ArticleJournal of physical therapy science2016
The effect of smartphone usage time on posture and respiratory function.
Article in Journal of physical therapy science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 4 registered trials, which are not on this map. Cited by 42 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Effects of Smartphone Usage Duration on Neck Dysfunction in Young Versus Middle Aged Patients With Chronic Mechanical Neck Pain
Comparative Effects of Proprioceptive Neuromuscular Facilitation Stretching and Stabilization Exercises of Upper Trapezius on Pain, Range of Motion and Functional Disability in Mobile Phone Users With Neck Pain
The Comparison of the Efficacy of Online Exercise Prescriptions Delivered Via the Fiziu Digital Physiotherapy Platform and Conventional Paper-Based Exercises in Individuals with Forward Head Posture
Does Smartphone Addiction Affect Cervical Spine Mobility, Head Posture, Body Awareness, and Pain Pressure Threshold?
Who cites it
42 citing papers in PubMed, 2 syntheses or guidelines pooled it, 185 citations in OpenAlex.
- Association between physical activity and body posture: a systematic review and meta-analysis.BMC public health · 2023Pooled it
- The associations of mobile touch screen device use with musculoskeletal symptoms and exposures: A systematic review.PloS one · 2017Pooled it
- Therapeutic routine with respiratory exercises improves posture, muscle activity, and respiratory pattern of patients with neck pain: a randomized controlled trial.Scientific reports · 2022Trial
- A Mobile Intervention for Self-Efficacious and Goal-Directed Smartphone Use in the General Population: Randomized Controlled Trial.JMIR mHealth and uHealth · 2021Trial
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- Acute changes in postural stability during Instagram Reels viewing using virtual reality-based posturography.Frontiers in behavioral neuroscience · 2026Article
- Smart devices, head posture, and malocclusion: is there a relationship? A prospective controlled study.BMC oral health · 2025Article
- Effects of smartphone use duration on postural balance in adolescents with intellectual disabilities.BMC pediatrics · 2025Article
- Assessing the prevalence of spinal deformities and their clinical effects in adolescent Egyptian males: a cross-sectional study.Journal of orthopaedic surgery and research · 2025Article
- The role of psychological flexibility and emotion regulation in the relationship between smartphone addiction and psychological wellbeing in adolescents: three-wave longitudinal serial mediation study.Health and quality of life outcomes · 2025Article
- Smartphone Usage Patterns and Sleep Behavior in Demographic Groups: Retrospective Observational Study.Journal of medical Internet research · 2025Observational
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- Body posture aftereffects-does viewing slouched bodies change people's perception of normal posture?Royal Society open science · 2025Article
- Neck stabilization exercise and dynamic neuromuscular stabilization reduce pain intensity, forward head angle and muscle activity of employees with chronic non-specific neck pain: A retrospective study.Journal of experimental orthopaedics · 2025Article
- Prevalence of spine pain among Tunisian children and adolescents and related factors.Pediatric rheumatology online journal · 2024Article
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- The impact of smartphone use duration and posture on the prevalence of hand pain among college students.BMC musculoskeletal disorders · 2024Article
- Relationship between Spinal Range of Motion and Functional Tests in University Students: The Role of Demographic Factors.Healthcare (Basel, Switzerland) · 2024Article
- Association between smartphone addiction and myofascial trigger points.BMC musculoskeletal disorders · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
[Purpose] The aim of this study was to evaluate the changes in posture and respiratory functions depending on the duration of smartphone usage. [Subjects and Methods] Participants were randomly allocated to 2 groups: group 1 (subjects who used smartphones for <4 hours/day, n=25) and group 2 (subjects who used smartphones for >4 hours/day, n=25). The craniovertebral angles of all participants were measured and scapular indices were calculated to assess the change in posture and forced vital capacity, forced expiratory volume in 1 second, the ratio of forced expiratory volume in 1 second to forced vital capacity, and peak expiratory flow were measured to assess changes in respiratory function. [Results] There were significant differences in the craniovertebral angle, scapular index, and peak expiratory flow depending on the duration of smartphone usage. [Conclusion] The result of this study showed that prolonged use of smartphones could negatively affect both, posture and respiratory function.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.