Fig. 3

Pen lifts and retouching/overwriting. a₁ Handwriting before onset of RA showing consistency of strokes and no retouching/overwriting. a₂ Inconsistent pen lifts in handwriting of RA patient. b₁ Absence of retouching to make correction in handwriting of RA patient. b₂ Extra lines to rejoin strokes at place of unnatural pen lifts along retouching and overwriting to make cautious corrections in copied writing