Wow, they managed to cherry-pick patients that had no spasticity! There would have been no movement at all. Useless research, nothing here gets survivors recovered!
Direction-specifc Disruption of Paretic Arm Movement in Post-stroke Patients
Kiyoshi Yoshioka, RPT, PhD
a,*
Tatsunori Watanabe, RPT, PhD
b,*
Mizuki Yoshioka, RPT
a
Keita Iino, RPT
a
Kimikazu Honda, RPT
a
Koshiro Hayashida, RPT
a
and Yuji Kuninaka, RPT
a
Objective:
This study aimed to characterize reaching movements of the paretic arm in diferent
directions within the reachable workspace in post-stroke patients.
Methods:
A total of 12 post-
stroke patients participated in this study. Each held a ball with a tracking marker and performed
back-and-forth reaching movements from near the middle of the body to one of two targets in front
of them located on the ipsilateral and contralateral sides of the arm performing the movement. We
recorded and analyzed the trajectories of the tracking marker. The stability of arm movements
was evaluated using areas and minimum Feret diameters to assess the trajectories of both the
paretic and non-paretic arms. The speed of the arm movement was also calculated.
Results:
For
the paretic arm, contralateral movement was more impaired than ipsilateral movement, whereas
for the non-paretic arm, no diference was observed between the directions. The maximum speed
of the contralateral movement was signifcantly slower than that of the ipsilateral movement in
both the paretic and non-paretic arms.
Conclusion:
The paretic arm shows direction-specifc
instability in movement toward the contralateral side of the arm.
