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Bogataja Gros
i
a Aimovi
U Bogataj, MSc, is Research Engineer, Department of Biocybernetics, Automation, and Robotics, Joef Stefan Institute, Jamova 39, 61111 Ljubljana, Yugoslavia.
N Gros, RPT, is Research Physiotherapist and Instructor, Rehabilitation Institute, Linhartova 52, 61111 Ljubljana, Yugoslavia.
M Malei, BSc, is Research Engineer, Department of Biocybernetics, Automation, and Robotics, Joef Stefan Institute.
B Kelih, BSc, is Research Engineer, Department of Biocybernetics, Automation, and Robotics, Joef Stefan Institute.
M Kljaji, PhD, is Research Engineer, Professor, and Head of Laboratory of Biocybernetics, Department of Biocybernetics, Automation, and Robotics, Joef Stefan Institute.
R Aimovi, MD, is Co-Director, Rehabilitation Institute.
Multichannel electrical stimulation was applied in 20 patients with hemiplegia secondary to stroke or head injury using a six-channel microprocessor stimulator-stride analyzer to restore independent gait and to reestablish a normal gait pattern in a two- to three-week therapy period. The therapy was followed up at every session by a stride analyzer incorporated into the stimulator. At the beginning and at the end of the therapy period, each subject's gait was measured with a ground reaction measuring system. Statistical results and observations are presented for the group of 20 subjects, and a detailed description of the results is given for one subject who is representative of the whole group. According to the measured gait characteristics, gait improved significantly in all subjects during the therapy period, resulting in a partly or completely independent gait. The subjects' posture and endurance also improved, and they spontaneously learned how to use a crutch. The measurements and visual assessment of the subjects' progress indicate that the described treatment protocol offers good prospects for faster and more efficient gait rehabilitation in severely impaired patients. To determine the efficacy of gait therapy with multichannel electrical stimulation, a comparative study of conventional therapeutic methods and the method described in this article should be conducted.
Key Words: Electrotherapy, electrical stimulation • Functional training and activities • Gait training • Hemiplegia, gait
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