This research aims to apply the principles of ergonomics society to design a Chair that will meet consumer needs. Study on the process of evaluating the behavior of the students in the wrong seat or sitting for a long time to reconcile without changing other Rimini yabot which can lead to back pain, shoulder, and neck of the current study in the Chair and was evaluating the suitability of posture by how RU.LA (Rapid Upper Limb Assessment) study found that frustrating to use current classroom chairs. Researchers have figured out a new classroom chairs to be adjusted according to the needs of the users, are comfortable to use, based on the data measured in proportion to the body of a sample, and then to evaluate the suitability of a school Chair by the original method.
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