Reliability and validity of the novel self-reported spine functional scale (SSFS) in healthy participants

Table 3 Factor loading for the SSFS scale

Item	Factor loading
Item	1	2
Standing postural assessment	0.385	0.680
Supine postural assessment	0.378	0.719
Cervical flexor muscle strength	0.642	− 0.235
Abdominal core muscle strength	0.597	− 0.242
Prone press-up	0.595	0.137
Supine knee-to-chest	0.625	− 0.222
Wall roll-down	0.620	− 0.138
Wall angel	0.533	− 0.179

ISSN: 1749-799X