Glyceryl Trinitrate Gel Phonophoresis on Planter Fasciiatis

Inclusion Criteria: * Age between 18-44 years . * Patients BMI 18.5 to 24.9 kg / m2. * The diagnosis of PF appear clinically according to the history and physical - examination findings of point tenderness at or near the medial calcaneal insertion of the plantar fascia . * Diagnosis of plantar fasciitis, with plantar fascia of more than 4 mm thickness as evaluated by ultrasonography. * Painful symptoms lasting three months or more . Exclusion Criteria: * Diabetes mellitus, peripheral neuropathy, vasculitis and vasculopathy. * Any pathology in ankle/foot (instability, arthritis, malignancy, acute infection, and skin disorders) . * Pregnancy or lactation, coronary artery disease, hypertension, renal diseases and anemia . * Atrophy/ scar or skin ulcers at the site of intervention. * Patients with allergy to nitrates. * Heart pacemaker use . * Anticoagulant use and absence of coagulation disease.