We examine a relationship between tendon arrangement of a tendon driven system using pneumatic balloon and the output. There are two kinds of tendon driven systems are offered for this study. These systems have differential tendon arrangement. One of the system is generated high power, and other system is generated long displacement. The model of fall block can show these desired output characteristics. Displacement and force which are generated by these tendon driven systems are experimentally confirmed. Moreover, outputs of these tendon driven systems are compared, and the validity of the model of fall block is evaluated.