No, aerobics is best for people who want to make a lot of money from unsuspecting patrons who don’t know any better. One instructor can service 30 clients (probably more) at the same time.
Many people have an emotional attachment to involving the heart and lungs in exercise.
My question is: when was the last time your heart and lungs stopped working?
Answer: never! If you were to monitor respiration and heart rate throughout a typical day, you would see it goes up and down all the time. You can not disinvolve your heart and lungs; they are part and parcel with your muscles.
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