臨床用歩行分析支援システム(GAITS)(3部障害・運動・評価)

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Gait analysis and the functional training of disabled persons are problems of great importance in clinical practice, because a gait abnormality generally requires a long period of rehabilitation and exerts a great influence on their life in society. The measurement data used for gait analysis can be broadly classified into 1) ground reaction forces, 2) kinematic coordinates and 3) electromyographic (EMG) data. These data are utilized for the assessment of therapeutic or training effectiveness, comparisons between the gaits before and after an operation, and judgements of fitness of artificial legs etc. The medical doctor and therapist have to interpret the biomechanical, kinematic and physiological meanings which the data patterns imply. But since the human gait is complex locomotion where the movements of body and limbs are tangled together, it is often difficult to identify functional gait capability from the data available on a patient's problems. The purpose of the present report is to describe a new gait analysis procedure based on knowledge engineering techniques which permits an evaluation in clinical practice of the human gait, particularly concerning its dynamic aspects; the procedure is meant to function as an interface between the measurement data and the doctor and therapist. The gait analysis system is divided into five subsystems as follows: 1) input files, 2) data processing system, 3) knowledge database, 4) gait analysis/reasoning system, 5) human interface. The data processing system computes various parameters necessary to describe the patient's gait. The clinical chart in which the doctor's diagnoses are written should be converted into the forms fitted for the analysis/reasoning system. The knowledge database consists of patient database, normal data, rules for analysis, and instruction system. The patient database includes information from the clinical chart and gait parameters. The rules for analysis are given in "if-then" form. The instruction system is to explain the biomechanical meanings of typical ground reaction patterns of normal subjects for the user. The analysis/reasoning system gives a biomechanical interpretation of the measurement data based on the gait parameters and rules, and the results are compared with the contents of the clinical chart.
バイオメカニズム学会の論文
1988-06-15

臨床用歩行分析支援システム(GAITS)(3部障害・運動・評価)

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臨床用歩行分析支援システム(GAITS)(3部 障害・運動・評価)

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臨床用歩行分析支援システム(GAITS)(3部障害・運動・評価)