How Informative are the Vertical Buoyancy and the Prone Gliding Tests to Assess Young Swimmers' Hydrostatic and Hydrodynamic Profiles?

• Authors: Tiago Barbosa , Mário Costa , Jorge Morais , Marc Moreira , António Silva , Daniel Marinho
• Languages of publication: EN

Abstracts

EN

The aim of this research was to develop a path-flow analysis model to highlight the relationships between buoyancy and prone gliding tests and some selected anthropometrical and biomechanical variables. Thirty-eight young male swimmers (12.97 ± 1.05 years old) with several competitive levels were evaluated. It were assessed the body mass, height, fat mass, body surface area, vertical buoyancy, prone gliding after wall push-off, stroke length, stroke frequency and velocity after a maximal 25 [m] swim. The confirmatory model included the body mass, height, fat mass, prone gliding test, stroke length, stroke frequency and velocity. All theoretical paths were verified except for the vertical buoyancy test that did not present any relationship with anthropometrical and biomechanical variables nor with the prone gliding test. The good-of-fit from the confirmatory path-flow model, assessed with the standardized root mean square residuals (SRMR), is considered as being close to the cut-off value, but even so not suitable of the theory (SRMR = 0.11). As a conclusion, vertical buoyancy and prone gliding tests are not the best techniques to assess the swimmer's hydrostatic and hydrodynamic profile, respectively.

Keywords

EN

competitive swimming; evaluation; children; performance

• Publisher: De Gruyter Open
• Journal: Journal of Human Kinetics
• Year: 2012
• Volume: 32
• Pages: 21-32

Dates

published

1 - 5 - 2012

online

30 - 5 - 2012

Contributors

author

Tiago Barbosa

author

Mário Costa

author

Jorge Morais

author

Marc Moreira

• Research Centre in Sports, Health and Human Development, Vila Real, Portugal

author

António Silva

author

Daniel Marinho

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Identifiers

DOI

10.2478/v10078-012-0020-x