Folia Medica 63(4): 502-510, doi: 10.3897/folmed.63.e56679
Perceived exertion and energy expenditure during physical activities in healthy young people and older adults
expand article infoOyéné Kossi§, Justine Lacroix, Maxence Compagnat|, Jean Christophe Daviet|, Stéphane Mandigout
‡ Limoges University, Limoges, France§ University of Parakou, Parakou, Benin| Limoges University Hospital, Limoges, France
Open Access
Abstract

Aim: To test the validity of Borg’s 6–20 rating of perceived exertion scale in assessing the exertion intensity over a multi-activity session in young and older adults.
Materials and methods: This cross-sectional study included 56 healthy participants. All participants underwent a single session of activities including working on a computer, treadmill walking, biking, and treadmill running.

Results: Results showed a non-significant correlation between the overall perceived exertion and energy expenditure in young people (Rho=−0.05, p=0.75) and in older adults (Rho=−0.05, p=0.78) for the whole session. However, results showed that older adults perceived significantly higher exertion compared to young people while working on a computer, walking and running, whereas they presented lower energy expenditure while resting and working on a computer.

Conclusions: Combining the perceived exertion method with other commonly used methods to estimate exercise intensity would be recommended for older adults.

Keywords
Borg’s scale, energy expenditure, older adults, physical activity, rating of perceived exertion