As Arto has recently done some interesting blogs relating to bio-signal and pain monitoring and Nokia launching a phone Heart rate Monitor combo I thought its useful to discuss the extension of the work  Carlos and I have done using an Heart Rate Monitor  to provide mobile exergaming. In this research we experimented with four different user input controls to the game to try and find a balance between benefits to the heart and game play as shown in the following video.

The following figure shows Carlos heart rate for the four schemes presented in the video. Interesting although the third scheme (all actions triggered by a small physical jump) provides the greatest exertion its probably the hardest to play and the final scheme ( all physical movement control ) provides the best balance between exertion and game play.