1RM (One Rep Max) is the maximum weight you can lift for one repetition with proper form.

Which 1RM formula is best?

Epley works well for 5-10 reps, Brzycki for 1-5 reps. The average of all three is usually most reliable.

Why calculate percentages?

Training programs set weights as a % of 1RM. For example, 5×5 uses about 80-85% 1RM.

Оценка 1ПМ по формулам Epley, Brzycki и Landers с таблицей процентов.

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