Virtual reality systems create interaction between users and virtual environment. There are several types of I / O control devices to achieve quality between user and system interaction. Current hand-held and armband devices detect the tension of the user’s muscles. The article compares the different types of muscle tension monitoring with different devices. At the end, the article evaluate individual devices and compare their performance in the future.

http://vrhandicap.kpi.fei.tuke.sk/downloads/articles/snimanie_tenz_svalov.pdf