Tens Machine

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Tens machine 

Pulses generally refer to pulse-like short-duration electrical shocks (voltage or current) that are often used in electronics. The main features are waveform, amplitude, width and repetition frequency.




 A pulse is a signal that occurs in a short period of time relative to a continuous signal over the entire signal period, with no signal for the majority of the signal period.




Nerve pulse, correctly speaking, should be referred to as nerve im-pulse. When a certain part of the nerve is stimulated to a sufficient intensity, an action potential is generated at that part of the nerve, from which point the nerve fibers propagate in both directions.




Impulses have the same meaning as action potentials, but impulses are used when viewed as signals propagating along axons. According to the impulse of the primary site, in the central nerve from the central to the distal effects of the organ, in the nerve is from the peripheral receptors to the central conduction in one direction.




Its role is to contact the central and peripheral signals. Impulsive conduction speed can be due to whether the myelinated nerve fibers and thickness and other differences.




The conduction velocity of myelinated nerves is directly proportional to the diameter of the fibers and is expressed in mammals as fiber diameter (µm) × 6 m / s up to 120 m / s. The conduction velocity of unmyelinated nerves and the square root of diameter Proportional, usually below 2-3 m / s.