Your Muscles Move Before You Decide
Your brain can trigger physical movements without your conscious permission. This unconscious process explains why Ouija boards or dowsing rods seem to move on their own despite no external force.
The ideomotor phenomenon happens when a mental image or thought triggers a tiny, reflexive muscular response. Because the brain initiates this movement subconsciously, you genuinely feel as though an outside force is controlling your body. This explains how people can unknowingly drive the planchette on a Ouija board or influence the results of lie detectors. It is a fascinating glimpse into how our physical actions often operate independently of our conscious awareness.
Source: Ideomotor phenomenon