BMCDXA	bone mineral content measured by dual energy X-ray absorptiometry
DXA	dual energy X-ray absorptiometry
FFM	fat free mass by DXA
FM	fat mass
MJ/day	mega joule per day
MM	skeletal muscle mass
MRI	magnetic resonance imaging
HMR	high metabolic rate organs
REE	measured resting energy expenditure
REEc	REE calculated from organ/tissue masses times their specific metabolic rates
∆ REE-REEc	difference between measured resting energy expenditure and calculated resting energy expenditure