![]() But, the researchers note, underhand throwing (aka granny style) when attempting to make free throws, can be more effective for players who practice the technique. During play, the action is fast, and there are other players attempting to steal the ball, so there are few if any attempts at underhand throwing. ![]() ![]() One example is throwing a basketball through a basketball net. The approach used can impact accuracy, the researchers note, but there are other factors at play, as well. Humans have two basic ways of throwing-overhand or underhand. In their paper published in the journal Royal Society Open Science, Madhusudhan Venkadesan and Lakshminarayanan Mahadevan describe how they combined physics with observed results to learn which techniques work best in which situations. ()-A pair of researchers with Harvard and Yale Universities has conducted a study of optimal human throwing techniques and found which work best under which conditions. Credit: Royal Society Open Science (2017). Error amplification is quantified by the maximal curvature of the valley of this surface. (c) Deviations away from this curve leads to an error (δxh)2 as a function of ϕ and ω. (b) The curve of launch parameters (ϕ,ω0(ϕ)) given by equation (2.4) that exactly strike the target. The lightly shaded bands shows how uniformly distributed errors in position and velocity propagate the overarm throw is more accurate. ![]() (a) For a given target, there are generally multiple ways to strike it exactly the solid red and green trajectories are two examples using an overarm and underarm style, respectively. Error propagation in throwing depends on the trajectory of the projectile. ![]()
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