Indoor rower
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An indoor rower, or rowing machine, is a machine used to simulate the action of watercraft rowing for the purpose of exercise or training for rowing. Modern indoor rowers are known as ergometers becau
Several Concept2 indoor rowers
Gjessing-Nilson rowing ergometer, showing helical pulley and flywheel
GB Pair at Henley 2004
Aerobic exercise
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Aerobic exercise, also known as cardio, is physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process. "Aerobic" is defined as "relating to, involving,
Indoor rower
…Indoor rowers usually also display estimates of rowing boat speed and energy used by the athlete. Rowing is an example of a method of aerobic exercise, which has been observed to improve athletes' VO2 peak. Indoor rowing primarily works the cardiovascular systems with typical workouts consisting of…
Cycling is an aerobic form of exercise.
Athletes training for the 1896 Olympic marathon
A step aerobics exercise instructor motivates her class to keep up the pace.