Chiropractic 101

What Heart Rate Variability Can Tell Us

3 min read·Updated 2026-07-15·Clinically reviewed by Dr. Adrian B. Hunter, D.C.

How heart rate variability is used as a general measure of adaptability — and its limits.

Heart rate variability describes small differences in the timing between heartbeats. It is often used as a general indicator of how the nervous system is adapting to stress and recovery.

HRV is influenced by many factors — sleep, hydration, activity, illness. It is a helpful trend, not a diagnosis.

This article is general education, not personal medical advice. If your symptoms include any red-flag signs, seek prompt medical evaluation.

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