Table 4. Rating of perceived exertion score equivalences between scales from the categorical linear regression analysis. Rating of perceived exertion OMNI-RES EB scale RPE-AM 1.43 3.55 5.67 7.80 9.92 RPE-OB 1.1 3.2 5.26 7.34 9.41 RISE scale Easy Low Moderate Hard Maximal OMNI-RES EB: OMNI-Resistance perception scale for use with elastic bands (0-10). RISE Scale: Resistance Intensity Scale for Exercise with TheraBand elastic bands. RPE-AM: rating of perceived exertion of the active muscles. RPE-OB: rating of perceived exertion of the overall body.