Investigating text neck syndrome and duration of mobile phone use, muscle activity, hand grip strength, posture, and disability

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dc.contributor.authorYasaci, Zeynal
dc.contributor.authorZirek, Emrah
dc.contributor.authorMustafaoglu, Rustem
dc.contributor.authorOzdincler, Arzu Razak
dc.date.accessioned2026-04-04T13:35:00Z
dc.date.available2026-04-04T13:35:00Z
dc.date.issued2026
dc.departmentİnönü Üniversitesi
dc.description.abstractNeck and shoulder musculoskeletal symptoms related to smartphone use are becoming increasingly prevalent, yet the underlying mechanisms including smartphone usage duration, muscle activity, hand grip strength, posture, and disability remain incompletely understood. This study examined the interaction between text-neck syndrome and factors such as smartphone usage duration, muscle activity, hand grip strength, posture, and disability. Forty participants (Text Neck group: n = 18; 14 females or Control group: n = 22; 15 females) underwent neuromuscular assessment. Surface electromyography measured bilateral muscle activity in the upper trapezius (UT) and abductor pollicis brevis (APB) muscles during smartphone use. Secondary outcomes included the Visual Analogue Scale (VAS) to assess pain intensity, hand grip strength, New York Posture Rating Scale (NYPRS), Neck Disability Index (NDI), and Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaire. The Text Neck group demonstrated significantly higher smartphone use (p < 0.001), higher texting time (p = 0.006), and lower muscle activation at activity in the dominant APB (p = 0.011), dominant UT (p < 0.001), and non-dominant UT (p = 0.008). These findings provide novel insights into how excessive smartphone use alters muscle function and postural alignment in individuals with text-neck syndrome. Understanding these mechanisms may inform targeted prevention and rehabilitation strategies to mitigate musculoskeletal risk associated with modern technology use.
dc.description.sponsorshipScientific Research Projects Unit (BAP) [33630]
dc.description.sponsorshipThis study was supported by Scientific Research Projects Unit (BAP, ID: 33630) of Istanbul University-Cerrahpasa.
dc.identifier.doi10.1016/j.jelekin.2026.103110
dc.identifier.issn1050-6411
dc.identifier.issn1873-5711
dc.identifier.pmid41633122
dc.identifier.scopus2-s2.0-105028948980
dc.identifier.scopusqualityQ2
dc.identifier.urihttps://doi.org/10.1016/j.jelekin.2026.103110
dc.identifier.urihttps://hdl.handle.net/11616/109544
dc.identifier.volume87
dc.identifier.wosWOS:001684423100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofJournal of Electromyography and Kinesiology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250329
dc.subjectSmartphones
dc.subjectElectromyography
dc.subjectNeck pain
dc.subjectPosture
dc.subjectDisability
dc.titleInvestigating text neck syndrome and duration of mobile phone use, muscle activity, hand grip strength, posture, and disability
dc.typeArticle

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