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Associations between physical fitness, body composition, and heart rate variability during exercise in older people: exploring mediating factors.
PeerJ
September 2024
Centro Asistencial Docente e Investigación, Universidad de Magallanes, Punta Arenas, Chile.
Background: Age-related changes in body composition affect physical fitness in older adults. However, whether the autonomic response is associated with body fat percentage and its implication for physical fitness is not fully understood.
Aim: To understand the association between physical fitness, body composition, and heart rate variability in older people and its mediating factors.
Associations of Sedentary Time and Physical Activity From Childhood With Lipids: A 13-Year Mediation and Temporal Study.
J Clin Endocrinol Metab
June 2024
Institute of Public Health and Clinical Nutrition, School of Medicine, Faculty of Health Sciences, University of Eastern Finland, Kuopio 70211, Finland.
Context: Among children, evidence on long-term longitudinal associations of accelerometer-measured sedentary time, light physical activity (LPA), and moderate to vigorous PA (MVPA) with lipid indices are few. The mediating role of body composition and other metabolic indices in these associations remains unclear and whether poor movement behavior precedes altered lipid levels is unknown.
Objective: This study examined the associations of sedentary time, LPA, and MVPA from childhood through young adulthood with increased lipids, the mediating role of body composition, and whether temporal interrelations exist.
Assessment of Intramuscular Fat and Correlation with Body Composition in Patients with Rheumatoid Arthritis and Spondyloarthritis: A Pilot Study.
Nutrients
December 2021
Rheumatology Department, CHU Clermont-Ferrand, 63000 Clermont-Ferrand, France.
Rheumatoid arthritis (RA) and spondyloarthritis (SpA) are associated with changes in body composition. Ectopic intramuscular fat (IMAT) may alter muscle function and contribute to cardiometabolic disorders. In a pilot study, we analyzed IMAT in the calf with peripheral quantitative computed tomography (pQCT) and examined correlations between IMAT quantity and body composition parameters.
View Article and Find Full Text PDFMediastinal Masses, Anesthetic Interventions, and Airway Compression in Adults: A Prospective Observational Study.
Anesthesiology
January 2022
Anesthesiology, University of Virginia, Charlottesville, Virginia.
Background: Central airway occlusion is a feared complication of general anesthesia in patients with mediastinal masses. Maintenance of spontaneous ventilation and avoiding neuromuscular blockade are recommended to reduce this risk. Physiologic arguments supporting these recommendations are controversial and direct evidence is lacking.
View Article and Find Full Text PDFBone Mediated and Moderated the Associations Between Sarcopenic Obesity Indices and Cardiovascular Disease Risk Scores.
Calcif Tissue Int
November 2021
Department of Family Medicine, Busan Paik Hospital, College of Medicine, Inje University, 75, Bokji-ro, Busanjin-gu, Busan, 47392, Republic of Korea.
To evaluate mediation and moderation of bone on the association of sarcopenic obesity (SO) indices using the metabolic load-capacity model with the 10-year cardiovascular disease risk scores (CVDR). In 2905 men and 3622 women (age ≥ 30 years), dual-energy X-ray absorptiometry was used to measure bone indicators [total bone mineral content percentage(TBM%), bone mineral density of femur neck (BMD_FN) and lumbar spines(BMD_LS)], total muscle (TMM) and fat mass (TFM), appendicular skeletal muscle mass (ASM), and truncal fat mass (TrFM). Two SO indices were TMM/TFM and ASM/TrFM.
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