Grounding: The Simple Hack to Calm Your Mind and Body
Abstract
Objective: This pilot study examines the acute effects of grounding on heart rate variability (HRV) and muscle tension in healthy adults.
Context: Grounding has been proposed to influence autonomic nervous system function, but its immediate effects on HRV and muscle tension are not well-understood.
Methods Used: 20 healthy participants underwent two sessions, one grounded and one sham-grounded, in random order. HRV was assessed using electrocardiography, and muscle tension was measured using electromyography of the trapezius muscle during rest and stress-inducing tasks.
Researchers' Summary of Findings: During the grounded session, participants exhibited significantly higher HRV (increased root mean square of successive differences, RMSSD) and lower muscle tension (reduced electromyographic activity) compared to the sham-grounded session, both at rest and during stress-inducing tasks.
Health Implications: Grounding appears to acutely modulate autonomic nervous system function, promoting a shift towards parasympathetic dominance (increased HRV) and reducing muscle tension. These findings suggest that grounding may be a simple and effective way to counteract the physiological effects of stress and promote relaxation.