They're not?
for about 3 hrs
marathon runner, long distant swimmers basically anything that is an endurance event
footballers use the aerobic system for long distance running
Aerobic energy system is used for long durations sports such as a Football And Marathon Running As The Aerobic energy System is used for long distance sport activities and can only be active when oxygen is there.
It can build strength as to doing all the strokes in the medley - especially butterfly. Also builds up stamina for the amount of lengths done, like long distance swimmers will have so much more stamina then short distance swimmers.
The noun 'league' is used as a collective noun for:a league of nationsa league of long distance swimmers
FootBall And Marathon Running As The Aerobic energy System is used for long distance sport activities and can only be active when oxygen is there.
Marcelo Teixeira has written: 'Renata Agondi' -- subject(s): Swimmers, Long distance swimming, Biography
Creatine Phosphate energy system (0-20s) Immediate energy
Glucose.
they keep warm because they put water proof warmers in their swimming caps which warms their whole body