Efficacy Analysis in Long Term of Radiofrecuency Combined vs. T.E. in the Treatment of Patellofemoral Pain Syndrome.

EXPERIMENTAL GROUP: After the initial evaluation, the first 10 treatment sessions will be developed at the rate of five daily sessions in the first week, three sessions on alternate days in the second week and two sessions on alternate days in the third week (3 weeks in total), applying the monopolar capacitive diathermy with radiofrequency in the anterior aspect of the knee, in dynamic application in one of the members: affect or randomized (uni or bilateral pathology, respectively). This diathermy will be combined with a therapeutic exercise program supervised by a Physiotherapist.

CONTROL GROUP: will be provided exclusively therapeutic exercises protocol to develop in the home setting that you must perform following a daily activity for three weeks. They will be evaluated at the end of that period and six moths later in order to have at least three timepoints to evaluate.