and for clonus (brisk passive extensions of ankle). A sensitive test for spasticity is the Trömner reflex test for increased finger flexor stretch reflexes (does not require a hammer).

Correspondence to Georgios Koutsis, Neurogenetics Unit, 1st Department of Neurology, School of Medicine, Eginition Hospital, National and Kapodistrian University of Athens, Athens 11528, Greece; ...