WebMar 1, 2024 · An increased head flexion angle requires higher contraction forces of the neck extensor muscles in order to support the head in a more flexed position, ... Head flexion angle while using a smartphone. Ergonomics, 58 (2) (2015), pp. 220-226. CrossRef View in Scopus Google Scholar [36] WebJan 19, 2015 · It was found that participants maintained head flexion of 33–45° (50th percentile angle) from vertical when using the smartphone. The head flexion angle was …
Head flexion angle when web-browsing and texting using …
WebNov 20, 2024 · The main objective of this study was to measure and examine changes in the neck flexion angle while using a Smartphone according to posture and duration of … WebApr 2, 2024 · Eitivipart AC, Viriyarojanakul S, Redhead L. Musculoskeletal disorder and pain associated with smartphone use: A systematic review of biomechanical evidence. Hong Kong Physiother J. 2024 Dec;38(2):77-90. doi: 10.1142/S1013702518300010. Epub … comparer function
(PDF) Comparing the effect of the posture of using smartphones on head ...
WebThe findings from a recent study by Kim et al. would support this theory as the study assessed lumbar, thoracic, and cervical flexion during smartphone use while sitting and standing . While treating the cervical parameters as a single joint segment, the mean cervical flexion while sitting was measured to be only 22.06° and 28.25° while standing. WebAug 7, 2024 · INTRODUCTION. Excessive use of smartphones and display devices in modern societies have generated a variety of problems 1, 2), one of which is forward head posture (FHP), recognized as an excessive extension between the atlanto-occipital joint and superior cervical spine and elevated flexion between the inferior cervical spine and … WebDec 20, 2016 · Although smartphone users are known to make large head flexion to look down the smartphone while holding the phone with their hands, it has not yet been … compare riding lawn mowers 2018