Figure 1. Movement phases of a Baseball pitch (Adopted with permission from Rojas et al. 2009, p. 560)

From

Acquisition a Baseball-Pitch through Observation: What Information Is Extracted?

Saeed Ghorbani, Andreas Bund

American Journal of Sports Science and Medicine. 2014, 2(6A), 18-21 doi:10.12691/ajssm-2-6A-5