Oh! His heart skipped a beat. And then, right below, in a different pentagon, “Official Soccer Ball—Patented—Licensed—Tested,” and slightly lower still, “No. 3.” But what made ...

The specific aerobic training consisted of four sets of 4 min work periods dribbling a soccer ball around a specially designed track at 90–95% of maximal heart frequency, with a 3 min recovery jog at ...