Abstract
We
examined the behavioral characteristics of reactive turning in
hemiplegic stroke patients when they were informed of the turning
direction just before turning was required at an unpredictable time.
Eleven stroke patients and 20 healthy elderly control people were asked
to initiate a turn as soon as a visual cue to inform them of the turning
direction was activated unpredictably using a foot switch. Both the
segmental reorientation and stepping type when turning 90° while walking
were measured. The results indicated preserved segmental reorientation
of the head and pelvis in stroke patients. Stroke patients showed delays
in pelvic turning but not in head turning. Their delayed pelvic
movement might be due to motor dysfunction and the time taken to ensure
stability when deciding when to turn.
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