Wednesday, October 5, 2011

Fat Metabolism in Formerly Obese Women: Part II Resting Substrate Usage

Continuing the discussion from Part I

Fat metabolism in formerly obese women
Ranneries, et.al.  AJP-Endo, 1998.

In this part I wish to address the respiratory quotient, RQ.  The RQ is a measure of the relative amounts of energy derived from glucose oxidation vs. fatty acid oxidation.  

To recap the subjects of this study, when obese, the FO (formerly obese) subjects had body weights in excess of 120% normal weight.  They followed a conventional CRD to lose the weight and were weight stable for at least 2 months at 110% normal weight.  So weight losses were in excess of 10% bw and ranged from 15-20kg (33-44 lbs).    The FO & C groups were well matched as seen in Table 1.
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