Fig. 3

Boxplots of (A) ball velocity, (B) ball spin rate, (C) horizontal ball arrival location, (D) vertical ball arrival location, (E) horizontal ball release angle, and (F) vertical ball release angle measured with a Doppler radar tracking system. Circles with white spaces are the mean values within participants, and the black circle is the group mean value. * and ** indicate p < 0.05 and p < 0.01, respectively.