>does nothing
>>74133394Cardio? They’re kinda fun.
>>74133394It's the 3rd greatest cardio there is behind swimming.
>>74133492whats the first?
>>74133967Sprinting
>>74134084>destroys your knees
>>74134094>barefoot over a grassy slightly inclined hill
>>74133967Sex (Homosexual)
It's great cardio. Lots of people who don't know how to row don't get it and sneer at it, but I used to leave the rower drenched in sweat.