phase of KL1. It also provides valuable insights for coaches and sports selection, especially concerning athletes with more severe impairments, including those in Rehabilitation Centers and during athlete recruitment.

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Section: Discussionmentioning

confidence: 99%

Paralympic Versus Olympic Canoe Sprint: Comprehension of the Development Trajectory of the Kayak 200 Meters

Ribeiro Neto,

dos Santos,

Castelli Correia de Campos

et al. 2024

Percept Mot Skills

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“…Many variables can be related to performance, such as velocity, stroke rate, stroke length, and interstroke steadiness. [22][23][24][25][26] Modifications to these biomechanical variables might result in a loss of total speed, which is associated with potential technical imbalances during the race, such as excessive or inefficient steering strokes. 22,26 In Para canoe, balance changes are significant (mainly in the KL1 class) and adjustments to the vessels, improvement in the specific kayak Para canoe paddling technique, and an increase in athletes with greater trunk balance (KL1 athletes) may be factors that lead to performance improvement over the years in all classes.…”

Section: Discussionmentioning

confidence: 99%

“…Many variables can be related to performance, such as velocity, stroke rate, stroke length, and interstroke steadiness 22–26 . Modifications to these biomechanical variables might result in a loss of total speed, which is associated with potential technical imbalances during the race, such as excessive or inefficient steering strokes 22,26 .…”

Section: Discussionmentioning

confidence: 99%

Performance Trajectory Related to Age, Classification and Sex in Elite Kayak Para Canoe Athletes

Neto¹,

Vara²,

Dorneles

et al. 2023

Am J Phys Med Rehabil

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Objective Verify the performance trajectory related to age, classification (KL: kayak level; M: male; F: female), and sex of elite kayak Para canoe athletes. Design Retrospective cohort study. Results Race results and athletes' data were retrieved from publicly available online databases for 17 competitions and 102 finals between 2015 and 2022. Race time reduced over the years except for KL3-M class. There was a reduction in the relative difference between KL2-M and KL3-M over the years (r = -0.83, 95%CI = -0.34 to -0.97; p ≤ 0.05). Additionally, no significant differences were found in race times relative differences between KL2-F and KL3-F over the years. Although the correlation between age and performance was only found to be statistically significant in the KL3-F class, the ages of all classes (35.2, 32.6, 29.5, 34.6, 37.6, and 30.6 years for males and females KL1, KL2, and KL3, respectively) were higher than those in Olympic canoeing (27.8 years). Conclusion Race times have improved overall since 2015, but not for the KL3-M class. Nevertheless, due to the stochastic ages of the finalist athletes, it was not possible to determine the age at which peak performance is achieved in all classes. Kayak Para canoe classes should be monitored in the coming years to determine whether interventions are necessary to improve differentiation.

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Das Niveau der Fähigkeiten der Kajakfahrer beeinflusst die Zeitreihe der Bootsbeschleunigung

Karami¹,

Sanjari

Boozari

et al. 2022

Ger J Exerc Sport Res

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Determinants of Boat Velocity during a 200 m Race in Elite Paralympic Sprint Kayakers

Cited by 3 publications

References 25 publications

Paralympic Versus Olympic Canoe Sprint: Comprehension of the Development Trajectory of the Kayak 200 Meters

Paralympic Versus Olympic Canoe Sprint: Comprehension of the Development Trajectory of the Kayak 200 Meters

Performance Trajectory Related to Age, Classification and Sex in Elite Kayak Para Canoe Athletes

Das Niveau der Fähigkeiten der Kajakfahrer beeinflusst die Zeitreihe der Bootsbeschleunigung

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