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One Rep Max Calculator Knowledge Check

Sharpen your one rep max calculator skills with algorithmically generated problems. Each attempt produces unique values to test your formula knowledge.

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Incredible progress! You increased your 1RM from 120 kg to 230 kg. If your training program requires you to lift at 80% of your 1RM, how much extra weight (in kg) do you need to add to the bar now? (Round to 1 decimal place)

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