how can I do

can anyone help me how should i start with muscle fatigue analysis from the following data

[DGM]

I'm not at all familiar with BME stuff, but that sounds rather nonspecific.

Unless this task is something which is routine and well-defined enough to be obvious to those familiar with the subject matter, it's probably best to start with specific questions.

A start might be to get the data imported. This would give you a table.

Ta = readtable('Fatigue_A.txt');

or maybe it would be more convenient to process things as a matrix?

Ta = readmatrix('Fatigue_A.txt');

[Manav Divekar]

if i have to use this table to fast fourier transfer (fft) how can i do that?

[DGM]

Again, I don't know what's required in this context. I imagine you'll need some preprocessing.

https://www.mathworks.com/help/matlab/ref/fft.html

https://www.mathworks.com/matlabcentral/answers/362616-fft-of-emg-signal

https://www.mathworks.com/matlabcentral/fileexchange/46271-electromyographic-signal-analysis-tool-emgat2014

https://www.mathworks.com/matlabcentral/fileexchange/71514-emg-feature-extraction-toolbox

You might be able to do some stuff with sptool() or Signal Analyzer App.

Anyone more familiar with the topic is free to add an answer.