Clinical Effects of Incobotulinum Toxin vs Corticosteroid in Plantar Fascitis

will be administered 2 ampoules (200 IU) of Incobotulinum toxin , injectable solution presentation 100 IU ampoule with powder diluted in 1 ml of 0.9% saline solution in a single application at 4 points, in addition to a therapeutic exercise program in the teaching service to later do it at home that will be done daily for 4 months (cryotherapy for 15 minutes on the plantar fascia, active mobilizations of the ankle and foot for 5 minutes, stretching exercises for the triceps surae and plantar fascia for 20 seconds, 3 repetitions, strengthening of intrinsic muscles of the foot).

2 ml of dexamethasone will be administered in an 8 mg/2 ml ampoule diluted in 2 ml of lidocaine injectable solution in a 50 ml bottle (20 mg/ml) in a single application at 1 point, in addition to a therapeutic exercise program in the teaching service to later do it at home that will be done daily for 4 months (cryotherapy for 15 minutes on the plantar fascia, active mobilizations of the ankle and foot for 5 minutes, stretching exercises for the triceps surae and plantar fascia for 20 seconds, 3 repetitions, strengthening of intrinsic muscles of the foot).