F8WT	Figure-of-eight walk test
TUG	Timed up and go
2MWT	2 min walk test
6MWT	6 min walk test
10MWT	10 m walking test
T25FW	Timed 25-foot walk
BBS	Berg balance scale
RRMS	Relapsing–remitting multiple sclerosis
pwMS	People with multiple sclerosis
HS	Healthy subject
ABC	Activities-specific Balance Confidence Scale
FSST	Four square step test
MDC	Minimal detectable change
PwPD	People with Parkinson’s disease
OA	Older adults
MOCA	Montreal Cognitive Assessment
LLFDI	Late-Life Function and Disability Instrument
DCI	Duke Comorbidity Index
UPDRS	Unified Parkinson’s Disease Rating Scale
H&Y	Hoehn and Yahr
SMMT	Standardized Mini Mental Test
NIHSS	National Institutes of Health Stroke Scale
mFSST	Modified four square step test
SSST	Six-Spot Step Test
FMA-LE	Fugl–Meyer Motor Assessment for the lower extremities
FTSTST	Five times Sit to Stand Test