الفهرس 
Title : Electromotive Drug Administration Of Magnesium Sulphate On Spastic Gastrocnemius Muscle Of Stroke Patients : A Randomized Clinical Tria
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Abstract
Objective: This study aimed to investigate the effects of
Magnesium sulfate (MgSO4) iontophoresis on electrical activity and
functional ability (step length of the affected side) of the gastrocnemius
muscle Methods: A total of 50 patients aged 45_65 years of both genders
who were diagnosed with chronic cerebrovascular accident (29 females
and 21 males) were recruited in this study and randomly assigned into 2
equal groups. Subjects in group A (experimental group) received
MgSO4 iontophoresis in addition to passive stretching of the
gastrocnemius for two session per week for 4 weeks, whereas group B
(control group) underwent calf, quadriceps and hamstring muscle
stretching for two sessions per week for 4 weeks. Electromyography was
used to measure the electrical activity of the gastrocnemius muscle during
rest and activity times (active plantar flexion) whereas the Biodex Gait
Trainer 2 was used to measure the step length of the affected side; thus,
patients were evaluated twice before and after allocation to each group.
Results: Statistical analysis showed a significant change within all study
variables when comparing pretreatment with posttreatment values in
group A (p < 0.05) but not in group B (p > 0.05). Between-group analysis
showed no significant changes in pretreatment values of all variables as
(p > 0.05), whereas a significant change in all variables was observed in
posttreatment values (p < 0.05). Conclusion: MgSO4 iontophoresis is
more effective than traditional therapy (stretching) in managing the
spasticity of poststroke patients.