Notes on metrics, training, and honest measurement. From the team building tensr.fitness.https://tensr.fitness/en-ushttps://tensr.fitness/blog/effective-reps/https://tensr.fitness/blog/effective-reps/A set of 12 where reps 1–7 are warm-ups for reps 8–12. The first seven are heating; the last five are stimulus. Effective reps put a number on which is which.Tue, 28 Apr 2026 00:00:00 GMTvolumehttps://tensr.fitness/blog/impulse/https://tensr.fitness/blog/impulse/'3×10 at 100 lbs' records what you planned. Impulse — force times time, integrated — records what your muscles actually did. The unit volume should have been measured in all along.Tue, 28 Apr 2026 00:00:00 GMTvolumehttps://tensr.fitness/blog/tempo/https://tensr.fitness/blog/tempo/Same load, same reps, double the eccentric — the set TUT changes by 60% and the set looks identical on paper. Tempo is the biggest hypertrophy lever most lifters never measure.Tue, 28 Apr 2026 00:00:00 GMTtempohttps://tensr.fitness/blog/where-the-set-ends/https://tensr.fitness/blog/where-the-set-ends/The set where rep 1 peaks at 400 N and rep 12 peaks at 240. The middle reps were the work. The last three were noise. Decay is not failure — it's the shape that names the load mistake.Tue, 28 Apr 2026 00:00:00 GMTvolumehttps://tensr.fitness/blog/time-under-tension/https://tensr.fitness/blog/time-under-tension/Two lifters do '3×10 at 100 lbs.' One finishes in 90 seconds, one in 220. The integer in your set log can't see the difference. Time under tension can.Mon, 27 Apr 2026 00:00:00 GMTTUT