Complex sentence: Marx's system developed to use a minimum of movement to achieve a maximum of damage to an opponent, very similar to the "maximum efficiency-minimum effort" credo of Aikido, Judo and other arts.
Split into simpler sentences: Marx's system developed to use a minimum of movement to achieve a maximum of damage to an opponent. Very similar to the "maximum efficiency-minimum effort" credo of Aikido, Judo and other arts.