Roma 24 November 2014

Smartphone: cervical stress due to bad postures

Table extracted from the study of Prof. Kenneth K. Kansraj.

In this interesting study produced by Prof . Kenneth K. Hansraj, MD ( Chief of Spine Surgery, New York Spine Surgery & Rehabilitation Medicine ) the load to which the part of the cervical spine is subjected while using a smartphone was measured and simulated .

The greater the inclination of the neck, the greater the weight.

It has been calculated that at a neck inclination of 60 ° forward ( typical of those who stop to look at the small screen for an extended period ) correspond to almost 30kg of load(!)

Furthermore, the average of the hours spent in positions potentially causing damage to the cervical portion, range from 700 a 1400 hours a year with peaks, for young people who touch the 5000 hours per year!

The only remedy is to keep the smartphone in such a position ( better if almost frontal ) without tilting the neck.

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