Asaka Koizumi

Papers

Total Citations

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About

Asaka Koizumi’s research bridges the physics of sport and biomechanics, with a particular focus on the dynamic interactions between athletes and equipment. Her most-cited work, “A Study of Impact Force on Modern Soccer Balls” (2014, 9 citations), is a landmark investigation into how ball design—specifically surface material and panel number—affects impulsive force during play. Using a custom-built kick-robot equipped with a dynamometer, Koizumi demonstrated that the Cafusa ball produced the smallest maximum impulsive force, while the Jabulani generated a significantly larger impulse than all other balls tested at equivalent velocities. This finding has practical implications for player safety, ball control, and the evolution of soccer equipment. Her precise, robotic approach to measuring impact dynamics showcases her commitment to reproducible, high-fidelity experimentation. Though her citation count is modest, Koizumi’s work is notable for its direct relevance to sports engineering and its potential to influence design standards in professional soccer. Her research exemplifies how careful, controlled measurement can reveal subtle but critical differences in athletic performance and injury risk.