Efficacy of Extracorporeal Shockwave Therapy on Ultrasonography Changes of Upper Trapezius Myofascial Trigger Points in Patients With Non Specific Neck Pain

the patients will receive Extracorporeal Shockwave therapy sessions by 600 impulses with 1.6 bar pressure at a frequency of 8 Hz on site of the upper trapezius

the patients will receive Traditional physical therapy in the form of Integrated neuro-muscular inhibition technique + posture correction and scapular stabilization exercises.