1
vote
1answer
84 views

losing side and back fat

I run a lot and skip a lot, I also weight lift, I have been losing weight rapidly and I am happy about it. But I really want to loose weight around my side and lower back, it isn't directly my lower ...
3
votes
2answers
235 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
996 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?