Validation of ActiReg to measure physical activity and energy expenditure against doubly labelled water in obese persons

The British Journal of Nutrition
Bo-Egil HustvedtSerena Tonstad

Abstract

ActiReg is an instrument that uses combined recordings of body position and motion to calculate energy expenditure (EE) and physical activity (PA). The aim of the study was to compare mean total energy expenditure (TEE) measured by ActiReg and doubly labelled water (DLW) in obese subjects. TEE was measured by the DLW method during a period of 14 d in fifty obese men and women with metabolic risk factors. During the same period ActiReg recordings were obtained for 7 d. RMR was measured by indirect calorimetry and also estimated by standardized equations. Because EE may be disproportionately increased in obese subjects during weight-bearing activities, we established a new set of physical activity ratios (PAR). These ratios were based on oxygen uptake measurements during treadmill walking. The mean TEE according to the DLW was 13.94 (sd 2.47) MJ/d. Mean TEE calculated from the ActiReg data and measured RMR was 13.39 (sd 2.26) MJ/d, an underestimation of 0.55 MJ (95 % CI 0.13, 0.98; P = 0.012) or 3.9 %. RMR derived from standard equations based on weight, age and sex were overestimated while the RMR based on fat-free mass values in addition was underestimated. Despite slight underestimation ActiReg may be used to measure TEE in ob...Continue Reading

References

Feb 1, 1990·The American Journal of Clinical Nutrition·M D MifflinY O Koh
Jan 1, 1989·Sozial- Und Präventivmedizin·E Jéquier
Jun 1, 1995·Medicine and Science in Sports and Exercise·G D FosterA M Conill
Jan 1, 1995·Medicine and Science in Sports and Exercise·S B RacetteR F Kushner
Sep 19, 2000·Medicine and Science in Sports and Exercise·B E AinsworthA S Leon
Jun 28, 2001·Medicine and Science in Sports and Exercise·M J Lamonte, B E Ainsworth
Feb 7, 2003·European Journal of Clinical Nutrition·G W Horgan, J Stubbs
Apr 23, 2003·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·F SlindeL Rossander-Hulthén
Apr 16, 2005·Journal of Applied Physiology·Nuala M ByrneYves Schutz
Mar 4, 2006·The British Journal of Nutrition·Mette Svendsen, Serena Tonstad

❮ Previous
Next ❯

Citations

Jan 14, 2009·The British Journal of Nutrition·Jocilyn E Dellava, Daniel J Hoffman
Feb 5, 2009·Journal of Human Nutrition and Dietetics : the Official Journal of the British Dietetic Association·M SvendsenS Tonstad
Jun 3, 2009·Scandinavian Journal of Medicine & Science in Sports·A L BrantsaeterM P Longnecker
Jul 8, 2011·Clinical Nutrition : Official Journal of the European Society of Parenteral and Enteral Nutrition·Richard J E SkipworthUNKNOWN European Palliative Care Research Collaborative (EPCRC)
Dec 7, 2010·Medicine and Science in Sports and Exercise·Nadezhda SazonovaEdward Sazonov
Apr 18, 2020·BMC Psychiatry·Michael GrasdalsmoenBørge Sivertsen
Jun 27, 2020·PloS One·Michael GrasdalsmoenBørge Sivertsen

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.