Learn the results of the 12-day training experiment, including how nutrition, recovery support, and a higher-rep, faster-tempo approach helped break plateaus, boost muscle growth, and deliver a powerful new stimulus for hypertrophy.
Discover the 10 core strength training rules John Paul Catanzaro usually follows—from reps, rest, and tempo to workout duration and recovery—and learn what inspired him to challenge them with an unconventional 12-day training experiment.