The 4-Hour Body - An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - Timothy Ferriss
As a general guideline, we don't want time under tension for exercise sets to exceed 10 seconds,
as we want to minimize lactic acid production.
Though lactic acid (often felt as muscle "burn") can be helpful in some circumstances, it can
also delay recovery. In cases where athletes need to hit benchmarks in short periods of time,
Barry wants to retain their ability to do the same workout for five straight days.
This approach is not limited to sprinting.9
One nonrunner example is Skyler McKnight, who needed to bench 225 pounds 20 times to be
a starter for the San Jose State football team. There was just one problem: he could only
complete three reps and had three weeks until the test. He had only 15 workout days to make
the mark. Five days a week, he did ve sets of two repetitions with ve minutes' rest between
sets. He increased the weight but did not increase the repetition range.
On test day, he completed 18 reps and, yes, the coach was shocked enough to give him a