a system for monitoring the quality of physical exercises for calculating speed, amplitude, frequency and burden of hands and feet, in the implementation of physical exercises. the system consists of a control unit (1), an ultrasonic transducer (2) and an interface for data transmission (3) covered by the data may be transferred to a computer or intelligent mobile device in which is stored, and, where appropriate, are analysed.Sistem za spremljanje kakovosti izvajanja telesnih vaj omogoča izračunavanje hitrosti, amplitude, frekvence in obremenjenosti rok in nog pri izvajanju telesnih vaj. Sistem je sestavljen iz kontrolne enote (1), ultrazvočnega tipala (2) in vmesnika za prenos podatkov (3) Zajeti podatki se lahko prenesejo v računalnik ali inteligentno mobilno napravo v kateri se shranijo in po potrebi analizirajo.