Table 1.

Search Strategy

Database	Search strategy	No. of records found	No. of unique abstracts selected	No. of unique articles selected	Articles
PubMed	“gait” AND “wearable”	680	17	0	–
	“gait” AND “spine” AND stenosis	178	4	3	Sun 2018 [3, 21] Lee 2017 [22] Loske 2018 [23]
Medline	“gait” AND “wearable” AND spine	2	1	0	–
	“gait” AND “wearable”	474	15	0	–
	“gait” AND “lumbar stenosis”	10	1	0	–
CINAHL	“gait” AND “wearable”	209	0	0	–
	“gait” AND “stenosis”	102	1	0	–
SPORTDiscus	“gait” AND “wearable”	170	3	0	–
	“gait” AND “stenosis”	17	2	0	–
Google Scholar	“gait” AND “wearable” AND “lumbar spinal stenosis”	70	2	0	–
Other (e.g. hand search of citations)		155	6	1	Nagai 2014 [13]
Totals		2067	52	4