Postures, typing strategies, and gender differences in mobile device usage: An observational study

Gold, Judith E.; Driban, Jeffrey B.; Thomas, N.H.; Chakravarty, T.; Channell, V.; Komaroff, Eugene

doi:10.1016/j.apergo.2011.06.015

Cited by 126 publications

(82 citation statements)

References 16 publications

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“…Berolo et al 2) also pointed out that the use of smartphones was a potential risk factor that would threaten the health of the musculoskeletal system. Nevertheless, studies that have tested physical exposure related to the use of smartphones are lacking today 2,3,8) . Therefore, it is necessary to evaluate the physical changes that occur during the use of smartphones, in particular, during repeated movements of pressing the screen, and determine whether their use is a risk factor that could induce musculoskeletal system disorders 3) .…”

Section: Introductionmentioning

confidence: 99%

Effects of the Use of Smartphones on Pain and Muscle Fatigue in the Upper Extremity

Kim¹,

Ahn

Jeon

et al. 2012

J Phys Ther Sci

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Abstract.[Purpose] The purpose of this study was to investigate the effect of the use of smartphones on the upper extremity and determine whether there were differences in these changes between smartphone and computer use.[Subject] Forty healthy young adults (18 male, 25 female) took part in this study.[Methods] The pressure pain threshold measurement was assessed at the center of the upper trapezius of the dominant upper limb of the subjects. Electrodes were attached to the subjects in the two experiment groups, who then continuously performed a typing task on their own personal smartphone or computer keyboard for ten minutes.[Results] Regarding the pressure pain threshold of the upper trapezius, the smartphone and computer use groups showed significant decreases after performing the task compared with before it. Regarding muscle fatigue in the four monitored muscles, the smartphone and computer use groups showed deceases in median frequencies in all muscles measured after performing the tasks. The smartphone use group showed statistically significant differences in the brachioradialis, and the computer use group showed statistically significant differences in the upper trapezius when compared with the control group (p <0.05). [Conclusion] We found feasible relationships between smartphone use and musculoskeletal symptoms of the upper extremity and neck and identified physical differences between the smartphone use and computer use.

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Section: Introductionmentioning

confidence: 99%

Effects of the Use of Smartphones on Pain and Muscle Fatigue in the Upper Extremity

Kim¹,

Ahn

Jeon

et al. 2012

J Phys Ther Sci

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“…In the survey on the one-hand interaction, few researchers confirmed that people commonly use their thumb to interact with the touchscreen of mobile devices [2,3]. It seems reasonable since the use of the thumb in one-handed interaction was considered to be more effective than the use of stylus or index finger [6].…”

Section: Introductionmentioning

confidence: 99%

“…They use the mobile device while sitting, standing, and walking. Few studies found people grasp their mobile device in many postures, such as: single hand, two hands, and in cradle mode [1,2,3]. Another survey found people use their mobile device in a flat or tilt position on a table, especially if they are interacting with tablets [4].…”

Section: Introductionmentioning

confidence: 99%

Thumb Reach of Indonesian Young Adult When Interacting with Touchscreen of Single-Handed Device: A Preliminary Study

Umami

2018

J. Phys.: Conf. Ser.

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Abstract. This study is a preliminary survey on thumb reach of Indonesian population when interacting with single-handed device. This study was aimed to know the thumb reach envelope on the screen of mobile phone. The correlation between the thumb reach vs. the hand length and thumb length was also identified. Thirty young adults participated in the study. All participants had normal body stature and were right-handed person. In the observational phase, the participant was asked to colour the canvas area on the screen of the mobile phone by using his/her thumb. The participant had to complete the task by applying the single hand interaction. The participant should grab the mobile phone as he/she use it normally in his/ her daily activities. The thumb reach envelope of participants was identified from the coloured area of the canvas. The results of this study found that participants with a large hand length and thumb length tend to have a large thumb reach. The results of this study also show the thumb reach area of the participants is forming an elliptical shape that runs from the northeast to southwest on the device screen.

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“…In younger persons, these exposures may be of great importance due to their developing musculoskeletal structure, their growing tendency to use their mobile phones for short message service (sms) messaging and gaming, has resulted in their likelihood of getting more exposure to new technologies. 2 The global rapid adoption of text messaging has raised concerns that high volumes of these activities could lead to musculoskeletal disorders (msds). 3 there are growing number of case studies that have identified that, first carpometacarpal (cmc) arthritis, tendonitis and tenosynovitis has been developing among individuals sending a high volume of text message.…”

Section: Introduction:-mentioning

confidence: 99%

Influence of Smartphone Addiction on Grip and Pinch Strength in Collegiate Population – An Observational Study.

Motimath¹,

Luis²,

Chivate³

2017

IJAR

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Postures, typing strategies, and gender differences in mobile device usage: An observational study

Cited by 126 publications

References 16 publications

Effects of the Use of Smartphones on Pain and Muscle Fatigue in the Upper Extremity

Effects of the Use of Smartphones on Pain and Muscle Fatigue in the Upper Extremity

Thumb Reach of Indonesian Young Adult When Interacting with Touchscreen of Single-Handed Device: A Preliminary Study

Influence of Smartphone Addiction on Grip and Pinch Strength in Collegiate Population – An Observational Study.

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