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Clinical Effects of Using HEXORR (Hand Exoskeleton Rehabilitation Robot) for Movement Therapy in Stroke Rehabilitation
Abstract
Objective: The goals of this pilot study were to quantify
the clinical benefits of using the Hand Exoskeleton Rehabilitation
Robot for hand rehabilitation after stroke and to determine the
population best served by this intervention.
Design: Nine subjects with chronic stroke (one excluded
from analysis) completed 18 sessions of training with the Hand
Exoskeleton Rehabilitation Robot and a preevaluation, a postevaluation,
and a 90-day clinical evaluation.
Results: Overall, the subjects improved in both range of
motion and clinical measures. Compared with the preevaluation, the
subjects showed significant improvements in range of motion, grip
strength, and the hand component of the Fugl-Meyer (mean changes, 6.60
degrees, 8.84 percentage points, and 1.86 points, respectively). A
subgroup of six subjects exhibited lower tone and received a higher
dosage of training. These subjects had significant gains in grip
strength, the hand component of the Fugl-Meyer, and the Action Research
Arm Test (mean changes, 8.42 percentage points, 2.17 points, and 2.33
points, respectively).
Conclusions: Future work is needed to better manage
higher levels of hypertonia and provide more support to subjects with
higher impairment levels; however, the current results support further
study into the Hand Exoskeleton Rehabilitation Robot treatment.
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