So, failure to recover occurred! And no acknowledgement of that failure!
Intra- and inter-day effects of novel robot-assisted hand movement training in individuals with post-stroke hemiparesis: a single-armpilot study
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Kazuki Ushizawa, OTR, MS1,2, Shintaro Uehara, RPT, PhD3, Akiko Yuasa, RPT, PhD1,4,
Taiki Yoshida, OTR, PhD3, Kyoichi Tomita1, Takayuki Ohtomo, PhD1, Shigeo Tanabe, RPT, PhD3,
Yohei Otaka, MD, PhD1
1Department of Rehabilitation Medicine, School of Medicine, Fujita Health University, Toyoake, Aichi, Japan, 2 Graduate School of Health Sciences,
Fujita Health University, Toyoake, Aichi, Japan, 3 Faculty of Rehabilitation, School of Health Sciences, Fujita Health University, Toyoake, Aichi, Japan,
4Japan Society for the Promotion of Science, Chiyoda, Tokyo, Japan
Abstract
Objectives: To investigate the feasibility of robot-assisted hand movement training using a novel end-effector robot
in individuals after stroke.
Methods: Eleven individuals with subacute stroke with hand motor impairment underwent robot-assisted repetitive
finger flexion/extension for 20 min daily and repeated this training on 7 non-consecutive days. The robot was
designed to allow the flexion and extension of the metacarpophalangeal and proximal interphalangeal joints of the
index to the little fingers, and to provide assistive torque if the movement did not reach the target angle within a
limited time. We assessed the co-contraction index (CCI) of the flexor digitorum superficialis and extensor digitorum
muscles and assessed the active range of motion (AROM) of the index finger before and after training each day
(intra-day effect). We performed clinical assessments of motor function and spasticity and evaluated the CCI and
AROM before and immediately after the 7-day training (inter-day effect).
Results:
Ten participants completed the 7-day training. For the intra-day effect, the CCI was significantly decreased
immediately after training, particularly during active finger flexion, and the AROM tended to improve from the middle
of the training days. For the inter-day effect, there were no significant changes in the Stroke Impairment Assessment
Set for Finger Function, modified Ashworth scale, CCI, or AROM after the 7-day training.
Conclusions:
Repetitive finger movement training with the assistance of the novel robot improves(NOT GOOD ENOUGH! Survivors want full recovery and YOU FAILED THEM!muscle activation
patterns, reducing co-activation between the agonist and antagonist muscles immediately after training
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