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Do you have a stiff neck? Your tablet could be cause

The tablets are sold as light and easily manageable, but its use is often accompanied by bending postures of the head and neck in comparison with classical computers, according to some experts.

The use of digital tablets may cause an increase in cases of stiff neck and other muscular pains caused by poor posture according to a study that strongly discourages use these devices by putting them on the knees.

Jack Dennerlein, an orthopedic surgeon and specialist in public health at Harvard, who led the study, noted that the devices raises “concerns about the development of pain in the neck and shoulders”.

The position of the tablet users can be improved through integrated media or placed on a table, which avoids having a too low viewing angle, as the study published says in the International Journal of Work: A Journal of Prevention, Assessment and Rehabilitation.

The researchers posed a series of tests to fifteen tactile tablets experienced users with an Apple iPad2 and Motorola Xoom. Each of the best seller tablets in the industry was equipped with a kit that allowed to adjust the viewing angle (angles between 15 and 73 degrees, and between 45 and 63 degrees each).

In these tests four configurations were tested: the use of the tablet on your knees without support, on your knees with support on a support table set to lower viewing angle, and on a table with the maximum angle of vision.

On each occasion, the researchers asked their guinea pigs and streams perform simple tasks (internet browsing, playing, responding to emails or watching a movie) and measured the position of your body and angle of view with the help of infrared sensors.

The bending of the head and neck varied considerably depending on configuration, but overall was higher than that observed in the use of a computer or laptop, the study said.

The only case in which the position is closer to “neutrality” was when the tablet was placed on a table and its support is up to the maximum, avoiding a viewing angle too low.

The study recommends to avoid using the tablet placed on the knees, at least when it comes to watching a movie. On the contrary, raise much the tablet to make use of the screen may have harmful effects.

The average weight of the head of an adult is between 4.5 and 5.5 kilograms. The ideal position is that you can draw a straight line between the ear, shoulder, hip, knee and ankle, and thanks to it the weight of the head is spread over the entire body.

But when you bend your neck forward to look at a screen, the head is out of this axis and the weight exerted on the body may be multiplied by four.

Read more about the present study: International Journal of Work: A Journal of Prevention, Assessment and Rehabilitation

More articles about the subject: http://tabtimes.com/news/ittech-stats-research/2012/01/25/report-tablet-users-may-suffer-neck-and-shoulder-pain

Image source: http://img2.timeinc.net/health/images/gallery/condition-centers/stiff-neck-400×400.jpg


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3 Comments on “Do you have a stiff neck? Your tablet could be cause”

  1. neck pain las vegas February 10, 2012 at 7:37 am #

    if you suffer neck problem then treat with neck pain las vegas

  2. Rosann Arreguin March 23, 2013 at 12:27 pm #

    Most episodes of neck pain are due to a muscle strain or other soft tissue sprain (ligaments, tendons). This type of injury can also be caused by a sudden force (whiplash). These types of neck pain often improve with time and with non-surgical care such as medications and chiropractic manipulation.

  3. Corinne Bevill November 25, 2014 at 1:12 am #

    Great information. Lucky me I came across your blog by chance (stumbleupon).
    I’ve saved it for later!

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