ACSM	American College of Sports Medicine
BDNF	Brain-derived neurotrophic factor
BMI	Body mass index
HIEG	High-intensity aerobic exercise group
HR	Heart rate
HRmax	Maximum heart rate
LIEG	Low-intensity aerobic exercise group
MIEG	Moderate-intensity aerobic exercise group
Non-RCTs	Non-randomized controlled trials
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
RCTs	Randomized controlled trials
RM	Maximum resistance
RoB	Risk of bias
ROBINS-I	Risk of Bias in Non-Randomized Studies—of Interventions
SMD	Standardised mean differences
VO2max	Maximum oxygen consumption
VO2R	Reserve oxygen consumption