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Publication
O som e a sua relação com as forças de reação ao solo e com o equilíbrio na corrida
| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| 1.73 MB | Adobe PDF |
Authors
Abstract(s)
Introdução: A incidência de lesões na corrida permanece elevado e uma das possíveis
causas são as forças de reação ao solo. O som tem sido utilizado empiricamente como
feedback para retreino da corrida, e consequente redução das forças de impacto.
Objetivo principal: Avaliar se existe correlação entre as variáveis do som e da cinética
durante a corrida.
Objetivos Secundários: Avaliar se existe correlação entre as variáveis do som e as
características dos corredores e a aplicabilidade de um telemóvel com um microfone
externo na medição da intensidade do som.
Metodologia: Realizou-se um estudo descritivo-correlacional, que contou com a
participação de 16 corredores, 4 (25%) eram do sexo feminino e 12 (75%) do sexo masculino,
tinham em média 46.6 ± 12.6 anos e um peso de 70.4 ± 12.8 kg. Os participantes deslocaram-se ao Centro de Alto Rendimento no Jamor para a recolha dos dados de som e cinética
durante a corrida. Analisaram-se o tempo de duração do som e a sua intensidade, as
forças de reação ao solo, tempo de contacto ao solo, velocidade do passo e variação
total, velocidade média e entropia do CoP.
Resultados: Na análise dos resultados, comparou-se o som com as características dos
corredores, cinética e equilíbrio através do teste não paramétrico de Spearman, não se
tendo observado correlação entre as variáveis estudadas (p> 0,05).
Conclusão: Este estudo demonstrou que o som não está associado às características dos
corredores, nem a forças de reação ao solo, tempo de apoio e equilíbrio dos corredores.
Um telemóvel com um microfone externo unidirecional mostrou-se uma ferramenta
eficaz na medição da variação de intensidade do som.
Introduction: The incidence of running injuries has remained high and one of the most probable cause are the ground reaction forces. Sound has been empirically used has feedback for gait retraining, and subsequent ground reaction force’s reduction. Prime objective: To assess if there’s a correlation between the sound and kinetic variables during running Secondary Objectives: To assess if there’s a correlation between the sound variables and the runner’s characteristics and the applicability on the measure of the sound’s intensity with a cell phone with an external microphone. Methodology: This was a descriptive-correlational study that had 16 runner, 4 (25%) were female and 12 (75%) were male, they had in average 46.6 ± 12.6 years old and 70.4 ± 12.8 kg of weight. The participants went to CAR in Jamor to sound and kinetic data gathering during running. The sound duration and its intensity, ground reaction forces, contact time, step speed and total variation, average speed and entropy of the centre of pressure were measured. Results: Analysing the results, sound was compared with the runner’s characteristics, kinetic and balance using Spearman’s non parametric test, there was no correlation between the studied variables (p> 0, 05). Conclusion: This study has demonstrated that sound isn’t associated with runner’s characteristics, or the ground reaction forces, contact time and balance. A cell phone with an external microphone proved to be an effective tool to measure sound’s intensity variation.
Introduction: The incidence of running injuries has remained high and one of the most probable cause are the ground reaction forces. Sound has been empirically used has feedback for gait retraining, and subsequent ground reaction force’s reduction. Prime objective: To assess if there’s a correlation between the sound and kinetic variables during running Secondary Objectives: To assess if there’s a correlation between the sound variables and the runner’s characteristics and the applicability on the measure of the sound’s intensity with a cell phone with an external microphone. Methodology: This was a descriptive-correlational study that had 16 runner, 4 (25%) were female and 12 (75%) were male, they had in average 46.6 ± 12.6 years old and 70.4 ± 12.8 kg of weight. The participants went to CAR in Jamor to sound and kinetic data gathering during running. The sound duration and its intensity, ground reaction forces, contact time, step speed and total variation, average speed and entropy of the centre of pressure were measured. Results: Analysing the results, sound was compared with the runner’s characteristics, kinetic and balance using Spearman’s non parametric test, there was no correlation between the studied variables (p> 0, 05). Conclusion: This study has demonstrated that sound isn’t associated with runner’s characteristics, or the ground reaction forces, contact time and balance. A cell phone with an external microphone proved to be an effective tool to measure sound’s intensity variation.
Description
Keywords
corrida som equilíbrio postural forças de reação ao solo biofeedback retreino da corrida