K R Westerterp

Summary

Affiliation: Maastricht University
Country: The Netherlands

Publications

  1. ncbi request reprint Daily physical activity and ageing
    K R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Curr Opin Clin Nutr Metab Care 3:485-8. 2000
  2. doi request reprint Physical activity, food intake, and body weight regulation: insights from doubly labeled water studies
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Nutr Rev 68:148-54. 2010
  3. ncbi request reprint Dietary fat oxidation as a function of body fat
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, Netherlands
    Am J Clin Nutr 87:132-5. 2008
  4. ncbi request reprint Water loss as a function of energy intake, physical activity and season
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Br J Nutr 93:199-203. 2005
  5. doi request reprint Physical activity as determinant of daily energy expenditure
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Physiol Behav 93:1039-43. 2008
  6. ncbi request reprint Daily physical activity, aging and body composition
    K R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    J Nutr Health Aging 4:239-42. 2000
  7. pmc Physically active lifestyle does not decrease the risk of fattening
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    PLoS ONE 4:e4745. 2009
  8. ncbi request reprint Physical activity energy expenditure has not declined since the 1980s and matches energy expenditures of wild mammals
    K R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Obes (Lond) 32:1256-63. 2008
  9. ncbi request reprint Dietary fat oxidation as a function of body fat
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Curr Opin Lipidol 20:45-9. 2009
  10. doi request reprint Assessment of physical activity: a critical appraisal
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Eur J Appl Physiol 105:823-8. 2009

Detail Information

Publications121 found, 100 shown here

  1. ncbi request reprint Daily physical activity and ageing
    K R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Curr Opin Clin Nutr Metab Care 3:485-8. 2000
    ..Physical inactivity is an important determinant of disability and mortality risk. Even a recent increase in activity level can have an important effect, although the benefits are also easily lost when the activity level is again reduced...
  2. doi request reprint Physical activity, food intake, and body weight regulation: insights from doubly labeled water studies
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Nutr Rev 68:148-54. 2010
    ..The results of the present literature review indicate that eating less is the most effective method for preventing weight gain, despite the potential for a negative effect on physical activity when a negative energy balance is reached...
  3. ncbi request reprint Dietary fat oxidation as a function of body fat
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, Netherlands
    Am J Clin Nutr 87:132-5. 2008
    ..It is hypothesized that low dietary fat oxidation makes subjects prone to weight gain...
  4. ncbi request reprint Water loss as a function of energy intake, physical activity and season
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Br J Nutr 93:199-203. 2005
    ..In men, water turnover was determined by energy intake and physical activity, while seasonal effects appeared through energy expenditure. Women showed a higher water turnover that was unrelated to physical activity...
  5. doi request reprint Physical activity as determinant of daily energy expenditure
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Physiol Behav 93:1039-43. 2008
    ..Similarly, AEE was reduced during energy restriction and in patients with chronic disease increasing resting energy expenditure. Studies with exercise training showed the reduction is difficult to overcome...
  6. ncbi request reprint Daily physical activity, aging and body composition
    K R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    J Nutr Health Aging 4:239-42. 2000
    ..Physical activity does not seem to affect the age-induced loss of fat-free mass. However, an active life style has positive effects on muscle function and thus is an important determinant of independent living at old age...
  7. pmc Physically active lifestyle does not decrease the risk of fattening
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    PLoS ONE 4:e4745. 2009
    ..The objective was to observe the consequence of the age-associated reduction in physical activity for the maintenance of energy balance as reflected in the fat store of the body...
  8. ncbi request reprint Physical activity energy expenditure has not declined since the 1980s and matches energy expenditures of wild mammals
    K R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Obes (Lond) 32:1256-63. 2008
    ..Obesity results from protracted energy imbalance. Whether this comprises excessive energy intake, lowered physical activity or both, remains disputed...
  9. ncbi request reprint Dietary fat oxidation as a function of body fat
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Curr Opin Lipidol 20:45-9. 2009
    ..Is trafficking of dietary fat involved in the development of obesity?..
  10. doi request reprint Assessment of physical activity: a critical appraisal
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Eur J Appl Physiol 105:823-8. 2009
    ....
  11. ncbi request reprint Validity of the assessment of dietary intake: problems of misreporting
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Curr Opin Clin Nutr Metab Care 5:489-93. 2002
    ..Bias in the assessment of dietary intake was analysed from studies comparing reported intake with doubly labelled water assessed energy expenditure...
  12. ncbi request reprint Physical activity and parameters of aging: a physiological perspective
    K R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    J Gerontol A Biol Sci Med Sci 56:7-12. 2001
    ..However, training might delay the age-induced impairment of personal mobility associated with a reduction in physical activity...
  13. ncbi request reprint Impacts of vigorous and non-vigorous activity on daily energy expenditure
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Proc Nutr Soc 62:645-50. 2003
    ..Exercise training, as a form of high-intensity activity, affects the physical activity level more in younger subjects than in elderly subjects...
  14. ncbi request reprint Alcohol energy intake and habitual physical activity in older adults
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Br J Nutr 91:149-52. 2004
    ..In conclusion, it was shown that subjects with higher alcohol consumption are habitually more active. This may explain the lack of increasing body weight through additional energy intake from alcohol...
  15. ncbi request reprint Body composition, water turnover and energy turnover assessment with labelled water
    K R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Proc Nutr Soc 58:945-51. 1999
    ..5 times resting energy expenditure. Devices for the assessment of physical activity validated using labelled water allow the study of activity patterns and strategies to influence the activity level of a sedentary society...
  16. ncbi request reprint Physical activity in confined conditions as an indicator of free-living physical activity
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Obes Res 11:865-8. 2003
    ..Activity energy expenditure is the most variable component of total energy expenditure. It was assessed whether the physical activity level in confined conditions is an indicator of free-living physical activity...
  17. ncbi request reprint Physical activity and human energy expenditure
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Curr Opin Clin Nutr Metab Care 7:607-13. 2004
    ..Applications of the two techniques are illustrated with the limits of physical activity and energy expenditure and with activity intensity as a determinant of the physical activity level...
  18. ncbi request reprint Alterations in energy balance with exercise
    K R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Am J Clin Nutr 68:970S-974S. 1998
    ..Exercise induces an increase in fat-free mass, especially in women, and a decrease in fat mass. Women tend to preserve energy balance and consequently loss of fat mass is significantly less...
  19. ncbi request reprint Body mass regulation at altitude
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Eur J Gastroenterol Hepatol 18:1-3. 2006
    ..Intestinal malabsorption probably does not play a role in the energy deficit. Even though the sensation of exertion during climbing at high altitude is intense, the actual energy expenditure is not high...
  20. ncbi request reprint Obesity and physical activity
    K R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Int J Obes Relat Metab Disord 23:59-64. 1999
    ....
  21. ncbi request reprint Perception, passive overfeeding and energy metabolism
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Physiol Behav 89:62-5. 2006
    ..However, there is still little evidence for this form of adaptive thermogenesis from additional studies. The conclusion is that the fat content has an effect on body fat as a function of the effect of dietary fat on energy intake...
  22. ncbi request reprint Assessment of physical activity level in relation to obesity: current evidence and research issues
    K R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Med Sci Sports Exerc 31:S522-5. 1999
    ..Validations of methods for the assessment of physical activity and studies on the relation between energy expenditure of activity and obesity were reviewed, with suggestions for further research...
  23. ncbi request reprint Operation Everest III: energy and water balance
    K R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Pflugers Arch 439:483-8. 2000
    ..Overall insensible water loss was unchanged because the increase in respiratory evaporative water loss was counterbalanced by a decrease in metabolic rate that probably limited the hypoxia-induced increase in ventilation...
  24. ncbi request reprint Changes in fat oxidation in response to a high-fat diet
    P Schrauwen
    Department of Human Biology, Maastricht University, Netherlands
    Am J Clin Nutr 66:276-82. 1997
    ..05), reaching a new balance on day 13, 7 d afterward. In conclusion, when in energy balance, lean subjects are capable of adjusting fat oxidation to fat intake within 7 d of when dietary fat content is increased...
  25. ncbi request reprint Energy expenditure at rest and during sleep in children with Prader-Willi syndrome is explained by body composition
    E A van Mil
    Departments of Human Biology, Pediatrics, Clinical Genetics, and Methodology and Statistics, Maastricht University, Maastricht, Netherlands
    Am J Clin Nutr 71:752-6. 2000
    ..Obesity in Prader-Willi syndrome (PWS) seems to be related to a low basal metabolic rate (BMR). In addition, abnormal sleep patterns reported in PWS might affect sleeping metabolic rate (SMR)...
  26. pmc Energy metabolism in relation to body composition and gender in adolescents
    E G van Mil
    Departments of Human Biology and Paediatrics, Nutrition Toxicology and Environment Research Institute Maastricht, Maastricht University, PO Box 616, Maastricht 6200 MD, Netherlands
    Arch Dis Child 85:73-8. 2001
    ..To study the effect of body composition on average daily metabolic rate (ADMR) and basal metabolic rate (BMR) in adolescence, and to examine current BMR prediction equations...
  27. ncbi request reprint Use of a triaxial accelerometer to validate reported food intakes
    A H Goris
    Departments of Human Biology and Methodology and Statistics, Maastricht University, Maastricht, Netherlands
    Am J Clin Nutr 73:549-53. 2001
    ..An easy and cheap method for validating reported energy intake (EI) is needed...
  28. ncbi request reprint Postabsorptive respiratory quotient and food quotient-an analysis in lean and obese men and women
    A H Goris
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Eur J Clin Nutr 54:546-50. 2000
    ..The aim of the current study was to assess whether postabsorptive respiratory quotient (RQ) is indicative for the food quotient (FQ), with other factors, such as body composition and energy balance, taken into account...
  29. ncbi request reprint Activity related energy expenditure in children and adolescents with Prader-Willi syndrome
    E G van Mil
    Department of Human Biology, Maastricht University, The Netherlands
    Int J Obes Relat Metab Disord 24:429-34. 2000
    ..To measure activity related energy expenditure in Prader-Willi syndrome (PWS) corrected for body size...
  30. ncbi request reprint Measurement of longitudinal changes in body composition during weight loss and maintenance in overweight and obese subjects using air-displacement plethysmography in comparison with the deuterium dilution technique
    G Plasqui
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Obes (Lond) 35:1124-30. 2011
    ..Air-displacement plethysmography (ADP) may be a valid and practical technique to assess body composition in a clinical setting...
  31. doi request reprint Aspects of activity behavior as a determinant of the physical activity level
    A G Bonomi
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Scand J Med Sci Sports 22:139-45. 2012
    ..05). In conclusion, there is objective evidence that sedentary time and activities related to transportation and commuting, such as walking and bicycling, contribute significantly to the average PAL...
  32. ncbi request reprint Improved reporting of habitual food intake after confrontation with earlier results on food reporting
    A H Goris
    Department of Human Biology, Maastricht University, The Netherlands
    Br J Nutr 83:363-9. 2000
    ..In conclusion, in the studied group of highly motivated lean women, under-reporting of habitual food intake (here due to under-eating) could be eliminated by confrontation with the results of this phenomenon...
  33. ncbi request reprint Undereating and underrecording of habitual food intake in obese men: selective underreporting of fat intake
    A H Goris
    Department of Human Biology, Maastricht University, Netherlands
    Am J Clin Nutr 71:130-4. 2000
    ..Underreporting of food intake is common in obese subjects...
  34. ncbi request reprint Exercise training and oxidative stress in the elderly as measured by antipyrine hydroxylation products
    E P Meijer
    Department of Human Biology, Nutrition and Toxicology Research Institute Maastricht NUTRIM, Maastricht University, P O Box 616, 6200 MD Maastricht, The Netherlands
    Free Radic Res 35:435-43. 2001
    ..Despite the fact that training in elderly humans improves functional capacity, it appears not to compromise antioxidant defense mechanisms...
  35. ncbi request reprint Limits to sustainable human metabolic rate
    K R Westerterp
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    J Exp Biol 204:3183-7. 2001
    ..Thus, trained subjects climbing Mount Everest reached PAL values of 2.0-2.7, well below the observed upper limit at sea level...
  36. doi request reprint Presence or absence of carbohydrates and the proportion of fat in a high-protein diet affect appetite suppression but not energy expenditure in normal-weight human subjects fed in energy balance
    Margriet A B Veldhorst
    Department of Human Biology, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, PO Box 616, 6200 MD Maastricht, The Netherlands
    Br J Nutr 104:1395-405. 2010
    ..In conclusion, appetite suppression and fat oxidation were higher on a high-protein diet without than with carbohydrates exchanged for fat. Energy expenditure was not affected by the carbohydrate content of a high-protein diet...
  37. ncbi request reprint Effect of protein source and quantity on protein metabolism in elderly women
    D L Pannemans
    Department of Human Biology, Maastricht University, The Netherlands
    Am J Clin Nutr 68:1228-35. 1998
    ....
  38. ncbi request reprint Increase in fat oxidation on a high-fat diet is accompanied by an increase in triglyceride-derived fatty acid oxidation
    P Schrauwen
    Department of Human Biology, Maastricht University, The Netherlands
    Diabetes 49:640-6. 2000
    ....
  39. ncbi request reprint Daily physical activity assessment: comparison between movement registration and doubly labeled water
    C V Bouten
    Department of Human Biology, University of Limburg, Maastricht, The Netherlands
    J Appl Physiol (1985) 81:1019-26. 1996
    ..85), and "high" (PAL > 1.85) intensity. It is concluded that the Tracmor can be used in free-living subjects to distinguish among interindividual as well as intraindividual levels of daily physical activity...
  40. ncbi request reprint No long-term weight maintenance effects of gelatin in a supra-sustained protein diet
    A Hochstenbach-Waelen
    NUTRIM School for Nutrition, Toxicology and Metabolism, Department of Human Biology, Maastricht University Medical Centre, PO Box 616, 6200 MD Maastricht, The Netherlands
    Physiol Behav 101:237-44. 2010
    ..In conclusion, all 3 diets resulted in a successful WM period, while a GMP diet does not improve body weight maintenance and related variables after weight loss compared with a SMP and SSMP diet...
  41. doi request reprint Metabolic adaptations to over--and underfeeding--still a matter of debate?
    K R Westerterp
    Department of Human Biology, Maastricht University Medical Centre, Maastricht, The Netherlands
    Eur J Clin Nutr 67:443-5. 2013
    ..The latter might be one of the explanations for the increasing incidence of obesity in our current society with an ample food supply...
  42. ncbi request reprint Body composition is associated with physical activity in daily life as measured using a triaxial accelerometer in both men and women
    M den Hoed
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Obes (Lond) 32:1264-70. 2008
    ..Objective:To determine whether body composition is related to physical activity in both men and women...
  43. doi request reprint Body composition in 10-13-year-old children: a comparison between air displacement plethysmography and deuterium dilution
    G Plasqui
    Department of Human Biology, Maastricht University, MD, Maastricht, The Netherlands
    Int J Pediatr Obes 4:397-404. 2009
    ..The aim of this study was to compare ADP with deuterium dilution and to investigate the effect of using child-specific prediction equations to correct raw body volume from ADP for thoracic gas volume (TGV) and body surface area (BSA)...
  44. ncbi request reprint Effects of discontinuation of growth hormone treatment on body composition and metabolism
    W J Gerver
    Department of Paediatrics, Maastricht University, The Netherlands
    Horm Res 53:215-20. 2000
    ..The fact that this correlation exists poses the interesting question of whether the results from a test treatment lasting some weeks could be used to predict the long-term effects of hGH...
  45. ncbi request reprint The role of high-fat diets and physical activity in the regulation of body weight
    P Schrauwen
    Department of Human Biology, Maastricht University, The Netherlands
    Br J Nutr 84:417-27. 2000
    ..In conclusion, the increased intake of dietary fat and a decreasing physical activity level are the most important environmental factors explaining the increased prevalence of obesity in westernized societies...
  46. ncbi request reprint Physical inactivity as a determinant of the physical activity level in the elderly
    E P Meijer
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Obes Relat Metab Disord 25:935-9. 2001
    ..Data was compared with previously obtained data from a group of younger adults...
  47. ncbi request reprint Repeated measurement of habitual food intake increases under-reporting and induces selective under-reporting
    A H Goris
    Department of Human Biology, Maastricht University, The Netherlands
    Br J Nutr 85:629-34. 2001
    ..The effect of interventions (dietary or otherwise) on habitual food intake might be confounded by changes in food-reporting behaviour...
  48. doi request reprint The PPARgamma ligand rosiglitazone influences triacylglycerol metabolism in non-obese males, without increasing the transcriptional activity of PPARgamma in the subcutaneous adipose tissue
    Annemiek M C P Joosen
    Department of Molecular Genetics, Maastricht University, P O Box 616, 6200 MD Maastricht, The Netherlands
    Br J Nutr 99:487-93. 2008
    ..These results suggest that in healthy, non-obese males the PPARgamma ligand RSG influences TAG metabolism, independent of its PPARgamma transcriptional activity in the subcutaneous adipose tissue...
  49. ncbi request reprint Dietary protein, weight loss, and weight maintenance
    M S Westerterp-Plantenga
    Department of Human Biology, NUTRIM, Faculty of Health, Medicine, and Life Sciences, Maastricht University, Maastricht, The Netherlands
    Annu Rev Nutr 29:21-41. 2009
    ..e., sustaining satiety and energy expenditure and sparing fat-free mass, resulting in energy inefficiency. However, the long-term relationship between net protein synthesis and sparing fat-free mass remains to be elucidated...
  50. ncbi request reprint How much physical activity is enough to prevent unhealthy weight gain? Outcome of the IASO 1st Stock Conference and consensus statement
    W H M Saris
    Nutrition and Toxicology Research Institute, Maastricht NUTRIM, University of Maastricht, Department of Human Biology, Maastricht, The Netherlands
    Obes Rev 4:101-14. 2003
    ..Settings in which these environmental changes can be implemented include the urban and transportation infrastructure, schools, and workplaces.'..
  51. ncbi request reprint Antioxidant supplementation and exercise-induced oxidative stress in the 60-year-old as measured by antipyrine hydroxylates
    E P Meijer
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Br J Nutr 86:569-75. 2001
    ..In conclusion, in 60-year-old subjects antioxidant supplementation had no effect on the exercise-induced increase in oxidative stress as measured by free radical products of antipyrine...
  52. ncbi request reprint Energy, substrate and protein metabolism in morbid obesity before, during and after massive weight loss
    W G van Gemert
    Departments of Surgery and Human Biology, University Hospital Maastricht, PO Box 5800, 6202 AZ, Maastricht, The Netherlands
    Int J Obes Relat Metab Disord 24:711-8. 2000
    ..To investigate the effect of surgically induced weight loss on energy, substrate and protein metabolism of morbidly obese patients...
  53. ncbi request reprint Metabolic efficiency and energy expenditure during short-term overfeeding
    Annemiek M C P Joosen
    Department of Human Biology, Maastricht University, P O Box 616 6200 MD Maastricht, The Netherlands
    Physiol Behav 85:593-7. 2005
    ..To investigate whether efficiency of weight gain during a short period of overfeeding is related to adaptive differences in basal metabolic rate (BMR) and physical activity...
  54. ncbi request reprint Body-weight change during over- and underfeeding as an indicator of adaptive thermogenesis
    Klaas R Westerterp
    Department of Human Biology, Maastricht University, The Netherlands
    Br J Nutr 92:541-2; discussion 542-4. 2004
  55. doi request reprint Improving assessment of daily energy expenditure by identifying types of physical activity with a single accelerometer
    A G Bonomi
    Department of Human Biology, Maastricht University, 6200 MD Maastricht, The Netherlands
    J Appl Physiol (1985) 107:655-61. 2009
    ..Future studies could develop models to objectively assess activity type and intensity to further increase accuracy of the energy expenditure estimation...
  56. ncbi request reprint Estimating changes in daily physical activity levels over time: implication for health interventions from a novel approach
    N Vogels
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Sports Med 25:607-10. 2004
    ..For the prevention and treatment of obesity an increase in physical activity is necessary, because (long-term) weight loss or weight maintenance is unlikely to occur when people are as sedentary as most people are today...
  57. ncbi request reprint The influence of protein intake on vitamin B-6 metabolism differs in young and elderly humans
    D L Pannemans
    Department of Human Biology, University of Limburg, Maastricht, The Netherlands
    J Nutr 124:1207-14. 1994
    ..Plasma pyridoxal and plasma total vitamin B-6 concentrations were not influenced by the amount of protein intake in young and elderly subjects.(ABSTRACT TRUNCATED AT 250 WORDS)..
  58. ncbi request reprint Body composition in Prader-Willi syndrome compared with nonsyndromal obesity: Relationship to physical activity and growth hormone function
    E G van Mil
    Department of Human Biology, Maastricht University, The Netherlands
    J Pediatr 139:708-14. 2001
    ..Both findings are related to GH function and physical activity. BMD, especially in the limbs, tends to be reduced in patients with PWS and is related to GH function...
  59. ncbi request reprint Energy and water balance at high altitude
    K R Westerterp
    Department of Human Biology, Maastricht University, 6200 MD Maastricht, The Netherlands
    News Physiol Sci 16:134-7. 2001
    ..Altitude-induced weight loss is mainly caused by malnutrition due to hypoxia-related satiety, independent of acute mountain sickness...
  60. doi request reprint Estimating activity-related energy expenditure under sedentary conditions using a tri-axial seismic accelerometer
    Vincent T van Hees
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Obesity (Silver Spring) 17:1287-92. 2009
    ..70, P<0.001) subjects. The explained variation in AEE by the model was higher than the explained variation by MI alone. This shows that a tri-axial seismic accelerometer is a valid tool for estimating AEE under sedentary conditions...
  61. doi request reprint Daily physical activity assessment with accelerometers: new insights and validation studies
    G Plasqui
    Human Biology Department, NUTRIM School for Nutrition, Toxicology and Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands
    Obes Rev 14:451-62. 2013
    ..So far, there is little evidence that adding other physiological measures such as heart rate significantly improves the estimation of energy expenditure...
  62. doi request reprint Advances in physical activity monitoring and lifestyle interventions in obesity: a review
    A G Bonomi
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Obes (Lond) 36:167-77. 2012
    ....
  63. ncbi request reprint Appetite at "high altitude" [Operation Everest III (Comex-'97)]: a simulated ascent of Mount Everest
    M S Westerterp-Plantenga
    Maastricht University, Maastricht, The Netherlands
    J Appl Physiol (1985) 87:391-9. 1999
    ..We conclude that exposure to hypobaric hypoxia per se appears to be associated with a change in the attitude toward eating and with a decreased appetite and food intake...
  64. doi request reprint Skeletal muscle fiber-type distribution and habitual physical activity in daily life
    M den Hoed
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Scand J Med Sci Sports 19:373-80. 2009
    ..06 and P<0.01, respectively). In conclusion, Muscle(FTD) probably cannot explain why some people are more prone to engaging in physical activities than others...
  65. ncbi request reprint Daily physical activity counts vs structured activity counts in lean and overweight Dutch children
    N Vogels
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Physiol Behav 92:611-6. 2007
    ....
  66. ncbi request reprint Exercise-induced oxidative stress in older adults as a function of habitual activity level
    Erwin P Meijer
    Department of Human Biology, Maastricht University, The Netherlands
    J Am Geriatr Soc 50:349-53. 2002
    ..Therefore, we assessed exercise-induced oxidative stress in relation to habitual physical activity level (PAL) in older adults...
  67. ncbi request reprint Energy balance in depleted ambulatory patients with chronic obstructive pulmonary disease: the effect of physical activity and oral nutritional supplementation
    Annelies H C Goris
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Br J Nutr 89:725-31. 2003
    ..These results suggest that knowledge about the individual physical activity level is necessary for the estimation of the energy need of the COPD patient...
  68. ncbi request reprint SNP analyses of postprandial responses in (an)orexigenic hormones and feelings of hunger reveal long-term physiological adaptations to facilitate homeostasis
    M den Hoed
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Int J Obes (Lond) 32:1790-8. 2008
    ..The postprandial responses in (an)orexigenic hormones and feelings of hunger are characterized by large inter-individual differences. Food intake regulation was shown earlier to be partly under genetic control...
  69. ncbi request reprint Physical activity levels in children and adolescents
    M B Hoos
    Department of Pediatrics, University of Maastricht, The Netherlands
    Int J Obes Relat Metab Disord 27:605-9. 2003
    ..Reference data for physical activity level (PAL) and activity-related energy expenditure (AEE) are needed for a better understanding of the effect of activity on childhood health, growth and development..
  70. ncbi request reprint Physical activity as measured by accelerometry in children receiving growth hormone
    M B Hoos
    Department of Paediatrics, University of Maastricht, Maastricht, The Netherlands
    Acta Paediatr 93:1307-11. 2004
    ..In the present study, activity patterns of GH-treated children were measured and compared to those of healthy controls...
  71. ncbi request reprint Physical activity pattern of children assessed by triaxial accelerometry
    M B Hoos
    Department of Pediatrics, University of Maastricht, The Netherlands
    Eur J Clin Nutr 58:1425-8. 2004
    ..Accelerometry was used to assess the relationship between the physical activity level (PAL) and time spent on activities of various intensities in children...
  72. ncbi request reprint Intra-individual variation of basal metabolic rate and the influence of daily habitual physical activity before testing
    Mirjam P E Adriaens
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Br J Nutr 90:419-23. 2003
    ..For this purpose, however, non-fasting subjects must be excluded and a regular function check of the ventilated-hood system is recommendable...
  73. ncbi request reprint Measuring free-living energy expenditure and physical activity with triaxial accelerometry
    Guy Plasqui
    Department of Human Biology, Maastricht University, 6200 MD Maastricht, The Netherlands
    Obes Res 13:1363-9. 2005
    ..To investigate the ability of a newly developed triaxial accelerometer to predict total energy expenditure (EE) (TEE) and activity-related EE (AEE) in free-living conditions...
  74. doi request reprint Habitual physical activity in daily life correlates positively with markers for mitochondrial capacity
    Marcel den Hoed
    Department of Human Biology, Maastrict University, Maastricht, The Netherlands
    J Appl Physiol (1985) 105:561-8. 2008
    ..Thus an active lifestyle may help to maintain or improve mitochondrial capacity...
  75. doi request reprint Comparison of the effects of a high- and normal-casein breakfast on satiety, 'satiety' hormones, plasma amino acids and subsequent energy intake
    Margriet A B Veldhorst
    Department of Human Biology, Nutrition and Toxicology Research Institute Maastricht, Maastricht University, PO Box 616, Maastricht 6200 MD, The Netherlands
    Br J Nutr 101:295-303. 2009
    ....
  76. doi request reprint Low resting energy expenditure in Asians can be attributed to body composition
    Mirjam P E Wouters-Adriaens
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Obesity (Silver Spring) 16:2212-6. 2008
    ..To compare resting energy expenditure (REE) between Asians and whites after adjusting for fat-free mass measured with a two- or more-compartment model...
  77. doi request reprint Single-protein casein and gelatin diets affect energy expenditure similarly but substrate balance and appetite differently in adults
    Ananda Hochstenbach-Waelen
    Department of Human Biology, Nutrition and Toxicology, Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
    J Nutr 139:2285-92. 2009
    ..In addition, long-term use of casein may contribute to preservation of fat-free mass...
  78. ncbi request reprint Acute effects of breakfasts containing alpha-lactalbumin, or gelatin with or without added tryptophan, on hunger, 'satiety' hormones and amino acid profiles
    Arie G Nieuwenhuizen
    Department of Human Biology, Nutrition and Toxicology Research Institute Maastricht, Maastricht University, PO Box 616, Maastricht 6200 MD, The Netherlands
    Br J Nutr 101:1859-66. 2009
    ..This cannot be explained by (possible) differences found in TRP concentrations and TRP:LNAA ratios in the breakfasts and in plasma, as well as in circulating total amino acids, GLP-1 and ghrelin...
  79. ncbi request reprint Effects of complete whey-protein breakfasts versus whey without GMP-breakfasts on energy intake and satiety
    Margriet A B Veldhorst
    Dept of Human Biology, Nutrition and Toxicology Research Institute Maastricht, Maastricht University, P O Box 616, 6200 MD, Maastricht, The Netherlands
    Appetite 52:388-95. 2009
    ....
  80. ncbi request reprint Postprandial responses in hunger and satiety are associated with the rs9939609 single nucleotide polymorphism in FTO
    Marcel den Hoed
    Department of Human Biology, Maastricht University, Maastricht, Netherlands
    Am J Clin Nutr 90:1426-32. 2009
    ..The common rs9939609 single nucleotide polymorphism (SNP) in the fat mass and obesity-associated (FTO) gene is associated with adiposity, possibly by affecting satiety responsiveness...
  81. doi request reprint Detection of type, duration, and intensity of physical activity using an accelerometer
    Alberto G Bonomi
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Med Sci Sports Exerc 41:1770-7. 2009
    ..The aim of this study was to develop models for the detection of type, duration, and intensity of human physical activity using one triaxial accelerometer...
  82. ncbi request reprint Effects of high and normal soyprotein breakfasts on satiety and subsequent energy intake, including amino acid and 'satiety' hormone responses
    Margriet A B Veldhorst
    Dept of Human Biology Nutrition and Toxicology Research Institute NUTRIM, Maastricht University, P O Box 616, 6200 MD, Maastricht, The Netherlands
    Eur J Nutr 48:92-100. 2009
    ..The role of dietary protein in short term satiety is of interest with respect to body weight regulation...
  83. doi request reprint Comparison of 2 diets with either 25% or 10% of energy as casein on energy expenditure, substrate balance, and appetite profile
    Ananda Hochstenbach-Waelen
    Department of Human Biology, Nutrition and Toxicology Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
    Am J Clin Nutr 89:831-8. 2009
    ..An increase in the protein content of a diet results in an increase in satiety and energy expenditure. It is not clear to what extent a specific type of protein has such effects...
  84. doi request reprint A breakfast with alpha-lactalbumin, gelatin, or gelatin + TRP lowers energy intake at lunch compared with a breakfast with casein, soy, whey, or whey-GMP
    Margriet A B Veldhorst
    Department of Human Biology of the Nutrition and Toxicology Research Institute Maastricht, Maastricht University, P O Box 616, 6200 MD, Maastricht, The Netherlands
    Clin Nutr 28:147-55. 2009
    ....
  85. ncbi request reprint Using a correction factor to correct for overreporting in a food-frequency questionnaire does not improve biomarker-assessed validity of estimates for fruit and vegetable consumption
    Rik P Bogers
    Department of Epidemiology, Maastricht University, The Netherlands
    J Nutr 133:1213-9. 2003
    ....
  86. doi request reprint Gluconeogenesis and energy expenditure after a high-protein, carbohydrate-free diet
    Margriet A B Veldhorst
    NUTRIM School for Nutrition, Toxicology and Metabolism, Department of Human Biology, Maastricht University Medical Centre, Netherlands
    Am J Clin Nutr 90:519-26. 2009
    ..High-protein diets have been shown to increase energy expenditure (EE)...
  87. ncbi request reprint Dose-dependent satiating effect of whey relative to casein or soy
    Margriet A B Veldhorst
    Department of Human Biology of the Nutrition, Toxicology Research Institute Maastricht, Maastricht University, P O Box 616, Maastricht 6200 MD, The Netherlands
    Physiol Behav 96:675-82. 2009
    ..The results suggest that a difference in appetite ratings between types of protein appears when certain amino acids are above and below particular threshold values...
  88. ncbi request reprint Short-term effects of growth hormone on body composition as a predictor of growth
    Marije B Hoos
    Department of Pediatrics, University of Maastricht, 6202 AZ Maastricht, The Netherlands
    J Clin Endocrinol Metab 88:2569-72. 2003
    ..Maximum GH concentrations found during endocrine tests were not significantly different between good and poor responders. Changes in body composition data, after 6 wk, proved valuable in identifying good responders to GH therapy...
  89. ncbi request reprint Seasonal variation in total energy expenditure and physical activity in Dutch young adults
    Guy Plasqui
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Obes Res 12:688-94. 2004
    ..The impact of season on energy expenditure and physical activity is not well quantified. This study focused on summer-winter differences in total energy expenditure (TEE) and physical activity...
  90. ncbi request reprint Reproducibility, validity, and responsiveness to change of a short questionnaire for measuring fruit and vegetable intake
    Rik P Bogers
    Department of Epidemiology, Maastricht University, Maastricht, The Netherlands
    Am J Epidemiol 159:900-9. 2004
    ..However, the validity of the questionnaire remains to be established in males, other age groups, and populations of lower educational levels...
  91. ncbi request reprint The effects of 6 months of increased water intake on blood sodium, glomerular filtration rate, blood pressure, and quality of life in elderly (aged 55-75) men
    Mark G Spigt
    Department of General Practice, Research Institute Caphri, Maastricht University, Maastricht, The Netherlands
    J Am Geriatr Soc 54:438-43. 2006
    ..To study whether there are any negative or positive effects of 6 months of increased fluid intake in reasonably healthy elderly men...
  92. ncbi request reprint Basal metabolic rate as a proxy for overnight energy expenditure: the effect of age
    Mirjam P E Wouters-Adriaens
    Department of Human Biology, Maastricht University, PO Box 616, 6200 MD Maastricht, The Netherlands
    Br J Nutr 95:1166-70. 2006
    ..06 (SD 0.09) for elderly which was also different from 1.00 (P<0.001). For adults, BMR is an appropriate measure of OMR. In children, the use of BMR to estimate OMR would introduce an overestimate and for elderly an underestimate...
  93. ncbi request reprint Genetic analysis of physical activity in twins
    Annemiek M C P Joosen
    Department of Human Biology, Maastricht University, Maastricht, Netherlands
    Am J Clin Nutr 82:1253-9. 2005
    ..A genetic control of activity-induced energy expenditure (AEE) may contribute to a genetic susceptibility to obesity...
  94. ncbi request reprint Obesity and thermogenesis related to the consumption of caffeine, ephedrine, capsaicin, and green tea
    Kristel Diepvens
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Am J Physiol Regul Integr Comp Physiol 292:R77-85. 2007
    ..Furthermore, the sympathetic nervous system is involved in the regulation of lipolysis, and the sympathetic innervation of white adipose tissue may play an important role in the regulation of total body fat in general...
  95. ncbi request reprint Accelerometry and heart rate as a measure of physical fitness: cross-validation
    Guy Plasqui
    Department of Human Biology, Maastricht University, The Netherlands
    Med Sci Sports Exerc 38:1510-4. 2006
    ..We recently reported on a new method to assess physical fitness, based on the combined use of accelerometry and heart rate (HR) registration. This study tested the validity of the prediction formula in a group of healthy young adults...
  96. ncbi request reprint Heat production and body temperature during cooling and rewarming in overweight and lean men
    Anne M J Claessens-van Ooijen
    Department of Human Biology, NUTRIM Nutrition and Toxicology Research Institute Maastricht, Maastricht University, Maastricht, The Netherlands
    Obesity (Silver Spring) 14:1914-20. 2006
    ..To compare overweight and lean subjects with respect to thermogenesis and physiological insulation in response to mild cold and rewarming...
  97. ncbi request reprint The effect of the PPARgamma ligand rosiglitazone on energy balance regulation
    Annemiek M C P Joosen
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Diabetes Metab Res Rev 22:204-10. 2006
    ..We investigated if the PPARgamma ligand rosiglitazone influences substrate usage, energy expenditure (EE) and energy intake (EI) and, thereby, how PPARgamma activity contributes to susceptibility to obesity...
  98. ncbi request reprint Cold-induced heat production preceding shivering
    Anne M J van Ooijen
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Br J Nutr 93:387-91. 2005
    ..39, P=0.007). In conclusion, subjects with a relatively large heat production during cold exposure maintained a relatively high skin temperature but showed a short NSI, independent of differences in body composition...
  99. ncbi request reprint Accelerometry and heart rate as a measure of physical fitness: proof of concept
    Guy Plasqui
    Department of Human Biology, Maastricht University, Maastricht, The Netherlands
    Med Sci Sports Exerc 37:872-6. 2005
    ..We hypothesized that the combined use of accelerometry and HR monitoring, under daily life conditions, could provide a good estimate of physical fitness...
  100. ncbi request reprint Physical activity level measured by doubly labeled water and accelerometry in children
    Marije B Hoos
    Department of Pediatrics, University of Maastricht, PO Box 5800, 6202 AZ Maastricht, The Netherlands
    Eur J Appl Physiol 89:624-6. 2003
    ..156 x 10(-5) x Tracmor2 average counts day(-1) + 0.978 (r=0.79, P<0.01). In conclusion, Tracmor2 is a valid instrument to measure physical activity in children under free-living conditions...