Research Topics
| Kong Y ChenSummaryAffiliation: Vanderbilt University Country: USA Publications
Research Grants
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Detail Information
Publications
The technology of accelerometry-based activity monitors: current and futureKong Y Chen
Department of Medicine and Biomedical Engineering, Vanderbilt University, Nashville, TN 37232 2279, USA
Med Sci Sports Exerc 37:S490-500. 2005..This paper reviews accelerometry-based activity monitors, including single-site first-generation devices, emerging technologies, and analytical approaches to predict energy expenditure, with suggestions for further research and development...- Efficiency of walking and stepping: relationship to body fatnessKong Y Chen
Department of Medicine, Vanderbilt University, Nashville, TN 37232 2279, USA
Obes Res 12:982-9. 2004..To determine energetic efficiency of walking and stepping in a heterogeneous normal adult population and its association with body fatness and to assess within- and between-individual variations... - Predicting energy expenditure of physical activity using hip- and wrist-worn accelerometersKong Y Chen
Department of Medicine, Vanderbilt University, Nashville, Tennessee 37232 2279, USA
Diabetes Technol Ther 5:1023-33. 2003..This concept can be extended to develop valid models for the accurate measurement of free-living energy metabolism in clinical populations... - Analysis: Designing footwear for patients with the diabetic footKong Y Chen
Vanderbilt University Medical Center, 1161 21st Avenue, Nashville, TN 37232-2279, USA
Diabetes Technol Ther 7:647-50. 2005 - Distributed lag and spline modeling for predicting energy expenditure from accelerometry in youthLeena Choi
Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
J Appl Physiol 108:314-27. 2010..7 kcal for the TEE, 0.0 +/- 84.2 and 1.3 +/- 104.7 kcal for the PAEE, and -1.1 +/- 97.6 and -0.1 +/- 108.6 MET min for the MET models. We conclude that the DLS approach for accelerometer data improves detailed EE prediction in youth... - Seasonal changes in amount and patterns of physical activity in womenMaciej S Buchowski
Energy Balance Laboratory, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
J Phys Act Health 6:252-61. 2009..Environmental factors including seasonal changes are important to guide physical activity (PA) programs to achieve or sustain weight loss. The goal was to determine seasonal variability in the amount and patterns of free-living PA in women... - Validity of physical activity intensity predictions by ActiGraph, Actical, and RT3 accelerometersMegan P Rothney
Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, USA
Obesity (Silver Spring) 16:1946-52. 2008..This study seeks to determine the capabilities of eight previously published regression equations for three commercially available accelerometers to predict summary measures of daily EE... - Validity of a multisensor armband in estimating 24-h energy expenditure in childrenCindy A Dorminy
Department of Medicine, Vanderbilt University, Nashville, TN 37232, USA
Med Sci Sports Exerc 40:699-706. 2008..Algorithms used to predict EE by these monitors are often based on adult populations and may not be accurate for children... - Use of air displacement plethysmography in the determination of percentage of fat mass in african american childrenAndrea C Buchholz
Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232-2279, USA
Pediatr Res 56:47-54. 2004..Body composition results determined by ADP in children <35 kg should be interpreted with caution... - An artificial neural network model of energy expenditure using nonintegrated acceleration signalsMegan P Rothney
Department of Biomedical Engineering, Vanderbilt University Medical Center, Nashville, Tennessee, USA
J Appl Physiol 103:1419-27. 2007..Further validation is needed to understand the performance of the model for different physical activity types under free-living conditions... - Comparing the performance of three generations of ActiGraph accelerometersMegan P Rothney
Department of Biomedical Engineering, Vanderbilt University, Nashville, TN, USA
J Appl Physiol 105:1091-7. 2008..Furthermore, the algorithms for energy expenditure predictions developed using older 7164 monitors may need to be modified for the GT1M... - Energy expenditure, inflammation, and oxidative stress in steady-state adolescents with sickle cell anemiaSylvie A Akohoue
Center for Nutrition and Department of Family and Community Medicine, Meharry Medical College, Nashville, Tennessee 37208, USA
Pediatr Res 61:233-8. 2007..778; p < 0.001). Low-grade inflammation and increased oxidative stress are present in adolescents with HbSS in the absence of acute crisis, and their markers are correlated with elevated REE... - Body composition and energy metabolism following Roux-en-Y gastric bypass surgeryROBYN A TAMBOLI
Department of Surgery, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
Obesity (Silver Spring) 18:1718-24. 2010..Changes in both LM and FM had an effect on the reduction in SEE (P < 0.001 and P = 0.005, respectively). These studies suggest that loss of LM after RYGB is significant and strategies to maintain LM after surgery should be explored... - Equation to estimate resting energy expenditure in adolescents with sickle cell anemiaMaciej S Buchowski
Center for Nutrition and Department of Family and Community Medicine, Meharry Medical College, Nashville, TN 37208, USA
Am J Clin Nutr 76:1335-44. 2002..Basal energy requirements are higher in adolescents with sickle cell anemia (SCA) than in healthy control subjects. However, no equation is available to accurately predict their energy needs... - Amount of time spent in sedentary behaviors in the United States, 2003-2004Charles E Matthews
Institute for Medicine and Public Health, Department of Medicine, School of Medicine, Vanderbilt University, Nashville, TN 37232 1738, USA
Am J Epidemiol 167:875-81. 2008..These data provide the first objective measure of the amount of time spent in sedentary behavior in the US population and indicate that Americans spend the majority of their time in behaviors that expend very little energy... - Tracking workload in the emergency departmentScott Levin
Vanderbilt University, Department of Biomedical Engineering, 2044 Convent Pl, Nashville, TN 37212, USA
Hum Factors 48:526-39. 2006..The primary objective of this study was to create a methodology for measuring transient levels of physician workload in a live emergency department (ED) environment... - Autonomic contribution to blood pressure and metabolism in obesityCyndya Shibao
Division of Clinical Pharmacology and the Autonomic Dysfunction Center, Vanderbilt University School of Medicine, Nashville, TN 37212, USA
Hypertension 49:27-33. 2007..These results suggest that the sympathetic nervous system could be targeted in the treatment of obesity-associated hypertension... - Bioelectrical impedance vs air displacement plethysmography and dual-energy X-ray absorptiometry to determine body composition in patients with end-stage renal diseasePaul J Flakoll
Department of Surgery, Vanderbilt University Medical Center, Nashville, TN, USA
JPEN J Parenter Enteral Nutr 28:13-21. 2004..Estimates of body water are fundamental for bioelectrical impedance analysis (BIA), which measures electrical resistance to estimate total body water and body composition... - Patterns and energy expenditure of free-living physical activity in adolescents with sickle cell anemiaMaciej S Buchowski
Center for Nutrition and Department of Family and Community Medicine, Meharry Medical College, Nashville, Tennessee 37208, USA
J Pediatr 140:86-92. 2002..Because of a lower PAEE and a higher REE, TEE is similar in adolescents with SCA and healthy adolescents. An association of PAEE with hemoglobin concentration may be a part of an energy saving compensatory mechanism in SCA... - Energy expenditure, body composition, and biochemical indicators in healthy community womenMary A Nies
Wayne State University College of Nursing, Cohn Building, Detroit, MI 48202, USA
Int J Food Sci Nutr 55:237-47. 2004..Methodological improvements may provide better insight into the effects of obesity modulating hormones... - Increased resting energy expenditure in patients with end-stage renal diseaseRoxanna Neyra
Arizona Kidney Disease Center, Phoenix, USA
JPEN J Parenter Enteral Nutr 27:36-42. 2003....
Research Grants
- AUTONOMIC CONTRIBUTION TO ENERGY METABOLISM IN HUMANSKong Chen; Fiscal Year: 2005..Experiences gained from this project and the didactic training will also help me to develop into an independent investigator in biomedical research. ..