Importance of sagittal kick symmetry for underwater dolphin kick performance

Atkison, Ryan R.; Dickey, James P.; Dragunas, Andrew; Nolte, Volker

doi:10.1016/j.humov.2013.08.013

Cited by 42 publications

(89 citation statements)

References 10 publications

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“…This thesis is consistent with the conclusions of other studies [9,19] showing that the amplitude does not affect v cOM .…”

Section: Discussionsupporting

confidence: 93%

“…The relationship between St and sports proficiency is highlighted by Arellano et al [27]. The St value remains within the range of 0.59-0.88 in humans [9] and of 0.25-0.35 among fish and dolphins [25]. In the present study, concerning young swimmers, the St amounted to an average of 0.83.…”

Section: Discussionsupporting

confidence: 68%

“…In recent years, a number of studies on underwater dolphin kicks have been carried out, most of which were based on a kinematic analysis of video material [7][8][9][10][11][12]. The method, notwithstanding its limitations, is still a very popular way of determining selected parameters of movement [13].…”

Section: Introductionmentioning

confidence: 99%

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Underwater dolphin kicks of young swimmers – evaluation of effectiveness based on kinematic analysis

Wądrzyk¹,

Nosiadek²,

Staszkiewicz³

2018

Hum Mov.

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Purpose. The aim of the study was to distinguish the kinematic indicators influencing the average horizontal velocity of swimming (v cOM ) with underwater dolphin kicks (UDK). Methods. The study involved 15 boys and 20 girls (mean age, 11.5 ± 1.00 years; height, 1.57 ± 0.09 m; training experience, 2.5 ± 1.00 years) practicing swimming 7 times a week. We determined the body height (H), the length of the body with the arms lifted (L b ), and the best result in the 50-m freestyle (pbt); characteristic anthropological points were marked on the body. The subjects performed UDK after a water-start for a distance of ca. 8 m (without a push-off from the wall). Movements were recorded with an underwater camera. The recordings were kinematically analysed with the SkillSpector program. On this basis, we calculated v cOM , frequency of movement (f), amplitude of movement (A), horizontal displacement in one cycle (D pk ), maximum flexion in the knee joints (KF max ), the product of f and A (I Af ), the Strouhal number (St), and relative amplitude of toe movement (A rEL ).Results. The movements of the subjects were characterized as follows: v cOM = 1.08 ± 0.13 m/s, f = 2.00 ± 0.

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“…This thesis is consistent with the conclusions of other studies [9,19] showing that the amplitude does not affect v cOM .…”

Section: Discussionsupporting

confidence: 93%

Section: Discussionsupporting

confidence: 68%

See 1 more Smart Citation

Underwater dolphin kicks of young swimmers – evaluation of effectiveness based on kinematic analysis

Wądrzyk¹,

Nosiadek²,

Staszkiewicz³

2018

Hum Mov.

View full text Add to dashboard Cite

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“…However, at present, there is a growing research interest in these competitive techniques Hochstein & Blickhan, 2011;Puel et al, 2012) as they are supposed to provide a competitive edge to swimmers (Atkinson, Dickey, Dragunas, & Nolte, 2014;von Loebbecke, Mittal, Fish, et al, 2009). Several factors have been reported to affect the effectiveness of underwater undulatory swimming, including the kick frequency (Cohen et al, 2012), amplitude (Houel, Elipot, André, & Hellard, 2013), symmetry (Atkinson et al, 2014) and swimmer morphology (von Loebbecke, Mittal, Fish, et al, 2009). Distances traveled with underwater movements have been found relevant to the starting and turning (Blanksby, Elliott, McElroy, & Simpson, 1998;Tourny-Chollet, Chollet, Hogie, & Papparodopoulos, 2002) competitive performances.…”

Section: Introductionmentioning

confidence: 99%

Effects of different swimming race constraints on turning movements

Veiga

Mallo

Navandar

et al. 2014

Human Movement Science

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a b s t r a c tThe aim of this study was to investigate the effects of different swimming race constraints on the evolution of turn parameters. One hundred and fifty-eight national and regional level 200-m (meters) male swimming performances were video-analyzed using the individualized-distance model in the Open Comunidad de Madrid tournament. Turn (p < .001, ES = 0.36) and underwater distances (p < .001, ES = 0.38) as well as turn velocity (p < .001, ES = 0.69) significantly dropped throughout the race, although stroke velocity and underwater velocity were maintained in the last lap of the race (p > .05). Higher expertise swimmers obtained faster average velocities and longer distances in all the turn phases (p < .001, ES = 0.59), except the approach distance. In addition, national level swimmers showed the ability to maintain most of the turn parameters throughout the race, which assisted them in improving average velocity at the end of races. Therefore, the variations in the turning movements of a swimming race were expertise-related and focused on optimizing average velocity. Turning skills should be included in the swimming race action plan.

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“…28,34,42 The camera is fixed on a specific field of view and the footage is captured as the swimmer moves past. When using a smaller capture space, issues arise as only a short number of stroke cycles can actually be recorded within the capture space.…”

Section: Paytonmentioning

confidence: 99%

Application of Video-Based Methods for Competitive Swimming Analysis: A Systematic Review

Quinlan

Laighin²,

Mooney³

et al. 2015

Sport Exerc Med Open J

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This paper explores the application of video-based methods for the analysis of competitive swimming performance. A systematic search of the existing literature was conducted using the following keywords: swim*, performance, analysis, quantitative, qualitative, camera, video on studies published in the last five years, in the electronic databases ISI Web of Knowledge, PubMed, Science Direct, Scopus and SPORT discus. Of the 384 number of records initially identified, 30 articles were fully reviewed and their outcome measures were analysed and categorised according to (i) the processes involved, (ii) the application of video for technical analysis of swimming performance and (iii) emerging advances in video technology. Results showed that video is one of the most common methods used to gather data for analysing performance in swimming. The process of using video in aquatic settings is complex, with little consensus amongst coaches regarding a best-practice approach, potentially hindering usage and effectiveness. Different methodologies were assessed and recommendations for coaches, sport scientists and clinicians are provided. Video is an extremely versatile tool. In addition to providing a visual record, it can be used for qualitative and quantitative analysis and is used in both training and competition settings. Cameras can be positioned to gather images both above and below the water. Ongoing advances in automation of video processing techniques and the integration of video with other analysis tools suggest that video analysis will continue to remain central to the preparation of elite swimmers.

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Importance of sagittal kick symmetry for underwater dolphin kick performance

Cited by 42 publications

References 10 publications

Underwater dolphin kicks of young swimmers – evaluation of effectiveness based on kinematic analysis

Underwater dolphin kicks of young swimmers – evaluation of effectiveness based on kinematic analysis

Effects of different swimming race constraints on turning movements

Application of Video-Based Methods for Competitive Swimming Analysis: A Systematic Review

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