AT	Adaptive thermogenesis
ATP	Adenosine triphosphate
BIA	Bioelectrical impedance analysis
EA	Energy availability
EB	Energy balance
EE	Energy expenditure
EEE	Exercise energy expenditure
EI	Energy intake
FFM	Fat free mass
GnRH	Gonadotropin-releasing hormone
IGF-1	Insulin-like growth factor 1
IGFBP-1	Insulin-growth factor binding protein-1
IOC	International Olympic Committee
LEA	Low energy availability
MET	Metabolic equivalents of tasks
OGTT	Oral Glucose Tolerance Test
REDs	Relative energy deficiency in sports
RER	Respiratory exchange ratio
RMR	Resting metabolic rate
RPE	Rate of perceived exertion
TEE	Total energy expenditure