The therapeutic plan for certain pathologies in the adult population typically includes the performance of moderate physical activity aimed at preventing cardiovascular risk due to sedentary lifestyle, improving muscle tone and balance to prevent falls, enhancing bone health, and maintaining proper functional and mental health state. However, this activity can be hindered by pain arising from musculoskeletal injuries of low or moderate significance. One such injury is metatarsalgia, characterized by acute or chronic pain in the plantar area of the forefoot due to an overload of plantar pressure. It affects one or several central metatarsals and their respective metatarsophalangeal joints. Metatarsalgia is a highly prevalent pathology (up to 83%) in patients aged 60 or older and negatively impacts their quality of life. To alleviate plantar pressure in the affected area, metatarsal offloading devices are commonly used, which can now be integrated into socks or stockings. This integration aids in pain reduction through an everyday, easy-to-use item. However, only preliminary results of their effectiveness exist, and are in a standard model without customization for the patient's foot. Therefore, the goal is to identify different plantar pressure patterns in a sample of female patients over 55 years with metatarsalgia and design personalized three-dimensional plantar elements that can be integrated into the sock's structure to reduce over pressure and improve the clinical picture. A prior evaluation of pain (Foot Pain and Disability Index), impact on quality of life (SF-12 questionnaire), assessment of physical activity (IPAQ), and baropodometric evaluation with instrumented Pedar® insoles (Novel, Germany) will be conducted. This will characterize the patterns of plantar pain. Using 3D scanning of the foot, a personalized three-dimensional element for each plantar pain pattern will be designed to relieve this excess load, and will be integrated into the body of the sock through weaving, thermofusion, or thermosealing. This sample of patients with metatarsalgia will be randomly divided into three groups, who for a period of six months will wear the offloading sock model, personalized plantar supports with selective offloading, or a stabilizing element for the affected metatarsal head that the patient can apply and remove themselves. After these six months, plantar pain, quality of life, and physical activity levels will be re-evaluated in the three groups to determine the potential efficacy of the experimental sock compared to the best possible treatment, insoles, and another common element such as alignment devices. The offloading sock would provide a personalized solution for each patient, requiring no adaptation or frequent replacement, thus creating better adherence to treatment. The number of effective treatment usage hours would increase since socks are part of the patients' regular attire. Additionally, associated costs would be reduced, as there would be no need for frequent replacement of removable pads, stabilizing devices, or regular revisions to adjust orthopedic insoles.
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Numeric Pain Rating Score 11
Timeframe: 4 weeks