Questions tagged [electromuscular]

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Heart rate sensor electrodes to be used for blink detection (simple EOG)

I have a cheap ECG/HRV/heart rate sensor module for Arduino, bought from Aliexpress. It has 3 electrodes: RA, LA, RL, which I guess mean right arm, left arm, right leg. The module outputs one single ...
-2 votes
1 answer

Can a dead fish be made to twitch via electrostimulation?

Galvani in the 1700s famously showed that a dead frog can be made to twitch by electric stimulation. The hind legs are particularly susceptible. Salt helps in the activation, as shown in these videos: ...
3 votes
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Is the ACh receptor more permeable to sodium ions?

The AChR is permeable to sodium and potassium ions only and has a reversal potential of 0mV. However the Nernst potentials for sodium and potassium ions is ~ +60mV and -88mV respectively. Taking a ...
0 votes
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How strong of an electric field is dangerous to adult humans?

Given that "a potential difference is introduced over the membrane, the associated electric field induces a conformational strong in the potassium channel" is required for our muscles to move, how ...
1 vote
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How much Cardiomyocyte Move in Relation to its Neurons?

I am trying to estimate how much cardiomyocyte and its things (mitochondria) move in relation to neurons Movement of neurons (1) Movement of cardiomyocytes Movement of cardiomyocytes' mitochondrias (...
1 vote
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Relationship between body size and damage done by electricity

We all know that if a person gets stunned by a 2000 volt stun gun, he/she may be knocked unconscious, but he/she is still alive and apparently no damage done on his/her body. But what could happen if ...
1 vote
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How can hyperplasia occur in non-fetal hypokinesis?

I have read that the hypoplasia can occur in fetal hypertrophic cardiomyocytes. However, I am interested if this can be theoretically be possible in non-fetal cardiomyocytes which are hypokinetic. I ...