Glossary of terms: FTP, NP®, IF®, TSS®, BPM, RPM, Average Power FTP – Functional Threshold Power NP® – Normalized Power IF® – Intensity Factor TSS® – Training Stress Score BPM – Beats Per Minute RPM – Revolutions Per Minute Tagged: bpmFTPifmeaningnprpmtermstss Related Articles How the Workout on the trainer button works? How to plan vacations in an app? Are FTP tests planned in AiTRAINER? Division into periods in AiTRAINER Training zones Recommended HR test