The objective of this clinical trial is to compare the effects of the geometry of the medial longitudinal arch (MLA) of the insole on acceleration impacts during gait, measured using an accelerometry system, in patients with pain related to the presence of a pronated foot morphotype. The main questions it aims to answer are: Is the slope of the medial longitudinal arch of the orthotic treatment a factor that reduces the peak tibial accelerometry in a symptomatic foot with a medially oriented subtalar joint axis? To assess the predictive effect of changes in acceleration impacts on the patient's painful symptoms. The researchers will compare the MLA of the insole taken in a standing position with the MLA of the insole taken in a sitting position (the treatment applied in routine clinical practice) to evaluate if changing the slope of the MLA generates changes in the tibial acceleration impacts. The participants: Must use the insoles to carry out their daily activities, except for sleeping or bathing. The first review of the orthotic treatment will be conducted 3 months after the treatment initiation.
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Maximum tibial acceleration (g).
Timeframe: The maximum tibial acceleration (g) is measured during the 2nd visit when we initiate orthopedic treatment and during the 3rd visit, after 3 months of using the plantar orthosis, using a triaxial accelerometry system.