The present invention generally relates to boards for performing skiing such as downhill skis, cross-country skis, snowboards and the like, to a method of stiffening such boards, and a method of manufacturing such boards. More specifically, the present invention relates to a downhill ski comprising electronics for establishing optimal handling and performance characteristics. The board for performing skiing sports of the present invention generally comprises a longitudinally extending body having a longitudinal axis, at least one transducer laminated to the body and converting upon deformation of the body mechanical power to electrical power, and an electrical circuit connected across the transducer. The electrical circuit supplies power to the transducer, wherein all electrical power supplied to the transducer is derived from power extracted from the mechanical deformation, and the transducer converts the electrical power to mechanical power, wherein the mechanical power is adapted to actively stiffen the board.
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