Effect of Extracorporeal Shockwave Therapy on Gait Parameters in Patients With Planter Fascitis

Inclusion Criteria: * \- 52 female patient with chronic planter fasciitis. * Patient,s age will be (18 - 40) , all of them are diagnosed with planter fasciitis will be recruited for the study. * BMI will be (18 - 40 kg/m2). * Unilateral chronic planter fasciitis. * Symptoms of pf pain lasted more than 3 months. * Diagnosis of painful heel syndrome by clinical examination, with the following positive clinical signs: * Pain in the morning or after sitting a long time. * Local pain where the fascia attaches to the heel. * Increasing pain with extended walking or standing for more than 15 minutes. * History of 6 months of unsuccessful conservative treatment. * Therapy free period of at least 4 weeks before referral. Exclusion Criteria: Patients will exclude from this study if their pain due to: * Bilateral plantar fasciitis. * Dysfunction of foot or ankle (for example, instability). * Arthrosis or arthritis of the foot. * Infections or tumors of the lower extremity. * Neurological abnormalities, nerve entrapment (for example, tarsal tunnel syndrome). * Vascular abnormality (for example, severe varicosities, chronic ischemia). * Operative treatment of the heel spur. * Hemorrhagic disorders and anticoagulant therapy. * Pregnancy. * Diabetes. * Trauma. * previous surgery. * Inflammation disease. * Rheumatoid arthritis