BACKGROUND: This study aimed to assess the effect of walking with Nordic
Walking (NW) poles on postural stability and gait spatial-temporal characteristics in
individuals with PD and to determine the cognitive load associated operating the
poles.
METHODS: Twelve individuals with PD (age: 61.6±11.7) were asked to perform
four 90 s walking trials; with/without poles and with/without verbal fluency task
(category fluency) after a 6-week independent NW training. We assessed gait
spatial-temporal characteristics, and trunk postural stability using the APDM
accelerometry system.
RESULTS: Trunk frontal range of motion and peak velocity were smaller in NW
compared to normal walking with and without the cognitive task
(p < 0.01). Cadence, gait speed and stride length decreased in both
pole conditions when performed with the cognitive task (p < 0.05).
However stride length was longer with poles compared to without poles.
CONCLUSIONS: The reduced range of motion and velocity of the trunk in the
frontal plane of motion suggest that NW can improve postural stability independently of
the addition of a cognitive task. Compared to normal walking, spatial-temporal
characteristics did not further decline when the cognitive task was combined to NW. This
suggests that NW is a suitable practice for gait rehabilitation protocols in PD.
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