What are we measuring? Considerations on subjective ratings of perceived exertion in obese patients for exercise prescription in cardiac rehabilitation programs

Luca Alessandro Gondoni, Ferruccio Nibbio, Giulia Caetani, Giovanni Augello, Anna Maria Titon

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We sought to describe the differences in exercise prescription in obese subjects using attained METs as compared to the subjective perception of the effort using the Borg scale ratings of perceived exertion (Borg RPE). We studied 552 obese patients who underwent an exercise stress test in the setting of a rehabilitation program. Exercise was prescribed at 70% of peak attained METS. This method was compared to an exercise level prescription that induces a subjective perception of mild fatigue (13 on the 20 points Borg scale). Attained METS were 6.2 ± 2.5 and Borg RPE was 15.2 ± 1.7. Borg RPE was negatively related to intensity and duration of exercise. Females, patient with a lower level of education and patients on diuretics perceived higher efforts. Patients who stopped exercising because of dyspnea or angina reached a lower level of METs (4.7 ± 1.7 vs 6.3 ± 2.7 METs; P <0.001) but the perceived effort was similar (15.5 ± 1.7 vs 15.2 ± 1.7; P = 0.252). The subjective method would have yielded a significantly higher training workload: 5.4 ± 2.3 vs 4.3 ± 1.8 (P <0.001). In conclusion, in obese patients, Borg RPE is not equivalent to attained METs in exercise prescription and it influenced by educational level.

Original languageEnglish
Pages (from-to)236-238
Number of pages3
JournalInternational Journal of Cardiology
Volume140
Issue number2
DOIs
Publication statusPublished - Apr 15 2010

Fingerprint

Prescriptions
Exercise
Exercise Test
Patient Education
Workload
Diuretics
Dyspnea
Fatigue
Rehabilitation
Cardiac Rehabilitation

Keywords

  • Exercise
  • Obesity
  • Rehabilitation

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

What are we measuring? Considerations on subjective ratings of perceived exertion in obese patients for exercise prescription in cardiac rehabilitation programs. / Gondoni, Luca Alessandro; Nibbio, Ferruccio; Caetani, Giulia; Augello, Giovanni; Titon, Anna Maria.

In: International Journal of Cardiology, Vol. 140, No. 2, 15.04.2010, p. 236-238.

Research output: Contribution to journalArticle

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