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The Contribution of Release Parameters to the Accuracy of Basketball Shooting at Various Distances: A Pilot Study

Feng, Zhichen
Chen, Beier
Song, Yu
Abstract
Despite numerous attempts have been made to discover the optimal release conditions for the accurate basketball throws (Tran & Silverberg, 2008), no conclusion can be made due to the complicated interrelation among release parameters, and indefinite configurations of speed, angle, and height at ball release exist to determine the accurate shots. Six male participants participated in a study that required them to perform free throws and 3-point throws continuously at top of the key in a random order, until 10 “swish” shots and 10 “missed” shots were achieved. The ball motion in the sagittal plane was recorded by a GoPro camera in each trial, which were subsequently 2D-tracked to recover the release speed (RS), release angle (RA), and release height (RH) for each shot. A 2-way repeated measure ANOVA was performed on RS, RA, and RH, as well as on the coefficient of variance of them (RScv, RAcv, and RHcv) to examine the effects of distance and accuracy. The results showed that the mean RS and RH were significantly greater for 3-point throws than those for free throws (F1,5 = 1074.93, p<.001, F1,5 = 9.86, p<0.05), however, neither release parameters showed a significant mean difference for accuracy. While the mean RScv remained unchanged with distance and accuracy, RHcv for 3-point throws was greater than that for free throws (F1,5 = 7.51, p<0.05), and the mean RAcv demonstrated a promising interaction between distance and accuracy (F1,5 = 4.11, p=0.09, h2=0.45). The findings suggested that the variability, rather than the fixed value, of release parameters may account for the accuracy of basketball throws, which is conforming to the “solution manifold” strategy proposed by Nakano et al. (2020).
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Date
2024-09-20
Journal Title
Journal ISSN
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Publisher
University of Wyoming Libraries