Article

This investigation utilized a single case design to evaluate the effects of a
dynamic AFO on ambulation in post stroke hemiplegia. A single patient with stroke
related hemiplegia using a dynamic AFO underwent gait analysis while walking on
level ground. Outcome measures included temporal-spatial gait parameters and
bilateral kinematic joint angles at the ankle, knee, and hip with and without
AFO. Walking speed, stride length, step length and cadence increased with the
dynamic AFO. Step width and double support decreased, while single support
remained unchanged on the affected limb with the dynamic AFO. With the dynamic
AFO there was increased hip flexion at foot strike and toe-off, increased hip
sagittal plane angular velocity during swing, and decreased abduction. The
dynamic AFO had a positive effect on the participant's overall gait which
included improved temporal-spatial parameters and gait velocity which is likely
due to a decrease in the overall energy cost of walking. Kinematic angles at the
hip were most notably affected by brace utilization and this effect should be
more fully explored. Further research with a larger sample utilizing dynamic AFOs
is indicated to explore the generalizability of these findings and to determine
the potential utility of these braces as an alternative to the traditionally
prescribed solid AFO.

Langue : ANGLAIS