3
votes
2answers
190 views

Ammonia smell when running?

In my long runs (about 25k) when I finnish the smell of my body is like ammonia, I have read in internet thats because of converting my muscles into energy, so Could I say that my body is not burning ...
4
votes
2answers
971 views

Optimum heart rate for fat loss

I'm trying to figure out what the optimum heart rate should be for cardio exercise to burn fat. According to this website apparently between 60% and 70% is best for fat burning. Is this true?