I learn at college who makes a workout program in cardio in my last physical education program. We learn something in physical education, you know. I understand my metrics but I know nothing except working with heavy load in force. Actually, this is not a real problem because my muscular development is easy to improve. Moreover, the habit and mind to do is much more important. Howerver, learning asks a lot of time and good reading with critical thinking.

Now, I am oriented from this reading:

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