Psychometric Properties of a Smartphone Application for Measuring Shoulder Active Range of Motion in Individuals with and without Shoulder Pain and Mobility Deficits [Response to the Letter]

Aafreen Aafreen,1 Abdur Raheem Khan,2 Ausaf Ahmad,3 Yousef M Alshehre,1 Mohammed M Alshehri,4 Mohammad Abu Shaphe,4 Monira I Aldhahi5 1Department of Health Rehabilitation Sciences, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk, Saudi Arabia; 2Department of Physiotherapy, Integral University, Lucknow, India; 3Department of Community Medicine, Kalyan Singh Government Medical College Bulandshahr, Bulandshahr, UP, India; 4Physical Therapy department, College of Nursing and Health Sciences, Jazan University, Jazan, Saudi Arabia; 5Department of Rehabilitation Sciences, College of Health and Rehabilitation Sciences, Princess Nourah bint Abdulrahman University, Riyadh, Saudi ArabiaCorrespondence: Abdur Raheem Khan, Department of Physiotherapy, Integral University, Lucknow, India, Email [email protected]