Abstract
AbstractThis paper presents the experimental result of a portable and wearable system that measures the vertical component of the Ground Reaction Forces that are generated during the human gait cycle. This system consists of an instrumented insole with four Force-sensing resistors that are strategically placed, the data measured is sent to any mobile device across Bluetooth® communication. These sensors were characterized, obtaining the mathematical model that represent the relationship between the voltage and the force applied on the sensor. To verify the behavior of the system, forty samples were taken from twenty individuals with different physical characteristics, indicating that these forces are directly related to the terrain, weight and walking of each user. With the data obtained is possible to identify in which section of the foot of everyone is applied a greater pressure, offering to the orthopedist an alternative to a system of gait analysis.KeywordsVertical GRFInstrumented insoleWearable systemGait analysis
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