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Motricidade
Print version ISSN 1646-107XOn-line version ISSN 2182-2972
Abstract
VIEIRA, Lucas de Freitas; LUNA, Yasmim Kéllen Siqueira; ARAUJO, Valbério Candido de and SOARES, Ytalo Mota. Analysis of correlation levels between reactive strength index and sprint acceleration in basketball players. Motri. [online]. 2022, vol.18, n.2, pp.288-294. Epub Nov 28, 2022. ISSN 1646-107X. https://doi.org/10.6063/motricidade.27713.
The aim of the present study was to analyze the relationship between the highest value of the Reactive Strength Index (RSI) and sprint acceleration in basketball players. Seven basketball players (age 19 years± 2.16, height 1.85 meters± 0.04, body mass 80.16 kg± 12.20, BMI 24.21 km/m2± 3.33 and practice time 6.28 years± 2.75) at the regional level, from the city of João Pessoa, Paraíba, were evaluated in the reactive strength index and acceleration in the sprint, at 0-10, 0-20 and 10-20 meters, measured by a contact platform and photocells, respectively. Data were analyzed in SPSS 22.0 software quantitatively through mean and standard deviation. The Shapiro-Wilk normality test was used and, after the result of non-normality of the data, the Spearman correlation. Negative and weak correlations were found between RSI and 0-10 meters (r= -0.107, p= 0.819), and negative and moderate correlation between RSI and 0-20 (r= -0.429, p= 0.337) and 10-20 meters (r= -0.214, p= 0.645). It can be concluded that experienced athletes may have a moderate correlation between the highest RSI values and a 20-meter sprint.
Keywords : physical training; muscular strength; basketball.