Long-Term HIIT Adherence Remains Mixed

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While HIIT performs well in structured research settings, long-term adherence outside the lab remains inconsistent. Recent systematic reviews suggest that more moderate, repeatable approaches may better support sustained participation, adding context to ongoing debates about intensity-first programming.

For professionals, this supports offering HIIT as one tool rather than a brand identity. Programs that allow clients to modulate intensity over time tend to support longer memberships and fewer burnout-driven exits.

Why it matters: Offering intensity as a tool rather than a mandate reduces burnout and improves client longevity.