lactic acid system

lactic acid system

old term for anaerobic glycolysis, referring to the production of energy by this metabolic pathway in intensive exercise of duration less than about 2 min, or in the first 40 s or so of less intensive exercise before aerobic metabolism has been fully activated. See also anaerobic exercise.
References in periodicals archive ?
The energy used to run these intervals comes from the ATP-PC system and the lactic acid system.
The purpose of our interval running program is to enhance the ATP-PC system and the lactic acid system.