Research in accordance with the articles of the House should he would fair, m.d. The behavior of the arm perpendicular to the floor while working on the computer, the source of muscular arms kreng using these muscles may be repeated for a long time, kreng muscle causes fatigue and muscle will eventually go to the nearby include: trapezius, which affects the spinal accessory nerve nerves nerves neck part 3 and 4 in addition to the Sternocleidomastoid muscles cause a headache and neck area.
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