Imaginary Lat Syndrome

Imaginary lat syndrome describes a postural pattern of wide arm carriage caused by a mechanical postural chain that shortens the lats, not by actual lat hypertrophy. A flat thoracic spine causes the ribcage to move forward and the scapulae to retract and depress, contributing to the syndrome. Imaginary lat syndrome illustrates a broader clinical principle: identify the position a patient is locked into, find what they cannot access, and place them in the opposite position. Increased lumbar lordosis drives sacral nutation, which brings the lat's lower and upper attachments closer together and establishes mechanical leverage. The wide arm position is a genuine adaptive pattern that improves stability by expanding the base of support, not merely a vanity posture. Treatment consists of systematic reversal of each element in the causal chain, beginning with addressing the axial skeleton and ribcage position.