sucesivas de corriente (voltaje) de polaridad opuesta. Este tipo auricular (FA) con energías y corrientes más bajas que las de los desfibriladores monofásicos. Electricidad, carga eléctrica y corriente electrica. Amperes (A, corriente (I), Volts ( V). y Ohms. Corriente Directa (monofásica). Corriente Alterna. Electrodiagnóstico: Cronaxia y Reobase Estado fibras nerviosas. Parametros neuromusculares de estimulación. Electromiografía de superficie.
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Previous article Next article. July Pages Bibliographical review of the currents and parameters more effective in the electroestimulation of the cuadriceps.
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Linares a corrieentes, K. Escalante aR La Touche a. This item has received. Show more Show less. Gifasicas is well known that electrical stimulation mantains and increases the quadriceps femoris muscle’s strength and allows the prevention of muscle atrophy and increases the muscle’s resistance and work capacity; the only problem is that there isn’t any review in this matter that determines which types of currents and parameters are preferential in muscle strengthening.
The objectives of this study were to determine the most effective types of currents for the strengthening of quadriceps femoris muscles and their respective parameters.
Of the different types of currents used by investigators for quadriceps femoris muscle’s strengthening, the biphasic currents and the Russian forms of electrical stimulation are the most effective ones.
In reference to pulse frequency, it seems that for biphasic currents and Russian forms of electrical stimulation a range of 40 to 70 Hz and 2, Hz, respectively, are the most effective ones for greater force production. The most effective pulse duration is at range of and ms. It is also reported the use of a 1: The electrodes are usually placed on the motor points of the quadriceps muscle, as well as it is common to use dynamometry for strength quantification and electromyographic biofeedback for monitoring maximum voluntary contraction.
Although electrical stimulation is an effective strengthening method, there is still controversy about the combination of this method with others that can allow more strength production; despite this reality, literature shows that electrical stimulation alternated with voluntary muscle contractions can in fact produce more muscle strength. Biphasic currents and the Russian forms of electrical stimulation are the most effective currents for quadriceps femoris muscle strengthening but, for them to be effective, they most generated the strongest muscle contraction with the lowest fatigue and discomfort possible.
Electrical stimulation; Muscle strength; Quadriceps. These are the options to access the full texts of the publication Fisioterapia. Subscriber If you already have your login data, please click here. From Monday to Friday from 9 a.
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