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Table 3 Factor loading for the SSFS scale

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

Item Factor loading
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