one-repetition maximum

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one-rep·e·ti·tion max·i·mum

(1-RM) (wŭn'rep-ĕ-tish'ŏn mak'si-mŭm)
The maximum amount of weight that can be lifted only once using proper form and technique (typically refers to standard sets of exercise such as bench press, leg press, one-arm curl).
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Thigh muscle volume, handgrip strength, one-repetition maximum upper and lower body strength, and average isokinetic muscle power were evaluated at the beginning of the study, at three months (with the exception of thigh muscle volume), and at the end of the treatment period.
The following dependent variables were assessed to determine training-induced differences based on the two protein groups: one-repetition maximum (1RM) bench press, 1RM leg press, vertical jump, broad jump, 510-5 time, and body composition.
Liking was assessed after the two sample sets and not after one-repetition maximum (1RM) testing as the number of attempts required to attain a 1RM were not consistent neither from one exercise to the next nor from one child to the next.
Leg extension and bench press one-repetition maximum (1-RM) strength for each subject before (Pre) and after (Post) the training program.
This program resulted in significant increases in lower and upper body strength, as measured by a one-repetition maximum (1RM--the maximum weight that can be lifted one time) test, and muscular endurance, as measured by a treadmill test.
Participants started out lifting 50% of their one-repetition maximum.
One favors one-repetition maximum efforts, the other discourages them.
OBJECTIVE AND DESIGN: The objectives of this study were to determine whether: 1) chronic essential amino acid (EAA) supplementation improves postabsorptive muscle protein fractional synthesis rate (FSR), lean body mass (LBM), and one-repetition maximum muscle strength, and androgen receptor and IGF-I muscle protein expression; and 2) the acute anabolic response to EAA ingestion is preserved after a 3-month supplementation period.
The One-Repetition Maximum test (1-RM) is regarded as a popular test for assessing muscular strength (Mayhew et al.