Université de Fribourg

Issues in continuous 24-H core body temperature monitoring in humans using an ingestible capsule telemetric sensor

Monnard, Cathriona R. ; Fares, Elie-Jacques ; Calonne, Julie ; Miles-Chan, Jennifer L. ; Montani, Jean-Pierre ; Durrer, Dominique ; Schutz, Yves ; Dulloo, Abdul G.

In: Frontiers in Endocrinology, 2017, vol. 8, p. -

Background: There is increasing interest in the use of pill-sized ingestible capsule telemetric sensors for assessing core body temperature (Tc) as a potential indicator of variability in metabolic efficiency and thrifty metabolic traits. The aim of this study was to investigate the feasibility and accuracy of measuring Tc using the CorTemp® system.Methods: Tc was measured over an average of 20...

Université de Fribourg

Standing economy: does the heterogeneity in the energy cost of posture maintenance reside in differential patterns of spontaneous weight-shifting?

Miles-Chan, Jennifer L. ; Fares, Elie-Jacques ; Berkachy, Redina ; Jacquet, Philippe ; Isacco, Laurie ; Schutz, Yves ; Montani, Jean-Pierre ; Dulloo, Abdul G.

In: European Journal of Applied Physiology, 2017, vol. 117, no. 4, p. 795–807

Due to sedentarity-associated disease risks, there is much interest in methods to increase low-intensity physical activity. In this context, it is widely assumed that altering posture allocation can modify energy expenditure (EE) to impact body-weight regulation and health. However, we have recently shown the existence of two distinct phenotypes pertaining to the energy cost of...

Université de Fribourg

Reliability of low‐power cycling efficiency in energy expenditure phenotyping of inactive men and women

Fares, Elie-Jacques ; Isacco, Laurie ; Monnard, Cathriona R. ; Miles-Chan, Jennifer L. ; Montani, Jean-Pierre ; Schutz, Yves ; Dulloo, Abdul G.

In: Physiological Reports, 2017, vol. 5, no. 9, p. e13233

Standardized approaches to assess human energy expenditure (EE) are well defined at rest and at moderate to high‐intensity exercise, but not at light intensity physical activities energetically comparable with those of daily life (i.e., 1.5–4 times the resting EE, i.e., 1.5–4 METs). Our aim was to validate a graded exercise test for assessing the energy cost of low‐intensity dynamic...

Université de Fribourg

Energy expenditure and substrate oxidation in response to side-alternating whole body vibration across three commonly-used vibration frequencies

Fares, Elie-Jacques ; Charrière, Nathalie ; Montani, Jean-Pierre ; Schutz, Yves ; Dulloo, Abdul G. ; Miles-Chan, Jennifer L.

In: PLOS ONE, 2016, vol. 11, no. 3, p. e0151552

There is increasing recognition about the importance of enhancing energy expenditure (EE) for weight control through increases in low-intensity physical activities comparable with daily life (1.5–4 METS). Whole-body vibration (WBV) increases EE modestly and could present both a useful adjuvant for obesity management and tool for metabolic phenotyping. However, it is unclear whether a...