Lagally, K. M., Rock, B. J., McCaw, S. T., & Brown, D. D. (2006). Selection of resistance exercise intensity using ratings of perceived exertion from the OMNI-RES. Medicine and Science in Sports and Exercise, 38(5), Supplement abstract 2641.

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This study evaluated the use of ratings of perceived exertion for selecting training intensity during resistance exercise. Women (N = 20) completed a one-repetition maximum (1-RM) test for the chest press and knee extension exercises and were familiarized with the use of the OMNI-Resistance Exercise Scale (OMNI-RES). Ss performed three training sessions over a two-week period. During these sessions, Ss were asked to select weights for the chest press and knee extension exercises that elicited the feelings of exertion associated with OMNI-RES ratings of 3, 6 and 9. Ss were unaware of the weights lifted in all sessions.

The selected weight increased as the rating of perceived exertion increased from 3 to 6 to 9. Intraclass correlation coefficients indicated good reliability for the weights selected at a given rating of perceived exertion across the three sessions.

Implication. OMNI-RES ratings of perceived exertion can be used to select resistance exercise training intensities.

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