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Amplitude: A fine tremor is very small or barely noticeable movement; a coarse tremor is a large movement. Tremors in between these two may be described as medium amplitude. Frequency: A slow tremor makes a motion at a few times per second. A rapid or fast tremor is around 12 Hz or faster.
Intention tremor is a dyskinetic disorder characterized by a broad, coarse, and low-frequency (below 5 Hz) tremor evident during deliberate and visually-guided movement (hence the name intention tremor). An intention tremor is usually perpendicular to the direction of movement.
A transcutaneous electrical nerve stimulation (TENS or TNS) is a device that produces mild electric current to stimulate the nerves for therapeutic purposes.TENS, by definition, covers the complete range of transcutaneously applied currents used for nerve excitation, but the term is often used with a more restrictive intent, namely, to describe the kind of pulses produced by portable ...
In rTMS the stimulation has a high amplitude (0.5–3 tesla), a low complexity and anatomical specificity is reached through a highly focal magnetic field. In tPEMF the stimulation has a low amplitude (0.01–500 millitesla), a high complexity and anatomical specificity is reached through the specific frequency content of the signal. [33]
Only with the addition of the weights was the peripheral tremor distinguishable from the central tremor. [27] The frequency of essential tremor is 4 to 12 Hz, depending on which body segment is affected. [28] Previously, it was 4 to 11 Hz according to the American Family Physician on Classification of Tremors and Treatment Update. [29]
Holmes tremor, first identified by Gordon Holmes in 1904, can be described as a wing-beating movement localized in the upper body that is caused by cerebellar damage. [1] Holmes tremor is a combination of rest, action, and postural tremors. Tremor frequency ranges from 2 to 5 Hertz and is aggravated with posture and movement. [1]
It has been demonstrated in essential tremor animal models that the food additive 1-octanol suppresses tremors induced by harmaline, and decreases the amplitude of essential tremor for about 90 minutes. [20] Two of the most valuable drug treatments for essential tremor are propranolol, a beta blocker, and primidone, an anticonvulsant ...
Physiologic tremor is a tremor or trembling of a limb or other body part. The recorded frequency is in the range of 8-12Hz. It occurs in normal individuals, especially when they are stressed by anxiety or fatigue. It is therefore common in sports such as rock-climbing where it is known by names such as Elvis leg or sewing machine leg. [1]