Definition
Purpose tremor is the small, involuntary shake of the hand that appears precisely when you most need it to be steady — threading a needle, signing your name in front of a crowd, lifting a full glass past a clean tablecloth. The harder you concentrate on holding still, the more pronounced the tremor becomes. It is the body's documentary footage of an over-tight control loop.
Maxwell Maltz used the term as the master metaphor for what over-motivation does to any skill, not just fine motor tasks. Public speaking, social conversation, athletic performance, creative work — anywhere intense conscious effort is applied directly to a trained behavior, the equivalent of a tremor shows up: choking, blanking, fumbling, freezing.
Why it matters
How it works
Mechanically, fine motor control is a high-frequency micro-correction loop. Excessive conscious attention loads each correction with anxiety, amplifies it, and produces the visible shake. The same logic applies to higher-level skills: too much conscious gripping of the next word, the next move, the next note, jams the underlying competence.
The fix is the relaxed approach Maltz called "creative living." Set the target, picture the smooth performance, and then surrender the moment-to-moment control to the trained system. The tremor disappears when conscious attention stops squeezing.