%FM	Percentage of fat mass
%LBM	Percentage of lean body mass
%VT1	Percentage of VO2peak at the first ventilatory threshold
%VT2	Percentage of VO2peak at the second ventilatory threshold
BMI	Body Mass Index
CPET	Cardiopulmonary exercise test
CK	Creatine kinase
DR	Downhill running
EIMD	Exercise-induced muscle damage
GCT	Ground contact time
FR	Frequency of respiration
HR	Heart rate
LDH	Lactate dehydrogenase
Mb	Myoglobin
PF	Isometric ankle plantar flexion strength
SF	Step frequency
SL	Step length
RBE	Repeated bout effect
SQ	Isometric half-squat strength
TR	Trail runners
UT	Ultra-trail
UW	Uphill walking
VE	Minute ventilation
VO	Vertical oscillation
VO2max	Maximal oxygen uptake
VO2peak	Peak oxygen uptake
VT	Tidal volume
VT1	First ventilatory threshold
VT2	Second ventilatory threshold
Vvertpeak	Peak vertical speed reached at the cardiopulmonary exercise test
VvertVT1	Vertical speed at the first ventilatory threshold
VvertVT2	Vertical speed at the second ventilatory threshold