Plantar heel pain is one of the most commonly encountered problems of the feet in adults [1]. It accounts for nearly 11%-15% of all foot symptoms, The purpose of this study was to investigate the effectiveness of high intensity laser therapy combined with gluteus Maximus strengthening exercise on pain, thickness of plantar fascia, and function of the foot.

Inclusion Criteria:

• Unilateral plantar heel pain with or without calcaneal spur for more than 3 months.
• Tenderness at the insertion of the plantar fascia
• BMI index will be from 25 up to 30
• Patient will wear silicone insole .
• Diagnosis of PF based on orthopedic referral

Exclusion Criteria:

• Patients with presence of foot deformity,
• systemic inflammatory arthritis disease,
• foot surgery, or
• plantar heel pain due to trauma,
• wound, or infection in the foot,
• received oral corticosteroids

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