The airport chair comfort judgment?

by:OUHE     2020-05-23
Determine the airport chair comfort three methods: 1. Trunk straight or forward posture is very easy to cause fatigue. 2. Set appropriate backrest can reduce fatigue. 3. More than 90 degrees of back of a chair can prevent the rotation of the pelvis, increase the stability of posture and the sitting position is more close to the nature of state.
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