Method Participants A convenience sample of 7 men and 5 women who had had a stroke (mean [SD] age68.76.9 years) were recruited for the study. Five individuals had a left hemispheric stroke, and 7 individuals had a right hemispheric stroke. Participants were included if they were commu- nity dwelling, at least 3 months post- stroke, able to walk on a self-paced treadmill, and scored at least 25 on the Mini Mental State Examination.26 Their mean (SD) overground gait speed during performance of the 10-m walk test was 0.740.42 m/s. Slow walkers were defined as those individuals in the lower quartile, with an overground gait speed of less than 0.54 m/s. In addition, 4 men and 6 women who were healthy (mean [SD] age69.77.1 years) were recruited to participate as a control group. Their mean (SD) overground gait speed during performance of the 10-m walk test was 1.260.20 m/s (available for only 8 participants in whom subse- quent analyses were done). All par-
ticipants signed an informed consent form prior to the study.