Combined active and passive leg prosthesis system and a method for performing a movement with such a system

The invention relates to a of the active and passive form of artificial leg combination system, and (1) for carrying out the method of gait circulation with the artificial legs, wherein the artificial leg system (1) is used for lower limb according substitutes the human to part by through the artificial leg system (1) and/or the method for carrying out the gait circulation. The active driving unit is a artificial leg system (1) is provided at least one movable joint (2,3), and a movable with separable (4,4 ) and an of the drive unit (4,4) of separating tense and a movable shaft (2,3) and braking device.