How to improve CVF without cardiomaxxing?

[Proman]

I do gcse pe and one of my sports is handball (i didnt pick this low t sport, its compulsory), obv u need ur cvf to be good, but methods running and biking lowers t and is catabolic, is there any other ways to improve cvf or do i jst have to cope w these

 

[SANASAAAAA]

hooly aired nga it only by cardiomaxxing, try hiit it wont decreese ur t and has a chance to increese ur cardio

 

[weepmeep]

clean your blood vessels with meth and vodka