Strengths and limitations
neck pain, neck-shoulder pain
DEGENERATION
The main strength of the current study was the investigation of comprehensive outcomes for both biomechanical and physiological aspects during extended duration of the tablet writing. However, this study also had limitations; 1. Neck and posture were observed only in the sagittal plane. However, participants seemed to frequently move the neck in the frontal and transverse planes as well. 2. All participants in the current study were healthy young adults; thus, the current finding cannot be applied to all tablet users. Further studies should observe neck posture in other planes to investigate asymmetrical posture which might increase risk of having neck pain. In addition, different groups of participants, such as older adults or participants with neck-shoulder pain, should be studied because degeneration [