Definition
The full breakdown. What it is, why it matters, how to use it.
Intensity refers to load, not effort. Lifting at 85% of your 1RM is high intensity regardless of how it feels that day. Intensity and volume have an inverse relationship: you cannot train maximally heavy and maximally voluminous at the same time. Strength programs favor 80–95% intensity; hypertrophy programs favor 65–80%.
Q & A
Real Questions
Question 01
What's the best intensity for muscle growth?
60–85% of 1RM (roughly 6–15 reps). Below 60%, load is too light; above 85%, reps are too low to accumulate sufficient volume.
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Related Terms
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1RM (One-Rep Max)
The maximum weight you can lift for one full repetition with good form.
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Training Volume
The total work performed in a session or week — usually sets × reps × weight.
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RPE (Rate of Perceived Exertion)
A 1–10 scale of how hard a set felt, used to autoregulate training.
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