The Philippine Dynamic Arnis (PDA) is a non-profit group and system of Arnis founded by Grandmaster Rogelio H. Galvarole in Lapaz, Iloilo City
It is a sister club to the Philippine Si-Su-Do Philippine (PSSA), a group propagating Shorin-ryu Karate and Sipa Sumbag that was also founded by GM galvarole.
The group was renamed to Lightning Scientific Arnis International-Philippine Dynamic Arnis (LSAI-PDA) after it affiliated with the Lightning Scientific Arnis International (LSAI)-Capiz Chapter of Grandmaster Carlito Ondillo on December 31, 2001.
LSAI-PDA is also affiliated with the Intercontinental Federation of Filipino Martial Arts Schools (IFFMAS) under its President Grandmaster Elmer V. Montoyo.
LSAI-PDA training is at the La Paz Plaza. It is the largest Arnis group practicing at the park