The distance shortening phenomenon or the lazy arm sign as a subtle pyramidal sign.
Pollak
L
L
Klein
C
C
Rabey
J M
JM
D001132:Arm / Q000502:physiology*; D002526:Cerebellar Diseases / Q000503:physiopathology*; D006801:Humans; D009068:Movement / Q000502:physiology*; D011712:Pyramidal Tracts / Q000503:physiopathology*