Sports Medicine (Auckland, N.z.) · 11 authors, 2 centres
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This systematic review of seven studies found that short, high-intensity interval training (HIT) implemented in the workplace was feasible and showed promise for improving cardiorespiratory and muscular fitness, but its effectiveness for broader health-related outcomes was limited.
This systematic review analyzed seven studies with 317 participants to evaluate short, high-intensity interval training (HIT) in workplace settings. The interventions typically lasted 6–12 weeks, with 2–4 sessions per week of 8–30 minutes each. Feasibility was generally positive, with five studies reporting adherence rates above 80% and qualitative reports highlighting time efficiency and positive psychosocial responses. Effectiveness outcomes showed small-to-large effect sizes for improvements in cardiorespiratory and muscular fitness, while effects on body composition were trivial to small. Cardiometabolic outcomes like blood pressure and lipid profiles showed heterogeneous small-to-medium effects. Psychological outcomes, including health-related quality of life, showed trivial-to-medium improvements. The review concludes that HIT is feasible for workplace implementation and effective for improving fitness, but its broader effectiveness for health outcomes is limited and requires further high-quality research with larger samples.
