OBJECTIVE: The purpose of the pilot MOVE-C study was to examine the effects of a 12-week high-intensity interval training (HIIT) plus lifestyle education program on quality of life (QoL), behavioural and psychosocial outcomes among inactive adults with coeliac disease. DESIGN: This study used a 3 (time: baseline, immediately post and three months post) x 2 (group: experimental versus waitlist control) mixed design. After completing baseline testing, 41 participants were randomised to one of two groups: HIIT plus or waitlist control (WLC). The HIIT plus intervention involved twice-weekly HIIT, during which participants progressed to 14x30 s intervals (90% heart rate max; HRmax), with 2-minute recovery (50% HRmax). The HIIT plus intervention also included six bi-weekly education sessions. RESULTS: Participants in HIIT plus reported significant improvements in QoL and exercise behaviour immediately post-intervention, and this was sustained three months post-intervention, whereas no changes in QoL nor exercise behaviour were reported in WLC. Improvements were also reported among HIIT plus immediately after the intervention for gastrointestinal symptoms and self-compassion. All participants reported significant improvements in adherence to a GFD immediately post-intervention. CONCLUSION: Findings from this pilot study provide preliminary evidence that a tailored exercise and lifestyle intervention can lead to improved QoL, exercise behaviour, gastrointestinal symptoms and self-compassion among inactive adults with coeliac disease.

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