BACKGROUND: Maladaptive fear of movement in individuals with low back pain may be associated with worse clinical outcomes. OBJECTIVE: To explore beliefs about the perceived dangers regarding different spinal postures within the Czech Republic. DESIGN: Exploratory cross-sectional study including physiotherapists and members of the general public. METHODS: Self-reported perceived safety/danger of "straight" and "flexed" spinal postures regarding 1) sitting, 2) lifting of light and 3) heavy object from the floor based on three pairs of photographs was measured using numeric rating scales (0-10, safe to dangerous) without any given context and in the context of low back pain. The sum of differences between the ratings of flexed and straight postures were used to calculate Bending Safety Beliefs Thermometer (BSBThermometer) total score potentially ranging -60‒60 (higher values indicates evaluation of flexed spinal postures as more dangerous in comparison to straight postures). RESULTS: 760 participants were included in the analysis. The mean BSBThermometer total score was 31.1 (SD 16.1) and higher scores were positively associated with being women (b = 14.8, 95% CI [9.9-19.8]); non-medical profession (b = 24.7, 95% CI [15.2-34.2]); age (b = 0.38, 95% CI [0.16-0.6]; and their interactions. There was no significant association with current low back pain status or history of low back pain. CONCLUSIONS: On average, participants evaluated "flexed" spinal postures as significantly more dangerous when compared with "straight" spinal postures, with only subgroups of physiotherapists scoring lower than the general public. Clinically, these beliefs could be targeted by individualized education, exposure-based interventions and public campaigns; however, further research is required.

1st Department of Internal Medicine General University Hospital Prague U Nemocnice 2 Prague Czech Republic

Department of Rehabilitation and Sports Medicine 2nd Medical Faculty Charles University and University Hospital Motol 5 Uvalu 84 Prague Czech Republic

Faculty of Healthcare Trenčianska Univerzita Alexandra Dubčeka 5 Trenčíne Studentska 2 Trencin Slovakia

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