heart rate too high? am i burning muscle?

[anavar100]

im trying to cut fat. so im doing some cardio but how much is to much? im doing it about 3-4 times a week for about 45 min.. i usally get my heart rate anywhere between 135-150.. is that too high.. am i burning muscle??

[Flexor]

Identical repost hours later?

I probably shouldn't resurrect this

+1

[S.P.G]

I probably shouldn't resurrect this

+1

Don’t worry about that bro.. according to asterix we are all whores in the workout forum.