This cross-sectional cohort study compared ratings of perceived exertion (RPE) using Borg’s 6–20 RPE scale and Category Ratio 10 (CR10) in able-bodied (AB) participants during upper and lower body exercise, and in participants with paraplegia (PARA) and tetraplegia (TETRA) during upper body exercise. A quadratic model best fit the RPE data from both scales, showing a high goodness of fit independent of exercise mode and participant group. While peak VO2 was significantly higher in TETRA, RPE at lactate thresholds (LT1 and LT2) did not differ between groups on either scale. The strong association between the two scales suggests interchangeability, but individual variation limits firm recommendations for using RPE to prescribe homogenous exercise intensity.
Publisher
Spinal Cord
Published On
May 26, 2021
Authors
Michael J. Hutchinson, Ingrid Kouwijzer, Sonja de Groot, Victoria L. Goosey-Tolfrey
Tags
perceived exertion
Borg scale
CR10 scale
exercise intensity
quadratic model
tetraplegia
paraplegia
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