Article

The aim of this study is to determine whether short term functional electrical
stimulation (FES)-assisted cycling training can affect the postural control of
stroke patients, and whether the application of FES can enhance the effect of
cycling training. 20 stroke patients were randomly assigned to the FES-cycling
group (FES-CG) or the cycling group (CG). Measurements were completed before and
immediately after each 20 min training sessions. The measurements included a
balance test (to quantify the postural control ability), a Hoffmann's
reflex/motor response ratio (H/M ratio) test and a pendulum test (to quantify the
muscle tone). In the balance test, some parameters in all directions exhibited
significant intervention effects between the FES-CG group and the CG group. The
H/M ratios (p=.014; .005, FES-CG and CG respectively) and relaxation index
(p=.005; .047, FES-CG and CG respectively) revealed significant difference
between FES-CG and CG group. The change ratios of directional control in the
forward direction and H/M ratio revealed significant difference (p=.022; .015)
between FES-CG and CG among subjects with higher muscle tone. The stroke
subjects' postural control was improved while their muscle tone was reduced after
the 20 min cycling training program both with and without FES. We conclude that
cycling training, with or without FES may reduce spasticity in stroke patients.
The application of FES in cycling exercise was shown to be more effective in
stroke patients with higher muscle tone.
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