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OBJECTIVE: Sedentary behaviour has long been associated with neck and low back pain, although relatively little is known about the thoracic spine. Contributing around 33% of functional neck movement, understanding the effect of sedentary behaviour and physical activity on thoracic spinal mobility may guide clinical practice and inform research of novel interventions. DESIGN: An assessor-blinded prospective observational study designed and reported in accordance with Strengthening the Reporting of Observational Studies in Epidemiology. SETTING: UK university (June-September 2016). PARTICIPANTS: A convenience sample (18-30 years) was recruited and based on self-report behaviours, the participants were assigned to one of three groups: group 1, sitters-sitting >7 hours/day+physical activity150 min/week+sitting 7 hours/day sitting and <150 min/week of physical activity. Further research is required to explore possible causal relationships between activity behaviours and spinal musculoskeletal health.
Heneghan et al. (Tue,) studied this question.