presentation on NEAT (non exercise activity thermogenesis) a major factor that determines differences in energy balance and propensity to acquire obesity
Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Thermodynamics and body weight (Dutch /English)
1. Thermodynamica en lichaamsgewicht
Waarom de één als maar aankomt
en de ander kan eten wat ‘ie wil zonder aan te komen
in gewicht
Dr. C.R. Lincke, kinderarts
referaat vakgroep kindergeneeskunde
2005
Medisch Centrum Rijnmond Zuid Rotterdam
2. Iedereen kent ze:
…slanke mensen die zich geen enkele
beperking op hoeven te leggen en slank
blijven
…niet zo slanke mensen die vroeg of laat toch
ongewild jaar naar jaar kilo’s aankomen
3. Zijn de wetten van de thermodynamica buiten
werking gesteld?
(is er misschien toch een perpetuum mobile?)
4. luie dikken versus luie dunnen...
• verschil in thermodynamica?
• verschil in metabolisme ?
• verschil in active lichaamsbeweging?
• verschil in andere vormen van
energieverbruik?
5.
6. 1ste
wet van de thermodynamica
(de wet van behoud van energie)
∆ U = q - w
7. Obesity occurs when energy intake exceeds energy expenditure. Humans
expend energy through purposeful exercise and through changes in posture
and movement that are associated with the routines of daily life [called nonexercise
activity thermogenesis (NEAT)]. To examine NEAT’s role in obesity,
we recruited 10 lean and 10 mildly obese sedentary volunteers and measured
their body postures and movements every half-second for 10 days.
(abstract)
JA Levine et al. Science 2005; 307:584-586
26. If you are fat you need more
NEAT...
Obese individuals were seated, on average, 2 hours longer per day than lean
individuals. Posture allocation did not change when the obese individuals lost
weight or when lean individuals gained weight, suggesting that it is
biologically determined. If obese individuals adopted the NEAT-enhanced
behaviors of their lean counterparts, they might expend an additional 350
calories (kcal) per day.