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Prolonged physical exposure during smartphone usage results in poor posture causing pain in neck, shoulder, elbow, and hands. So, our aim was to investigate the effect of smartphone addiction on musculoskeletal pain. Methods This cross-sectional study was carried out by a random sampling method from recognized institute in Bangladesh and India. Three hundred twenty-six participants, including male and female, aged between 18 and 30 years participated in this study. Candidates were requested to fill-up a performa containing demographics, Smartphone addiction scale-short form (SAS-SF), Shoulder pain and disability index (SPADI), Neck disability index (NDI), Oxford elbow score (OEC), and Cornell Hand Discomfort Questionnaire (CHDQ). Results The mean age were 22.58 ± 3.19 years, weight 60 ± 11.30 kg, height 162.83 ± 9.74 cm, and body mass index (BMI) of the participants were 22.69 ± 4.36 kg/m 2 . 43.3% participants reported neck pain, 42.9% shoulder pain, and 27.9% reported pain on their elbow while prolonged smartphone use. There was major difference in NDI ( p  = 0.047), SPDI ( p  = 0.005), OES ( p  = 0.002), and CHDQ ( p  = &lt; 0.001) among Bangladeshi and Indian population. The SAS has a significant association with NDI;  p  &lt; 0.001, SPDI;  p  &lt; 0.001, OES;  p  &lt; 0.001, and CHDQ;  p  &lt; 0.001. Conclusion Smartphone addiction negatively impacted and positively related with the musculoskeletal pain in neck, shoulder, elbow, and hand. Care should be given towards the proper use of smartphone and increase public awareness regarding the negative consequences of this serious issue.

Smartphone addiction and its impact on musculoskeletal pain in neck, shoulder, elbow, and hand among college going students: a cross-sectional study