So, which is best: RPE or RIR? Ideally, using both scales ... This approach has you adjust training variables, such as weight and reps, based on daily fluctuations in performance.
RIR is a training method that helps you gauge how ... which is around 67% or so of your 1RM. Use that weight, but only perform sets of 10 reps." For reference, your 1RM is the maximum amount ...