swimming as a form of cardio

[pumpharder]

is swimming a good form of cardio? im thinking of going to the local pool 4 times a week instead of going on the treadmill or elliptical...what do yall think..

 

[liftsiron]

Any activity that gets the heart rate up and keeps it up for a prolonged peroid of time is good cardio.

 

[ronb]

my wifes swims alot. she'd rather do that than get on a treadmill.