Drawing inspiration from the Borg Scale (originally used for aerobic exercise), Tuchscherer developed a 1–10 lifting scale based on "Reps in Reserve" (RIR) .
Published in , this manual is famous for revolutionizing the sport of powerlifting by introducing and popularizing autoregulation through the use of RPE (Rate of Perceived Exertion) . The "Story" Behind the Book The Reactive Training Manual_ Developing Y - Mi...
Traditional powerlifting programs used fixed percentages based on a lifter's one-rep max (1RM). Tuchscherer found these ineffective because a lifter's strength fluctuates daily based on sleep, stress, and recovery. Drawing inspiration from the Borg Scale (originally used