Indian Journal of Science and Technology
DOI: 10.17485/ijst/2015/v8i26/81892
Year: 2015, Volume: 8, Issue: 26, Pages: 1-8
Original Article
Jae Ho Yu, Eun Jeong Lee, Jin Seop Kim, Ji Heon Hong and Dong Yeop Lee*
Department of Physical Therapy, Sun Moon University, Korea; [email protected]
The aim of this study is to prove that the change of pelvic tilt angle and backrest pressure according to hip joint angle in healthy adult. Thirty healthy male and female adults consented to participate in this study. Subjects sat on the chair with 90°, 100° and 120° hip joint flexion while both the Pressure Sensors (PS) and Passive Makers (PM) were sticked to the subjects by an examiner. In difference between the distance values of the total axis (in distance between Superior Iliac Crest (SIC) and thigh) and the distance values of the total axis (in distance between Anterior Superior Iliac Spine (ASIS) and thigh), there was significant value (p<.01). And in difference between the thoracic pressure and the lumbar pressure, there was significant value (p<.001). Thus, in comparison with the subjects sitting down with a smaller hip joint angle, the subjects sitting down with the bigger hip joint angle can be exposed to danger complaining of low back pain.
Keywords: Back Pressure, Component, Hip Joint Angle, Pelvic Tilt, Sitting Posture
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