Over Training???

[bigsiv]

I don't think you could ever do too much cardio, your muscles would give out first due to lack of oxygen and lactic acid build up. So I guess if your GF was doing too much cardio she would know about it cause she would probably pass out

[Sfla80]

I don't think you could ever do too much cardio, your muscles would give out first due to lack of oxygen and lactic acid build up. So I guess if your GF was doing too much cardio she would know about it cause she would probably pass out

Lol true. Ok thanks.