Table 1.

Search terms put into groups by mean.

Terms and strategies	Identifier
Gait OR walking OR locomotion OR ∗ambulation	1
Scale OR score OR questionnaire OR test OR criter∗ OR assess∗ OR analysis OR examination OR measure∗ OR outcome	2
“Gait scale” OR “gait score” OR “gait questionnaire” OR “walking scale” OR “walking score” OR “walking questionnaire” OR “locomotion scale” OR “locomotion score” OR “locomotion questionnaire” OR “gait test” OR “walking test” OR “locomotion test”	3
Observational OR visual	4
Valid ∗ OR reliabilitya	5

Criter^∗: criteria, criterion; assess^∗: assess, assessment; measure^∗: measure, measurement; valid^∗: valid, validation, validity; ^∗ambulation: ambulation, deambulation. ^aFor PubMed database, these terms were substituted by the selection of Validation studies filter.