The widespread use of mobile devices like smartphones recently has lead many to use them while sitting for long periods, and the strain of this on our bodies are well documented.
The authors developed an experimental chair that can be adjusted for dimension and angle. In this research, setting the chair at every seating styles from the Kohara and Terakado prototype chair, as well as a backless stool, we observed the test subjects both inputting into and reading their device, doing so in different sitting positions, and measured the physical load in each position in different seating styles.
