Article

Turning round is a routine everyday activity that can often lead to instability.
The purpose of this study was to investigate abnormalities of turning among
people with Parkinson's disease (PwPD) through the measurement of sequence of
body segments and latency response. Participants were asked to turn 180 degrees
and whole-body movements were recorded using CODAmotion and Visio Fast eye
tracking equipment. Thirty-one independently mobile PwPD and 15 age-matched
healthy controls participated in the study. We found that contrary to common
belief, the head preceded movement of all other body segments (eyes, shoulders,
pelvis, first and second foot). We also found interaction between group and body
segment (P=0.005), indicating that overall, PwPD took longer to move from head to
second foot than age-matched healthy controls. For PwPD only, interactions were
found between disease severity and body segment (P<0.0001), between age group and
body segment (P<0.0001) and between gender and body segments (P<0.0001). For each
interaction, longer time periods were noted between moving the first foot after
the pelvis, and moving the second foot after the first, and this was noted for
PwPD in Hoehn and Yahr stage III-IV (in comparison to Hoehn and Yahr stage I-II);
for PwPD who were under 70 years (in comparison with 70 years or over); and for
ladies (in comparison with men). Our results indicate that in PwPD and healthy
elderly, turning-on-the-spot might not follow the top-to-bottom approach we know
from previous research.
CI - Copyright (c) 2013. Published by Elsevier B.V.

Langue : ANGLAIS