Effect of High Intensity Laser on Shoulder Impingement.

Treatment for shoulder impingement is conservative initially, Rehabilitation programs generally consist of exercise therapy and manual therapy that provide relief from symptoms of impingement. High-intensity laser therapy used recently and was found to be effective in the short term in the treatment of pain and disability in patients with impingement. This study aims to * Investigate the effect of high intensity power laser therapy on sonographic measurement in the adolescent suffering from shoulder impingement syndrome. * Investigate the effect of high intensity power laser therapy on pain in the adolescent suffering from shoulder impingement syndrome. * Investigate the effect of high intensity power laser therapy on shoulder function in the adolescent suffering from shoulder impingement syndrome. RESEARCH QUESTION: Does using high intensity power laser affects shoulder dysfunction in adolescent with shoulder impingement syndrome?