I mean that if you have a jogger who wants to switch to swimming, will he have the same cardio for swimming?
Best Answer: Swimming engages every muscle in the body, whereas running is largely leg-exclusive. A runner's heart and conditioning is probably up to the task of switching to swimming, but his/her arms and back might have some catching-up to do before they are up to the task.






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Swimming engages every muscle in the body, whereas running is largely leg-exclusive. A runner’s heart and conditioning is probably up to the task of switching to swimming, but his/her arms and back might have some catching-up to do before they are up to the task.
The cardio will be similar but he will get much more strength training at the same time while swimming.
Two words:
Michael.
Phelps.
I’ll bet his resting heart rate is about 40.