Rev. Esp. Pod. 2024; 35(1): 22-29 / DOI: 10.20986/revesppod.2024.1683/2023
Priscila Távara Vidalón, María José Manfredi Márquez
ABSTRACT
Objectives: To analyze the changes produced in the plantar pressures of the first ray after an exercise program to strengthen the peroneus longus muscle.
Patients and methods: In 24 subjects with a flexible dorsifl exed first ray, the dorsifl exion and plantarflexion of the fi rst ray, the dorsiflexion of the 1st metatarsophalangeal joint, the strength of peroneus longus, the FPI, and the plantar pressures under first metatarsal head were assessed. The sample was randomly divided into two groups. The experimental group performed exercises to strengthen the peroneus longus with elastic bands for 4 weeks.
Results: In the study group, statistically signifi cant diff erences were obtained with an increase in plantarflexion of the first ray (p = 0.016); a percentage decrease in fi rst metatarsal head loading time (p = 0.036); and an increase in the percentage of the time interval in which their maximum pressure occurs (p = 0.008). Comparing both groups, signifi cant diff erences were found in dorsiflexion (p = 0.022) and plantarfl exion of the first ray (p = 0.027); and in the maximum pressure value of the entire stance phase (p = 0.031).
Conclusion: The subjects who performed the exercise program with elastic bands to strengthen the peroneus longus after four weeks, presented an increase in the plantarfl exion of the first ray, in the first metatarsal head pressure during the stance phase and in its maximum pressure in dynamics.
RESUMEN
Objetivos: Comprobar los cambios producidos en las presiones plantares del primer radio tras un programa de ejercicios de fortalecimiento del músculo peroneo largo.
Pacientes y métodos: En 24 sujetos con un primer radio dorsalfl exionado flexible, se valoró la dorsalflexión y plantarfl exión del primer radio, la extensión de la 1.ª articulación metatarsofalángica, la fuerza del peroneo largo, el FPI, y las presiones plantares de la cabeza del primer metatarsiano en dinámica. La muestra se dividió aleatoriamente en dos grupos. El grupo experimental realizó ejercicios para potenciar el peroneo largo con bandas elásticas durante 4 semanas.
Resultados: En el grupo de estudio se obtuvieron diferencias estadísticamente signifi cativas con un aumento en la plantarflexión del primer radio (p = 0.016), una disminución del porcentaje del tiempo de carga de la cabeza del primer metatarsiano (p = 0.036) y un aumento en el porcentaje del intervalo de tiempo en el que se produce su presión máxima (p = 0.008). Comparando ambos grupos, se encontraron diferencias significativas en la dorsalfl exión (p = 0.022) y plantarflexión del primer radio (p = 0.027) y en el valor máximo de presión de toda la fase de apoyo (p = 0.031).
Conclusiones: Los sujetos que realizaron el programa de ejercicios con bandas elásticas para potenciar el peroneo largo tras cuatro semanas presentaron un aumento del rango de movimiento de la plantarfl exión del primer radio, de la presión de la cabeza del primer metatarsiano durante la fase de apoyo y de su presión máxima en dinámica.
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