What question did this study set out to answer?

To assess the comparability and interchangeability of the Borg 6-20 RPE and Borg Category-Ratio-10 (CR10) scales during incremental and interval cycling exercise.

January 1, 2019KinesiologyOpen Access

Comparison of rating of perceived exertion scales during incremental and interval exercise

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Why the study?

Data were inadequate regarding the comparability and interchangeability of the two widely used Borg RPE variants, the Borg 6-20 RPE scale and the Borg Category-Ratio-10 scale.

Are the Borg 6-20 RPE scale and Borg Category-Ratio-10 scale comparable and interchangeable during incremental and interval exercise in well-trained non-athletes?

Key Points

To assess the comparability and interchangeability of the Borg 6-20 RPE and Borg Category-Ratio-10 (CR10) scales during incremental and interval cycling exercise.
Well-trained non-athletes completed two incremental cycle ergometer tests using either the Borg 6-20 or Borg CR10 scale in a randomized order.
Participants also performed interval cycling sessions across three workloads (50%, 75%, and 85% of peak power output) with scales presented in a random sequence.
Perceived exertion ratings were correlated against physiological indices, including percentage of heart rate reserve, percentage of VO2 reserve, and blood lactate concentration.
Incremental exercise produced strong correlations between physiological markers and RPE for both the Borg 6-20 and CR10 scales, respectively (% heart rate reserve: r = 0.89 and r = 0.87; % VO2 reserve: r = 0.88 and r = 0.90).
Interval exercise yielded similarly high correlations between physiological strain and RPE for the Borg 6-20 and CR10 scales, respectively (% heart rate reserve: r = 0.85 and r = 0.84; blood lactate concentration: r = 0.74 and r = 0.78).
The relationship between Borg 6-20 and CR10 scales was strongly non-linear for both incremental (R² = 0.89) and interval (R² = 0.89) protocols, displaying virtually overlapping curves.

Structured PICO

Are the Borg 6-20 RPE scale and Borg Category-Ratio-10 scale comparable and interchangeable during incremental and interval exercise in well-trained non-athletes?

Population

Well-trained non-athletes

Intervention

Borg 6-20 RPE scale (BORG-RPE) and Borg Category-Ratio-10 scale (BORG-CR10) used during incremental and interval exercise

Comparator

Each scale compared to the other and to physiological measures

Outcome

Correlation between RPE scales and physiological measures (% heart rate reserve, %VO2reserve, blood lactate concentration), and relationship between the two scalespatient reported

The Borg 6-20 and Borg CR10 RPE scales are both highly correlated with physiological measures of exercise intensity and can be easily converted between each other.

Discussion

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Implication

May support interchangeable use of Borg RPE scales with conversion in trained exercisers; leaves open validation in broader populations and settings.

Cite This Study

Arney et al. (2019) studied this question.

synapsesocial.com/papers/6a70eea3a2d7cf2e39c2bb32 https://doi.org/10.26582/k.51.2.1

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Implication

May support interchangeable use of Borg RPE scales with conversion in trained exercisers; leaves open validation in broader populations and settings.

Comparison of rating of perceived exertion scales during incremental and interval exercise

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Comparison of rating of perceived exertion scales during incremental and interval exercise

Key Points

Structured PICO

Discussion

Implication

Cite This Study

Also Consider

Also Consider