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A scalable silicon six-axis force-torque sensor is designed and realized to be used for measurement of the power transfer between the human body and the environment. Capacitive readout is used to detect all axial force components and all torque components simultaneously. Small electrode gaps in combination with mechanical amplification by the sensor structure result in a high sensitivity. The miniature sensor has a wide force range of up to 50 N in normal direction, 10 N in shear direction and 25 N-mm of maximum torque around each axis, and can easily be scaled to adapt for other force/torque ranges.