General
one-rep max
What does one-rep max mean?
The maximum weight you can lift for a single clean repetition with proper form; often abbreviated 1RM.
"His one-rep max on bench finally cracked 100kg."
Origin
Strength-training term used to gauge maximal strength and program percentages.
Frequently asked questions
What is a one-rep max?
It's the heaviest weight you can lift for a single clean repetition with proper form, often written as 1RM.
How do you calculate your one-rep max?
You can test it directly by working up to a top single, or estimate it from a lighter set using a rep-max formula or online calculator.
Is testing your one-rep max safe?
For experienced lifters with a spotter and good form it can be safe, but beginners are usually better off estimating it to reduce injury risk.
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