We don’t observance of 15 to 20 degree inclination in the desk surface and also seat. Non –observance of back angle of the desk may create a torso 110angle with the tight in users, and in addition to increasing muscular tension on shoulder and arm can create much pressure on hip flexion and lumber such a stress could make individual prone to bad back and reduce the pelvis angle and spend more energy of his body in upright position and causes more fatigue. . An adjustable angle between the seat and the backrest would appear favorable. Armrests are also recommended for certain activities. It is important that the chair can be adapted to the dimensions of the individual, and to the needs dictated by the surroundings [35].