Muscle Energy Technique Versus Strain Counterstrain for Upper Trapezius Myofascial Pain Syndrome

This study will be conducted to examine the superiority of effectiveness between muscle energy technique combined with physical therapy, strain counterstrain combined with physical therapy, and physical therapy alone in terms of pain intensity, pain pressure threshold, cervical lateral flexion and rotation range of motion, and neck function for patients with upper trapezius myofascial trigger points.