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Certainly traditional Chinese medicine prohibits this. And there was at least one modern study with acute sports injuries that implied ice could be in fact making things worse.

Ice to numb things, sure. ICE to reduce inflammation by inhibiting blood flow … ?

If you’re trying to make “gainz” then don’t ice according to this study [0]. If you’re trying to avoid muscle soreness and swelling however I don’t know. Anecdotally icing areas that I have previous or chronic issues with prevents flare-ups.

[0] https://physoc.onlinelibrary.wiley.com/doi/10.1113/JP278996

I apply heat to the muscles and ice to the base of the neck. Hope that helps.