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What does 1-RM stand for?

1-RM stands for One Repetition Maximum (strength measurement)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

Samples in periodicals archive:

Subjects first performed at a load equivalent of 8 times their one repetition maximum (8RM), followed at mid-week with loads at 6RM, and then finishing their training week at the heaviest load, 4RM.
Use tests such as one repetition maximums (weight training) and fastest 5k time (cardio training) to ensure you are improving.