6MWT	6-Minute Walk Test
APP	Amyloid Precursor Protein
BTG	Balance Training Group
CG	Control Group
CI	Confidence Interval
DTG	Dance Training Group
EG	Experimental Group
EPDS	Edinburgh Postnatal Depression Scale
H2	H-squared. Magnitude of Heterogeneity
HRmax	Maximum Heart Rate
I2	I-squared. Magnitude of Heterogeneity
PANAS	Positive And Negative Affect Schedule
PE	Physical Exercise
PEDro	Physiotherapy Evidence Database
PG	Pilates Group
PICO	Population, Intervention, Comparison, and Outcome
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PSQI	Pittsburgh Sleep Quality Index
PSS	Perceived Stress Scale
Q	Conchran’s Q Test
p’	p-value of Cochran’s Q test
p	p-value of Z-statistic
RCTs	Randomized Controlled Trials
RPE	Rating of Perceived Exertion
r	pre-post correlation coefficient used in the model
SD	Standard Deviation
SE	Standard Error
SGDS-K	Korean version of the Short-Form Geriatric Depression Scale
SMD	Standardized Mean Differences
SSRIs	Selective Serotonin Reuptake Inhibitors
STG	Strength Training Group
SWLS	Satisfaction With Life Scale
Tau and Tau2	Between-study heterogeneity
TUG	Timed Up and Go Test
WOS	Web Of Science
Z	Z-statistic